1994 Opel Vectra Hatchback engine fastener tightening specifications

in your garage to make future searches easy.

Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline V6 2.5 L C 25 XE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


All Opel diesel straight-4 1.7 L 17 DR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines


C16NZ engine	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
C16NZ2 engine	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m


All Opel gasoline V6 2.5 L C 25 XE engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Opel gasoline straight-4 2.0 L X 20 XEV engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary drive belt tensioner


All Opel gasoline straight-4 1.6 L C 16 NZ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline V6 2.5 L C 25 XE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.6 L X 16 SZ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAir-conditioning compressor


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel gasoline straight-4 2.0 L C 20 XE engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAir-conditioning compressor bracket


2.0 i 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1994.6–1995.11)	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAlternator

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


M10	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


M10	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m
M8	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L X 20 XEV engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreGenerator bracket


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


Power steering pump bracket	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreServo pump pulley

expand_moreAll Opel gasoline V6 2.5 L C 25 XE engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreServo steering pump


All Opel diesel straight-4 1.7 L 17 DR engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


With ribbed V-belt	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


All Opel gasoline straight-4 1.6 L C 16 NZ engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Opel gasoline straight-4 1.6 L X 16 SZ engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Vacuum pump	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreCarburetion

expand_moreFuel-distributing pipe


2.0 i 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1994.6–1995.11)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


All Opel diesel straight-4 1.7 L 17 DR engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m

expand_moreInjection pump

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


M6	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection pump pulley


All Opel diesel straight-4 1.7 L 17 DR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreCharging


Turbo charger	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreCooling system

expand_moreCoolant pump


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel gasoline V6 2.5 L C 25 XE engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	30°30°30°


All Opel gasoline straight-4 1.6 L X 16 SZ engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Coolant pump pulley	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head screws

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines

Figure 1. Cylinder head, Cylinder head screws, Opel diesel straight-4 1.7 L 17 DR.


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	15°15°15°

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines

Figure 2. Cylinder head, Cylinder head screws, Opel diesel straight-4 1.7 L 17 DT (TC4EE1).


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws. See figure 2.
Second stage	60–75°60–75°60–75°
Third stage	60–75°60–75°60–75°

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines

expand_moreC16NZ engine

Figure 3. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.6 L C 16 NZ, C16NZ engine.


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 3.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	60°60°60°

expand_moreC16NZ2 engine


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll Opel gasoline straight-4 1.6 L X 16 SZ engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 3.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	60°60°60°

expand_moreAll other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	90°90°90°


Valve cover	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


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

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


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

expand_moreAll Opel gasoline straight-4 2.0 L 20 SEH 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 C 16 NZ engines

expand_moreC16NZ engine


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	30°30°30°

expand_moreC16NZ2 engine


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 2.0 L C 20 XE 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 gasoline V6 2.5 L C 25 XE 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 gasoline straight-4 2.0 L X 20 XEV 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 other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	30°30°30°

expand_moreCrankshaft central screws

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


First stage	106.95 lbf⋅ft106.95 lbf⋅ft145 N⋅m
Use new screw.
Second stage	30°30°30°
Third stage	10°10°10°


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L 20 SEH engines


First stage	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
Replace screws and nuts.
Second stage	40–50°40–50°40–50°

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines


With fan belt	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreWith ribbed V-belt


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


First stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Use new screw.
Second stage	40–50°40–50°40–50°

expand_moreAll Opel gasoline V6 2.5 L C 25 XE engines


First stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L X 16 SZ engines


With fan belt	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreWith ribbed V-belt


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°


All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L X 20 XEV engines

expand_moreM12


First stage	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
Use new screw.
Second stage	40-50

expand_moreM16


First stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Use new screw.
Second stage	40-50

expand_moreAll other modifications


First stage	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
Use new screw.
Second stage	40–50°40–50°40–50°

expand_moreCrankshaft pulley

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines


C16NZ2 engine	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


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

expand_moreFlywheel

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	30°30°30°
Third stage	5°5°5°

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws and nuts.
Second stage	45–60°45–60°45–60°

expand_moreAll Opel gasoline straight-4 2.0 L 20 SEH engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines

expand_moreC16NZ engine


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

expand_moreC16NZ2 engine


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws and nuts.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline V6 2.5 L C 25 XE engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws. Use screw-locking compound.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L X 16 SZ engines


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

expand_moreAll Opel gasoline straight-4 2.0 L X 20 XEV engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°


Flywheel cover	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreMain bearing

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


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


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Replace screws and nuts.
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Replace screws and nuts.

