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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All other modifications 16.23 lbf⋅ft
Replace screws and nuts.
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt tensioner
C16NZ engine 14.75 lbf⋅ft
C16NZ2 engine 13.28 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
All Opel gasoline straight-4 1.4 L 14 NV engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L 16 SV engines 18.44 lbf⋅ft
All Opel gasoline straight-4 2.0 L 20 XEJ engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines 18.44 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreAir-conditioning compressor bracket
expand_moreAlternator
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
M10 25.81 lbf⋅ft
M8 18.44 lbf⋅ft
expand_moreAll other modifications
M10 29.5 lbf⋅ft
M8 22.13 lbf⋅ft
expand_moreGenerator bracket
expand_moreAll Opel gasoline straight-4 1.4 L 14 NV engines
M10 29.5 lbf⋅ft
expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines
M10 29.5 lbf⋅ft
All other modifications 25.81 lbf⋅ft
Power steering pump bracket 35.4 lbf⋅ft
expand_moreServo pump pulley
All Opel gasoline straight-4 1.4 L 14 NV engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L 16 SV engines 18.44 lbf⋅ft
expand_moreServo steering pump
All Opel gasoline straight-4 1.4 L 14 NV engines 22.13 lbf⋅ft
All Opel gasoline straight-4 1.6 L 16 SV engines 22.13 lbf⋅ft
All Opel diesel straight-4 1.7 L 17 D engines 14.75 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ engines 22.13 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines 22.13 lbf⋅ft
All other modifications 18.44 lbf⋅ft
Vacuum pump 20.65 lbf⋅ft
expand_moreCarburetion
expand_moreFuel-distributing pipe
Injection hoses 18.44 lbf⋅ft
expand_moreInjection nozzle (injector)
All Opel diesel straight-4 1.7 L 17 D engines 51.63 lbf⋅ft
All other modifications 2.21 lbf⋅ft
expand_moreInjection pump
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
M6 8.85 lbf⋅ft
Otherwise 18.44 lbf⋅ft
expand_moreInjection pump pulley
All Opel diesel straight-4 1.7 L 17 D engines 18.44 lbf⋅ft
expand_moreCharging
Turbo charger 22.13 lbf⋅ft
expand_moreCooling system
expand_moreCoolant pump
All Opel gasoline straight-4 1.4 L 14 NV engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.6 L 16 SV engines 5.9 lbf⋅ft
M6 5.9 lbf⋅ft
M8 18.44 lbf⋅ft
All other modifications 18.44 lbf⋅ft
Coolant pump pulley 7.38 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
M6 7.38 lbf⋅ft
M8 14.75 lbf⋅ft
All other modifications 5.9 lbf⋅ft
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.
Figure 1. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.4 L 14 NV.
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 60°
Third stage 60°
Fourth stage 60°
expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 60°
Third stage 60°
Fourth stage 60°
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 45°
expand_moreC16NZ engine
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 60°
Third stage 60°
Fourth stage 60°
expand_moreC16NZ2 engine
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 90°
expand_moreAll other modifications
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 90°
Valve cover 5.9 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
expand_moreAll Opel gasoline straight-4 1.4 L 14 NV engines
First stage 18.44 lbf⋅ft
Replace screws.
Second stage 30°
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreAll Opel gasoline straight-4 1.8 L 18 SV engines
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
expand_moreC16NZ engine
First stage 18.44 lbf⋅ft
Replace screws.
Second stage 30°
expand_moreC16NZ2 engine
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreAll other modifications
First stage 18.44 lbf⋅ft
Replace screws and nuts.
Second stage 30°
expand_moreCrankshaft central screws
expand_moreAll Opel gasoline straight-4 1.4 L 14 NV engines
With fan belt 40.57 lbf⋅ft
expand_moreWith ribbed V-belt
First stage 40.57 lbf⋅ft
Use new screw.
Second stage 45°
Third stage 15°
expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines
With fan belt 40.57 lbf⋅ft
expand_moreWith ribbed V-belt
First stage 40.57 lbf⋅ft
Use new screw.
Second stage 45°
Third stage 15°
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
First stage 95.88 lbf⋅ft
Replace screws and nuts.
Second stage 4050°
First stage 95.88 lbf⋅ft
Replace screws and nuts.
Second stage 4050°
First stage 184.39 lbf⋅ft
Use new screw.
Second stage 4050°
With fan belt 40.57 lbf⋅ft
expand_moreWith ribbed V-belt
First stage 40.57 lbf⋅ft
Use new screw.
Second stage 45°
Third stage 15°
First stage 95.88 lbf⋅ft
Replace screws and nuts.
Second stage 4050°
expand_moreAll other modifications
First stage 95.88 lbf⋅ft
Use new screw.
Second stage 4050°
expand_moreCrankshaft pulley
C16NZ2 engine 14.75 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreFlywheel
expand_moreAll Opel gasoline straight-4 1.4 L 14 NV engines
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 5°
expand_moreAll Opel gasoline straight-4 1.8 L 18 SV engines
First stage 47.94 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
First stage 47.94 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
First stage 47.94 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_moreC16NZ engine
