2012 Opel Astra GTC engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Opel gasoline straight-4 1.6 L A 16 XHT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tighten screws from the inside outwards.
All Opel diesel straight-4 1.7 L A 17 DTC engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTF engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTS engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.6 L B 16 SHL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tighten screws from the inside outwards.
All Opel gasoline straight-4 2.0 L B 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreIntake manifold support


All Opel diesel straight-4 1.7 L A 17 DTC engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


All Opel gasoline straight-4 2.0 L A 20 NFT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAuxiliary drive belt tensioner

expand_moreAll Opel gasoline straight-4 1.4 L A 14 NET engines


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All Opel diesel straight-4 1.7 L A 17 DTC engines	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAir-conditioning compressor


At the bracket	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAir-conditioning compressor bracket

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m


All Opel diesel straight-4 2.0 L A 20 DTH engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAir-conditioning compressor pressure line


All Opel diesel straight-4 2.0 L A 20 DTH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAlternator

expand_moreAll Opel gasoline straight-4 1.4 L A 14 NEL engines


On the engine block	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m


All Opel gasoline straight-4 1.4 L A 14 NET engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All Opel gasoline straight-4 1.4 L A 14 XER engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All Opel gasoline straight-4 1.6 L A 16 LET engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


M10	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All Opel gasoline straight-4 1.8 L A 18 XER engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Alternator pulley	59 lbf⋅ft59 lbf⋅ft80 N⋅m

expand_moreGenerator bracket

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


M10	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m
M14	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m


All Opel diesel straight-4 2.0 L A 20 DTH engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreHydraulic lines at the servo-steering pump


Banjo screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Servo steering pump	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreVacuum pump


All Opel diesel straight-4 1.7 L A 17 DTC engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	50°50°50°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	50°50°50°


All Opel gasoline straight-4 2.0 L A 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCarburetion


Exhaust gas return cooler	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Exhaust gas return valve	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Exhaust recirculation pipe	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreFuel-distributing pipe

Figure 1. Carburetion, Fuel-distributing pipe.


All Opel gasoline straight-4 1.6 L A 16 XHT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
See figure 1.
All Opel diesel straight-4 1.7 L A 17 DTC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

All Opel gasoline straight-4 1.6 L B 16 SHL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
See figure 1.
All other modifications	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreHigh-pressure line


All Opel diesel straight-4 1.7 L A 17 DTC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


M12	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M14	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAll other modifications


Union nuts	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreHigh-pressure pump


All Opel diesel straight-4 1.7 L A 17 DTC engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


M10	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All other modifications	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Screws need to be loosened or tightened in steps of 180°.

expand_moreHigh-pressure pump pulley


All Opel diesel straight-4 2.0 L A 20 DTH engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m

expand_moreInjection hoses


All Opel diesel straight-4 1.7 L A 17 DTC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


M12	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M14	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Second stage	Loosen screw(s).
Third stage	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


Nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Opel diesel straight-4 2.0 L A 20 DTR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.

expand_moreCharging

expand_moreTurbo charger

expand_moreAll Opel gasoline straight-4 1.4 L A 14 NEL engines

expand_moreAt the cylinder head

Figure 2. Charging, Turbo charger, Opel gasoline straight-4 1.4 L A 14 NEL, At the cylinder head.


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 2.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
Replace nuts.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


At the cylinder head	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
tighten gradually cross-wise

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace nuts.
Second stage	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines

expand_moreOn exhaust manifold


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Second stage	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines

expand_moreOn exhaust manifold


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications


First stage	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Second stage	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m


Turbocharger bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreTurbocharger coolant feed line

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


Banjo screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


Banjo screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreTurbocharger coolant return line

expand_moreAll other modifications


Pressure tube connection	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreTurbocharger oil feed line

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


Pressure tube connection	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


Banjo screws	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


Banjo screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll other modifications


Banjo screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreTurbocharger oil return line


All Opel gasoline straight-4 1.6 L A 16 XHT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


At the turbocharger	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Opel gasoline straight-4 1.6 L B 16 SHL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCooling system


Coolant drain plug	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCoolant pump


All Opel gasoline straight-4 1.6 L A 16 LET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.6 L A 16 XHT engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTC engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Opel gasoline straight-4 1.6 L B 16 SHL engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll other modifications

expand_moreScrews 1

Figure 3. Cooling system, Coolant pump, All other modifications, Screws 1.


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 3.

expand_moreScrews 2

Figure 4. Cooling system, Coolant pump, All other modifications, Screws 2.


