1999 Vauxhall Astra Sedan engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.5)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.5)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
1.8 16V with gasoline straight-4 1.8 L 114 HP engine (1998.2–2004.7)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws and nuts.
1.8 16V with gasoline straight-4 1.8 L 123 HP engine (1998.2–2004.7)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screws or nuts
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreIntake manifold support


On intake manifold	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Support on cylinder head	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley

expand_moreAuxiliary drive belt tensioner


1.6 with gasoline straight-4 1.6 L 74 HP engine (1998.9–2000.9)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


Self-locking nuts	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


With air-conditioning	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


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

expand_moreGenerator bracket


1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreCarburetion

expand_moreHigh-pressure pump pulley

expand_moreInjection hoses


All Vauxhall diesel straight-4 1.7 L X 17 DTL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


All Vauxhall diesel straight-4 1.7 L X 17 DTL engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreAll other modifications


First stage	hand-screwed
Second stage	360°360°360°

expand_moreInjection pump pulley


All Vauxhall diesel straight-4 1.7 L X 17 DTL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCharging

expand_moreCharge air pipes

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


Clamps	2.58 lbf⋅ft2.58 lbf⋅ft3.5 N⋅m

expand_moreCooling system

expand_moreCoolant pump


1.6 with gasoline straight-4 1.6 L 74 HP engine (1998.9–2000.9)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
2.0 DTI 16V with diesel straight-4 2.0 L 99 HP at 4300 RPM, 205 N⋅m at 1600 RPM engine (1998.2–2004.7)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
2.0 DTI 16V with diesel straight-4 2.0 L 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM engine (1998.2–2004.7)	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head screws

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)

Figure 1. Cylinder head, Cylinder head screws, 1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9).


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	60°60°60°

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


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	45°45°45°
Fifth stage	Warm-up run
Sixth stage	30°30°30°
Seventh stage	15°15°15°

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


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	90°90°90°
Fifth stage	15°15°15°

expand_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)

expand_moreScrews 1 – 10

Figure 2. Cylinder head, Cylinder head screws, 2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7), Screws 1 – 10.


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 2.
Second stage	65°65°65°
Third stage	65°65°65°
Fourth stage	65°65°65°
Fifth stage	65°65°65°
Sixth stage	15°15°15°

expand_moreScrews 11 – 14


Seventh stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Eighth stage	30°30°30°
Ninth stage	5°5°5°

expand_moreAll other modifications

Figure 3. Cylinder head, Cylinder head screws, All 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°
Fifth stage	45°45°45°

expand_moreValve cover


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)

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_moreM6,5


First stage	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


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

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


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

expand_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)


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.
Second stage	30°30°30°

expand_moreCrankcase ventilation


Crankcase ventilation pipe	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new seals.

expand_moreCrankshaft central screws

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace screws.
Second stage	45°45°45°

expand_more1.6 with gasoline straight-4 1.6 L 74 HP engine (1998.9–2000.9)


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


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

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


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

expand_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll other modifications


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

expand_moreCrankshaft pulley


All Vauxhall gasoline straight-4 1.2 L X 12 XE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)


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

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


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_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


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_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll other modifications


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

expand_moreMain bearing

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)

expand_moreM6


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

expand_moreM8


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

expand_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreAll other modifications


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

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley

expand_moreAll other modifications


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

expand_moreCamshaft timing gear

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)


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


1.6 with gasoline straight-4 1.6 L 74 HP engine (1998.9–2000.9)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	5°5°5°

expand_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	30°30°30°

expand_moreAll other modifications


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

expand_moreChain tensioner


All Vauxhall gasoline straight-4 1.2 L X 12 XE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll other modifications


Cap	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreInlet camshaft wheel

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


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 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


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


Toothed belt guard	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt guard at the bottom


2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)	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


2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)	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


1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt tightener


Vauxhall gasoline straight-4 1.8 L Z 18 XE 117 HP	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug

expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.5)


Torx screws	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
With hexagon-head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.5)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
1.6 16V with gasoline straight-4 1.6 L 99 HP at 6000 RPM, 143 N⋅m at 4000 RPM engine (1998.9–2005.5)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
1.6 16V with gasoline straight-4 1.6 L 99 HP engine (1998.9–2005.5)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
1.6 16V with gasoline straight-4 1.6 L 99 HP engine (1998.9–2005.5)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
1.6 with gasoline straight-4 1.6 L 74 HP engine (1998.9–2000.9)	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)


One-part sump	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Two-part oil sump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP engine (1998.2–2004.7)


Torx screws	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
With hexagon-head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


Torx screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
With hexagon-head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


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

expand_moreOil filter housing

expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP engine (1998.2–2004.7)


Cap	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
On the engine block	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more2.0 DTI 16V with diesel straight-4 2.0 L 99 HP at 4300 RPM, 205 N⋅m at 1600 RPM engine (1998.2–2004.7)


X20DTH engine	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Y20DTH engine	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreOil sump

expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)


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_more1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.5)


At the gearbox	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)

expand_moreOil sump top part


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil sump lower part


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


One-part sump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP engine (1998.2–2004.7)


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
Clean the thread and use screw-locking compound.

expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Oil sump lower part	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Oil sump top part	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Clean the thread and use screw-locking compound.

expand_more2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.2–2004.7)

expand_moreAt the gearbox


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_more2.0 DTI 16V with diesel straight-4 2.0 L 99 HP at 4300 RPM, 205 N⋅m at 1600 RPM engine (1998.2–2004.7)

expand_moreX20DTH engine


Oil sump lower part	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Oil sump top part	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreY20DTH engine


On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAt the gearbox


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.

expand_moreEngine management

expand_moreCamshaft sensor


1.8 16V Dualfuel with gasoline straight-4 1.8 L 117 HP engine (1998.2–2004.7)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
1.8 16V with gasoline straight-4 1.8 L 123 HP engine (1998.2–2004.7)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreGlow plugs


All Vauxhall diesel straight-4 1.7 L X 17 DTL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreKnock sensor


1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.5)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
1.6 16V with gasoline straight-4 1.6 L 99 HP at 6000 RPM, 143 N⋅m at 4000 RPM engine (1998.9–2005.5)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
1.6 16V with gasoline straight-4 1.6 L 99 HP engine (1998.9–2005.5)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
1.6 16V with gasoline straight-4 1.6 L 99 HP engine (1998.9–2005.5)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
1.6 with gasoline straight-4 1.6 L 74 HP engine (1998.9–2000.9)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.5)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


1.2 16V with gasoline straight-4 1.2 L 64 HP engine (1998.9–2000.9)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use assembly paste
1.8 16V with gasoline straight-4 1.8 L 123 HP engine (1998.2–2004.7)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreEngine mounting

expand_moreAll other modifications


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_moreExhaust system

expand_moreExhaust manifold

expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.5)


X14XE engine	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.
Z14XE engine	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace screws and nuts.


1.8 16V with gasoline straight-4 1.8 L 114 HP engine (1998.2–2004.7)	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m
Replace screws and nuts.
1.8 16V with gasoline straight-4 1.8 L 123 HP engine (1998.2–2004.7)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace screws and nuts.
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreIgnition system

expand_moreSpark plugs


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

expand_moreStart system


Starter	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1999 Vauxhall Astra Sedan 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 Vauxhall 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 Vauxhall Astra Sedan 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 1999 Vauxhall Astra Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1999 Vauxhall Astra Sedan Fourth generation (MK4) Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Vauxhall Astra Sedan Fourth generation (MK4) model years

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