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
expand_moreC16NZ2 engine
First stage 47.94 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
First stage 47.94 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
First stage 47.94 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_moreAll other modifications
First stage 44.25 lbf⋅ft
Second stage 30°
Third stage 15°
Flywheel cover 5.16 lbf⋅ft
expand_moreMain bearing
expand_moreAll other modifications
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreEngine control
expand_moreCamshaft drive belt deflection pulley
First stage 18.44 lbf⋅ft
Use new screw.
Second stage 45°
Third stage 15°
All other modifications 56.05 lbf⋅ft
expand_moreCamshaft timing gear
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
First stage 55.32 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 5°
expand_moreAll Opel gasoline straight-4 2.0 L 20 NE engines
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 15°
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 15°
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 15°
All other modifications 33.19 lbf⋅ft
Replace screws.
expand_moreInlet camshaft wheel
expand_moreOutlet camshaft wheel
expand_moreToothed belt guard
All Opel gasoline straight-4 1.8 L 18 SV engines 2.95 lbf⋅ft
All Opel gasoline straight-4 2.0 L 20 SEH engines 2.95 lbf⋅ft
All Opel gasoline straight-4 2.0 L C 20 NEF engines 2.95 lbf⋅ft
All Opel gasoline straight-4 1.8 L E 18 NVR engines 2.95 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreToothed belt guard at the bottom
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt guard at the top
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt tensioning roller
All Opel diesel straight-4 1.7 L 17 D engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines 18.44 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreToothed belt tightener
expand_more2.0 i 16V with gasoline straight-4 2.0 L 148 HP engine (1989.2–1990.10)
First stage 18.44 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreEngine lubrication
expand_moreOil drain plug
All Opel diesel straight-4 1.7 L 17 D engines 33.19 lbf⋅ft
All Opel gasoline straight-4 2.0 L 20 NE engines 33.19 lbf⋅ft
All Opel gasoline straight-4 2.0 L C 20 NE engines 33.19 lbf⋅ft
All other modifications 40.57 lbf⋅ft
Oil filter 11.06 lbf⋅ft
Oil filter housing 11.06 lbf⋅ft
Oil pump 4.43 lbf⋅ft
expand_moreOil sump
All Opel gasoline straight-4 1.4 L 14 NV engines 5.9 lbf⋅ft
Clean the thread and use screw-locking compound.
All Opel gasoline straight-4 1.6 L 16 SV engines 5.9 lbf⋅ft
All Opel diesel straight-4 1.7 L 17 D engines 3.69 lbf⋅ft
Use screw-locking compound.
All Opel gasoline straight-4 2.0 L 20 NE engines 7.38 lbf⋅ft
Clean the thread and use screw-locking compound.
C16NZ engine 5.9 lbf⋅ft
Clean the thread and use screw-locking compound.
C16NZ2 engine 11.06 lbf⋅ft
Clean the thread and use screw-locking compound.
All Opel gasoline straight-4 2.0 L C 20 NE engines 7.38 lbf⋅ft
Clean the thread and use screw-locking compound.
All other modifications 11.06 lbf⋅ft
Clean the thread and use screw-locking compound.
expand_moreEngine management
expand_moreCamshaft sensor
expand_moreCrankshaft sensor
All Opel gasoline straight-4 2.0 L 20 XEJ engines 4.43 lbf⋅ft
All other modifications 5.9 lbf⋅ft
Glow plugs 14.75 lbf⋅ft
expand_moreKnock sensor
All Opel gasoline straight-4 2.0 L 20 XEJ engines 14.75 lbf⋅ft
All other modifications 9.59 lbf⋅ft
expand_moreLambda sensor
All other modifications 22.13 lbf⋅ft
Use heat-resistant grease.
expand_moreEngine mounting
expand_moreEngine bracket
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
expand_moreOn the engine block
Right 44.25 lbf⋅ft
All other modifications 44.25 lbf⋅ft
expand_moreEngine mounting
All Opel gasoline straight-4 1.4 L 14 NV engines 44.25 lbf⋅ft
All Opel gasoline straight-4 1.6 L 16 SV engines 44.25 lbf⋅ft
expand_moreAll Opel diesel straight-4 1.7 L 17 D engines
expand_moreRight
At the bracket 25.81 lbf⋅ft
All Opel gasoline straight-4 2.0 L 20 XEJ engines 44.25 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ engines 44.25 lbf⋅ft
All Opel gasoline straight-4 1.6 L C 16 NZ2 engines 44.25 lbf⋅ft
expand_moreAll other modifications
At the bracket 47.94 lbf⋅ft
On chassis 47.94 lbf⋅ft
Use screw-locking compound.
expand_moreExhaust system
Catalytic converter 18.44 lbf⋅ft
expand_moreExhaust manifold
All other modifications 16.23 lbf⋅ft
Replace screws and nuts.
expand_moreExhaust pipe
All other modifications 18.44 lbf⋅ft
expand_moreFuel supply
Fuel filter bracket 18.44 lbf⋅ft
expand_moreIgnition system
Spark plugs 18.44 lbf⋅ft
expand_moreStart system
expand_moreStarter
All Opel gasoline straight-4 2.0 L 20 XEJ engines 33.19 lbf⋅ft
expand_moreAll other modifications
M10 33.19 lbf⋅ft
M12 44.25 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1989 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.

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 1989 Opel Vectra Hatchback you're not only saving money, but also also improving your technical skills and learning something new.

Opel Vectra Hatchback A model years

Units:
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