Second stage	30°30°30°
See figure 4.

expand_moreCoolant pump pulley


All Opel gasoline straight-4 1.6 L A 16 LET engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel gasoline straight-4 1.6 L A 16 XHT engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTC engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Recut the thread and use screw-locking compound.
All Opel gasoline straight-4 1.6 L B 16 SHL engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Coolant pump drive wheel	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Fan wheel	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Radiator mounting	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines

expand_moreScrews 1 – 8


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Note correct order of tensioning.

expand_moreScrews 9 – 12


Second stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
Third stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


All Opel gasoline straight-4 1.6 L A 16 XHT engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines

expand_moreAt the cylinder head

Figure 5. Cylinder head, Camshaft bearing, Opel diesel straight-4 1.7 L A 17 DTJ, At the cylinder head.


Bearing casing	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Note correct order of tensioning. See figure 5.

Figure 6. Cylinder head, Camshaft bearing, Opel diesel straight-4 1.7 L A 17 DTJ.


Bearing cap	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Note correct order of tensioning. See figure 6.


All Opel gasoline straight-4 2.0 L A 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel gasoline straight-4 1.6 L B 16 SHL engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head screws

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines

Figure 7. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.6 L A 16 LET.


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 7.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	45°45°45°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 7.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	15°15°15°

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines

expand_moreFirst stage
See figure 7.


First step	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second step	90°90°90°

expand_moreSecond stage


First step	90°90°90°
Second step	90°90°90°


Third stage	45°45°45°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines

expand_moreRibe CV screws

Figure 8. Cylinder head, Cylinder head screws, Opel diesel straight-4 2.0 L A 20 DTH, Ribe CV screws.


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws. See figure 8.
Second stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreTorx screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screws See figure 8.
Second stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	90°90°90°
Sixth stage	90°90°90°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines

expand_moreRibe screws

Figure 9. Cylinder head, Cylinder head screws, Opel diesel straight-4 2.0 L A 20 DTR, Ribe screws.


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws. See figure 9.
Second stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreTorx screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws. See figure 9.
Second stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	90°90°90°
Sixth stage	90°90°90°

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	155°155°155°

expand_moreAt the cylinder head


Front	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications

Figure 10. Cylinder head, Cylinder head screws, All other modifications.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. See figure 10.
Second stage	180°180°180°

expand_moreValve cover


All Opel gasoline straight-4 1.4 L A 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 11.

All Opel gasoline straight-4 1.4 L A 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 11.

All Opel gasoline straight-4 1.4 L A 14 XER engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 11.

All Opel gasoline straight-4 1.6 L A 16 LET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 11.

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines

Figure 12. Cylinder head, Valve cover, Opel diesel straight-4 2.0 L A 20 DTH.


Bearing casing	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Note correct order of tensioning. See figure 12.


All Opel gasoline straight-4 1.4 L B 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 13.

All Opel gasoline straight-4 1.4 L B 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 13.
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Note correct order of tensioning.

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Second stage	100°100°100°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Second stage	60°60°60°

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	100°100°100°

expand_moreAll other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreCrankshaft central screws

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


First stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Replace screws.
Second stage	60°60°60°


All Opel diesel straight-4 1.7 L A 17 DTC engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	250.77 lbf⋅ft250.77 lbf⋅ft340 N⋅m
Use new screw. (left-hand thread)
All Opel diesel straight-4 2.0 L A 20 DTR engines	250.77 lbf⋅ft250.77 lbf⋅ft340 N⋅m
Left-hand thread

expand_moreAll other modifications


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreCrankshaft pulley


All Opel diesel straight-4 2.0 L A 20 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Second stage	100°100°100°


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreDrive plate


All Opel gasoline straight-4 1.6 L A 16 LET engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Replace screws.

expand_moreAll other modifications


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°


Engine block closure screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreFlywheel

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	60°60°60°
Tighten cross-wise.

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


First stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°


All Opel diesel straight-4 2.0 L A 20 DTH engines	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Replace screws.
All Opel diesel straight-4 2.0 L A 20 DTR engines	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Replace screws.

