1989 Opel Vectra Sedan engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner

expand_more1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)


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


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

expand_moreAuxiliary drive belt tensioner


1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 125 N⋅m at 3200 RPM engine (1988.9–1995.11)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAir-conditioning compressor


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


Air-conditioning compressor bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAlternator

expand_moreAll Opel diesel straight-4 1.7 L 17 D engines


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

expand_moreAll Opel gasoline straight-4 1.4 L 14 NV engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

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


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


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


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

expand_moreServo steering pump


All Opel gasoline straight-4 1.4 L 14 NV engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Opel gasoline straight-4 1.6 L 16 SV engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Opel diesel straight-4 1.7 L 17 D engines	14.75 lbf⋅ft14.75 lbf⋅ft20 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 E 16 NZ 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


Fuel-distributing pipe	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 other modifications	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreInjection pump

expand_moreAll Opel diesel straight-4 1.7 L 17 D engines


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

expand_moreInjection pump pulley


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

expand_moreCharging


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

expand_moreCooling system

expand_moreCoolant pump


1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_more1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)


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


1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)	5.9 lbf⋅ft5.9 lbf⋅ft8 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

expand_more2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)


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

expand_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	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 gasoline straight-4 1.4 L 14 NV engines

Figure 1. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.4 L 14 NV.


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_moreAll Opel gasoline straight-4 1.6 L 16 SV engines


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_moreAll Opel diesel straight-4 1.7 L 17 D engines


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°

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

expand_moreC16NZ engine


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_moreC16NZ2 engine


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°

expand_moreAll other modifications


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°


Valve cover	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_more1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)


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

expand_more1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)


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_more1.8 S 4x4 with gasoline straight-4 1.8 L 87 HP at 5400 RPM, 143 N⋅m at 3000 RPM engine (1989.1–1989.7)


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_more1.8 S with gasoline straight-4 1.8 L 87 HP at 5400 RPM, 143 N⋅m at 3000 RPM engine (1988.9–1989.7)


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_more1.8 S with gasoline straight-4 1.8 L 89 HP engine (1989.9–1990.10)


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_more2.0 i 4x4 with gasoline straight-4 2.0 L 127 HP engine (1989.1–1992.9)


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 i with gasoline straight-4 2.0 L 127 HP engine (1988.9–1992.9)


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 with gasoline straight-4 2.0 L 99 HP engine (1988.9–1989.9)


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

expand_more2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)


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

expand_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


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_more1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)


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_more1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)


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_more1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)


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_more1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)


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

expand_more2.0 i 4x4 with gasoline straight-4 2.0 L 127 HP engine (1989.1–1992.9)


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

expand_more2.0 with gasoline straight-4 2.0 L 99 HP engine (1988.9–1989.9)


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

expand_more2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)


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

expand_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


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


Crankshaft pulley	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_more1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)


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

expand_more1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)

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_more1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)


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

expand_more1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)


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

expand_more1.8 S 4x4 with gasoline straight-4 1.8 L 87 HP at 5400 RPM, 143 N⋅m at 3000 RPM engine (1989.1–1989.7)


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_more1.8 S with gasoline straight-4 1.8 L 87 HP at 5400 RPM, 143 N⋅m at 3000 RPM engine (1988.9–1989.7)


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_more1.8 S with gasoline straight-4 1.8 L 89 HP engine (1989.9–1990.10)


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 i 4x4 with gasoline straight-4 2.0 L 127 HP engine (1989.1–1992.9)


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

expand_more2.0 i with gasoline straight-4 2.0 L 127 HP engine (1988.9–1992.9)


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

expand_more2.0 with gasoline straight-4 2.0 L 99 HP engine (1988.9–1989.9)


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

expand_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


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 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_moreOpel gasoline straight-4 1.6 L E 16 NZ 74 HP


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	45–60°45–60°45–60°

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

expand_more2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)


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

expand_moreCamshaft timing gear

expand_more1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)


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

expand_more2.0 i 4x4 CAT with gasoline straight-4 2.0 L 114 HP at 5400 RPM, 170 N⋅m at 2600 RPM engine (1989.1–1995.11)


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_more2.0 i 4x4 with gasoline straight-4 2.0 L 114 HP at 5200 RPM, 175 N⋅m at 3000 RPM engine (1989.1–1990.10)