expand_moreAll other modifications


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_moreEngine control

expand_moreCamshaft drive belt deflection pulley


All Opel diesel straight-4 1.7 L 17 DR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Opel gasoline V6 2.5 L C 25 XE engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L X 20 XEV engines


Inlet camshaft	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Outlet camshaft	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All other modifications	56.05 lbf⋅ft56.05 lbf⋅ft76 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Opel gasoline straight-4 1.6 L 16 LZ2 engines


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

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


First stage	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	5°5°5°


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreAll Opel gasoline straight-4 1.8 L C 18 NZ engines


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

expand_moreAll Opel gasoline straight-4 2.0 L C 20 NE engines


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

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


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


All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Replace screws.

expand_moreInlet camshaft wheel

expand_more2.0 i 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1994.6–1995.11)


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

expand_moreOutlet camshaft wheel

expand_more2.0 i 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1994.6–1995.11)


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

expand_moreToothed belt guard


All Opel gasoline straight-4 1.6 L 16 LZ2 engines	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
All Opel diesel straight-4 1.7 L 17 DR engines	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
All Opel gasoline straight-4 2.0 L 20 SEH engines	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreToothed belt guard at the bottom


All Opel gasoline straight-4 2.0 L X 20 XEV engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt guard at the top


All Opel gasoline straight-4 2.0 L X 20 XEV engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt tensioning roller


All Opel gasoline straight-4 1.6 L 16 LZ2 engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L 17 DR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Opel gasoline straight-4 1.6 L X 16 SZ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt tightener

expand_moreEngine lubrication

expand_moreOil drain plug


All Opel gasoline straight-4 1.6 L 16 LZ2 engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 1.7 L 17 DR engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m
All Opel gasoline straight-4 1.8 L C 18 NZ engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel gasoline straight-4 2.0 L C 20 NE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m
All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


Oil filter	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Oil filter housing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Oil pump	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreOil sump


All Opel gasoline straight-4 1.6 L 16 LZ2 engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
All Opel diesel straight-4 1.7 L 17 DR engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Clean the thread and use screw-locking compound.
All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ engines


C16NZ engine	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.
C16NZ2 engine	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Clean the thread and use screw-locking compound.


All Opel gasoline straight-4 1.8 L C 18 NZ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
All Opel gasoline straight-4 2.0 L C 20 NE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
All Opel gasoline straight-4 1.6 L X 16 SZ engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Clean the thread and use screw-locking compound.

expand_moreEngine management

expand_moreCamshaft sensor


All Opel gasoline V6 2.5 L C 25 XE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 2.0 L X 20 XEV engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreCrankshaft sensor


All Opel gasoline straight-4 2.0 L C 20 XE engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Opel gasoline straight-4 2.0 L X 20 XEV engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


Glow plugs	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreKnock sensor


All Opel gasoline straight-4 2.0 L C 20 XE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel gasoline V6 2.5 L C 25 XE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel gasoline straight-4 2.0 L X 20 XEV engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreLambda sensor


All Opel gasoline V6 2.5 L C 25 XE engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use heat-resistant grease.

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


On the engine block	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


All other modifications	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreEngine mounting

expand_moreAll Opel diesel straight-4 1.7 L 17 DR engines


At the bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
On chassis	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
On the engine block	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


At the bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m


All Opel gasoline straight-4 1.6 L C 16 NZ engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L C 20 XE engines


At the bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
On chassis	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use screw-locking compound.


All Opel gasoline straight-4 1.6 L X 16 SZ engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreAll Opel gasoline straight-4 2.0 L X 20 XEV engines


On chassis	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.
On engine bracket	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws.

expand_moreAll other modifications


At the bracket	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
On chassis	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use screw-locking compound.

expand_moreExhaust system


Catalytic converter	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust manifold


All Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Opel gasoline V6 2.5 L C 25 XE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws and nuts.
All Opel diesel straight-4 1.7 L X 17 DT (TC4EE1) engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreExhaust pipe

expand_moreAll Opel diesel straight-4 1.7 L 17 DT (TC4EE1) engines


At the turbocharger	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m


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

expand_moreFuel supply


Fuel filter bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreIgnition system


Spark plugs	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreStart system

expand_moreStarter


All Opel gasoline straight-4 2.0 L C 20 XE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel gasoline straight-4 2.0 L X 20 XEV engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll other modifications


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1994 Opel Vectra Hatchback 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

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 Vectra Hatchback 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 1994 Opel Vectra Hatchback you're not only saving money, but also also improving your technical skills and learning something new.

1994 Opel Vectra Hatchback A2 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Vectra Hatchback A2 model years

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