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	39.09 lbf⋅ft39.09 lbf⋅ft53 N⋅m
Second stage	25°25°25°

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreMain bearing

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines

expand_moreM10


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	120°120°120°
Third stage	15°15°15°

expand_moreM8


Fourth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


First stage	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	100°100°100°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Second stage	100°100°100°

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	70°70°70°
Outside	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications

expand_moreM6


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreM8


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreVibration damper

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Second stage	45°45°45°
Third stage	15°15°15°


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine control

expand_moreBalance shaft timing chain guide rail


Right	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Top	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m


Balance shaft timing chain tension rail	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreBottom part of the control unit housing


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCamshaft adjuster

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	150°150°150°
Third stage	15°15°15°

expand_moreAll other modifications


Camshaft adjuster valve	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCamshaft drive belt deflection pulley

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	120°120°120°
Third stage	15°15°15°


All Opel diesel straight-4 2.0 L A 20 DTH engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	59 lbf⋅ft59 lbf⋅ft80 N⋅m

expand_moreCamshaft timing gear


All Opel diesel straight-4 2.0 L A 20 DTH engines	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m

expand_moreAll other modifications


M12	81.87 lbf⋅ft81.87 lbf⋅ft111 N⋅m

expand_moreControl drive chain guide rail


All Opel gasoline straight-4 1.4 L A 14 XER engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreControl drive chain tensioner


All Opel gasoline straight-4 1.4 L A 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 XER engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreControl drive chain tensioning rail


All Opel gasoline straight-4 1.6 L A 16 XHT engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel gasoline straight-4 1.6 L B 16 SHL engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Control drive sprocket wheel	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreControl drive timing chain slip rail


All Opel gasoline straight-4 1.6 L A 16 XHT engines	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel gasoline straight-4 1.6 L B 16 SHL engines	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreDrive belt tensioner device

expand_more1.8 with gasoline straight-4 1.8 L 138 HP engine (2011.10–)

expand_moreFirst stage


First step	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second step	120°120°120°


Second stage	15°15°15°


Drive chain balance shaft tensioner	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreInlet camshaft wheel

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
Second stage	120–135°120–135°120–135°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	55°55°55°

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	100°100°100°

expand_moreAll other modifications


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreOil pump drive chain tensioner


Bottom	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Top	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOutlet camshaft wheel

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
Second stage	120–135°120–135°120–135°

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	55°55°55°

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	100°100°100°

expand_moreAll other modifications


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreTiming case cover


M10	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreToothed belt guard


All Opel gasoline straight-4 1.8 L A 18 XER engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt guard at the bottom


All Opel gasoline straight-4 1.6 L A 16 LET engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt guard at the top


All Opel gasoline straight-4 1.6 L A 16 LET engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTF engines


Long screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Short screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Opel gasoline straight-4 1.8 L A 18 XER engines	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt tensioning roller

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	120°120°120°
Third stage	15°15°15°


All Opel diesel straight-4 2.0 L A 20 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m

expand_moreTop part of control unit housing

expand_moreAll other modifications


M10	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


All Opel gasoline straight-4 1.6 L A 16 LET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOil drain plug


All Opel diesel straight-4 1.7 L A 17 DTC engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.
All Opel diesel straight-4 1.7 L A 17 DTE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.
All Opel diesel straight-4 1.7 L A 17 DTJ engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.
All Opel diesel straight-4 2.0 L A 20 DTH engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.
All Opel diesel straight-4 2.0 L A 20 DTR engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Replace sealing rings.


Oil filter	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil filter housing

expand_moreAll Opel gasoline straight-4 1.4 L A 14 NEL engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
On the engine block	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Opel gasoline straight-4 1.4 L A 14 XER engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOn the engine block


Banjo screws	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
M10 screws	33.93 lbf⋅ft33.93 lbf⋅ft46 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
On the engine block	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


All Opel diesel straight-4 2.0 L A 20 DTR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAll other modifications


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
On the engine block	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace sealing rings.

expand_moreOil pressure sensor


All other modifications	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreOil pump


All Opel gasoline straight-4 1.4 L A 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 XER engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOil pump chain wheel

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	Wait 60 seconds.
Third stage	Unscrew nut(s).
Fourth stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreOil sump

expand_moreAll Opel gasoline straight-4 1.4 L A 14 XER engines


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


At the gearbox	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Opel gasoline straight-4 1.8 L A 18 XER engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreOn the engine block


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreWith automatic gearbox


At the gearbox	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m

expand_moreWith manual transmission


At the gearbox	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreAll other modifications


On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreWith automatic gearbox


At the gearbox	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m

expand_moreWith manual transmission


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor


All Opel gasoline straight-4 1.4 L A 14 NEL engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 1.4 L A 14 NET engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 1.4 L A 14 XER engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 1.6 L A 16 LET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NEL engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreCrankshaft sensor


All Opel gasoline straight-4 1.4 L A 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 XER engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.6 L A 16 LET engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	3.32 lbf⋅ft3.32 lbf⋅ft4.5 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Exhaust gas temperature sensor	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreGlow plugs