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_more2.0 i CAT with gasoline straight-4 2.0 L 114 HP at 5400 RPM, 170 N⋅m at 2600 RPM engine (1988.9–1995.11)


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_more2.0 i with gasoline straight-4 2.0 L 114 HP at 5200 RPM, 175 N⋅m at 3000 RPM engine (1988.9–1990.10)


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_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


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°


All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Replace screws.

expand_moreInlet camshaft wheel


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


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


1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
1.8 S 4x4 with gasoline straight-4 1.8 L 87 HP at 5400 RPM, 143 N⋅m at 3000 RPM engine (1989.1–1989.7)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
1.8 S with gasoline straight-4 1.8 L 87 HP at 5400 RPM, 143 N⋅m at 3000 RPM engine (1988.9–1989.7)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
1.8 S with gasoline straight-4 1.8 L 89 HP engine (1989.9–1990.10)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
2.0 i 4x4 with gasoline straight-4 2.0 L 127 HP engine (1989.1–1992.9)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
2.0 i with gasoline straight-4 2.0 L 127 HP engine (1988.9–1992.9)	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
2.0 with gasoline straight-4 2.0 L 99 HP engine (1988.9–1989.9)	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 other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt guard at the top


All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt tensioning roller


1.6 i with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 125 N⋅m at 3200 RPM engine (1988.9–1995.11)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


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

expand_moreToothed belt tightener

expand_more2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_more2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreEngine lubrication

expand_moreOil drain plug


1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
2.0 i 4x4 CAT with gasoline straight-4 2.0 L 114 HP at 5400 RPM, 170 N⋅m at 2600 RPM engine (1989.1–1995.11)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
2.0 i 4x4 with gasoline straight-4 2.0 L 114 HP at 5200 RPM, 175 N⋅m at 3000 RPM engine (1989.1–1990.10)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
2.0 i CAT with gasoline straight-4 2.0 L 114 HP at 5400 RPM, 170 N⋅m at 2600 RPM engine (1988.9–1995.11)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
2.0 i with gasoline straight-4 2.0 L 114 HP at 5200 RPM, 175 N⋅m at 3000 RPM engine (1988.9–1990.10)	33.19 lbf⋅ft33.19 lbf⋅ft45 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


1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.

expand_more1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)


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.


1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Use screw-locking compound.
2.0 i 4x4 CAT with gasoline straight-4 2.0 L 114 HP at 5400 RPM, 170 N⋅m at 2600 RPM engine (1989.1–1995.11)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
2.0 i 4x4 with gasoline straight-4 2.0 L 114 HP at 5200 RPM, 175 N⋅m at 3000 RPM engine (1989.1–1990.10)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
2.0 i CAT with gasoline straight-4 2.0 L 114 HP at 5400 RPM, 170 N⋅m at 2600 RPM engine (1988.9–1995.11)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
2.0 i with gasoline straight-4 2.0 L 114 HP at 5200 RPM, 175 N⋅m at 3000 RPM engine (1988.9–1990.10)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Clean the thread and use screw-locking compound.

expand_moreEngine management

expand_moreCrankshaft sensor


2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)	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


2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)	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 other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use heat-resistant grease.

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreOpel diesel straight-4 1.7 L 17 D 56 HP

expand_moreOn the engine block


Right	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m


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

expand_moreEngine mounting


1.4 S with gasoline straight-4 1.4 L 74 HP engine (1988.9–1992.6)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 125 N⋅m at 3200 RPM engine (1988.9–1995.11)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
1.6 i with gasoline straight-4 1.6 L 74 HP engine (1988.9–1995.11)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
1.6 with gasoline straight-4 1.6 L 80 HP at 5400 RPM, 130 N⋅m at 3400 RPM engine (1988.9–1993.5)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_more1.7 D with diesel straight-4 1.7 L 56 HP engine (1988.10–1992.9)

expand_moreRight


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


2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

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

expand_moreCatalytic converter

expand_moreExhaust manifold


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreExhaust pipe


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


2000 16V 4x4 with gasoline straight-4 2.0 L 148 HP engine (1989.1–1990.10)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
2000/GT 16V with gasoline straight-4 2.0 L 148 HP engine (1989.1–1994.6)	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 1989 Opel Vectra 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 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 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 1989 Opel Vectra Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1989 Opel Vectra Sedan A Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Vectra Sedan A model years

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