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


With combustion chamber pressure sensor	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Without combustion chamber pressure sensor	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines

expand_moreM12


With pressure sensor	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m


M9	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All other modifications	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreKnock sensor


All Opel gasoline straight-4 1.6 L A 16 XHT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.6 L B 16 SHL engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


All Opel diesel straight-4 1.7 L A 17 DTC engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTH engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 2.0 L A 20 DTR engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All other modifications	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


On the engine block	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m


All Opel diesel straight-4 1.7 L A 17 DTC engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTF engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTS engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines

expand_moreOn the engine block


M10	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


M10	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	45–60°45–60°45–60°

expand_moreEngine mounting

expand_moreAll Opel gasoline straight-4 1.6 L A 16 LET engines


On chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m

expand_moreOn engine bracket


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60–75°60–75°60–75°

expand_moreAll Opel gasoline straight-4 1.6 L A 16 XHT engines


On chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m

expand_moreOn engine bracket


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60–75°60–75°60–75°

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTF engines


Nuts on the chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m
Screws on the chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m

expand_moreScrews on the engine bracket


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	65°65°65°

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


On chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m

expand_moreOn engine bracket


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	60–70°60–70°60–70°

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	60–75°60–75°60–75°

expand_moreAll other modifications


On chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m

expand_moreOn engine bracket


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60–70°60–70°60–70°

expand_moreEngine suspension

expand_moreAt the bearing pedestal


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	60–75°60–75°60–75°


On chassis	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m
On the engine block	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m


Subframe	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m

expand_moreTorque arm

expand_moreAt the subframe


Front	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Rear	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m

expand_moreAt the gearbox


Front	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreOnto torque support bracket


Rear	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreTorque support bracket

expand_moreAt the gearbox


Rear	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter


All Opel gasoline straight-4 1.4 L A 14 XER engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel gasoline straight-4 1.6 L A 16 XHT engines	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
Replace nuts.

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTF engines


At the turbocharger	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Heat shields	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreSupport


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


At the turbocharger	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


At the cylinder head	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Opel diesel straight-4 2.0 L A 20 DTH engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


At the turbocharger	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Nuts	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Screws	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


All Opel gasoline straight-4 1.6 L B 16 SHL engines	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
Replace nuts.
All other modifications	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreCatalytic converter bracket


All Opel gasoline straight-4 1.6 L A 16 LET engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTH engines


M10	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreDiesel particulate filter


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace nuts.
Second stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust manifold


All Opel diesel straight-4 1.7 L A 17 DTC engines	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m
All Opel diesel straight-4 1.7 L A 17 DTE engines	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTF engines


Heat shields	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m


All Opel diesel straight-4 1.7 L A 17 DTJ engines	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m
All Opel gasoline straight-4 1.8 L A 18 XER engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.

expand_moreAll Opel diesel straight-4 2.0 L A 20 DTR engines


At the cylinder head	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


First stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Second stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust manifold heat shields


All Opel gasoline straight-4 1.4 L A 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L A 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreExhaust pipe


All Opel gasoline straight-4 1.6 L A 16 LET engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines


At the middle silencer	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
On catalytic converter	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All Opel diesel straight-4 2.0 L A 20 DTH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines


At the middle silencer	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
On catalytic converter	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m


All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreExhaust pipe bracket

expand_moreAll Opel gasoline straight-4 1.8 L A 18 XER engines

expand_moreM10 screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	30–45°30–45°30–45°


M8 screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Nuts	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L A 20 NFT engines

expand_moreM10 screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	30–45°30–45°30–45°


M8 screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Nuts	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Exhaust pipe rear	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Particle filter bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Particulate filter heat protection plate	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Opel gasoline straight-4 2.0 L A 20 NFT engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreStart system

expand_moreStarter


All Opel gasoline straight-4 1.4 L A 14 NEL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.4 L A 14 NET engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.4 L A 14 XER engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.6 L A 16 LET engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L A 17 DTJ engines


Screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Stud screws	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m


All Opel gasoline straight-4 1.8 L A 18 XER engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L A 20 NFT engines	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NEL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.4 L B 14 NET engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.0 L B 20 NFT engines	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2012 Opel Astra GTC user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Opel warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Chassis and Body Fastener Tightening Specifications
Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Opel Astra GTC service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2012 Opel Astra GTC you're not only saving money, but also also improving your technical skills and learning something new.

2012 Opel Astra GTC J Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Astra GTC J model years

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