1986 Opel Ascona Sedan engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt tensioner	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCarburetion


Injection nozzle (injector)	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreCylinder head


Camshaft bearing	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Valve cover	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Opel gasoline straight-4 1.3 L 13 N engines


First stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Second stage	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll Opel gasoline straight-4 1.3 L 13 S engines


First stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Second stage	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m


All Opel diesel straight-4 1.6 L 16 D engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Opel diesel straight-4 1.6 L 16 DA engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L 16 N engines


First stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Second stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L 16 SH engines


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

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


All Opel gasoline straight-4 1.3 L 13 N engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use screw-locking compound.
All Opel gasoline straight-4 1.3 L 13 S engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use screw-locking compound.

expand_moreAll Opel diesel straight-4 1.6 L 16 D engines


First stage	106.95 lbf⋅ft106.95 lbf⋅ft145 N⋅m
Replace screws and nuts.
Second stage	30–40°30–40°30–40°


All Opel gasoline straight-4 1.6 L 16 SV engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All Opel gasoline straight-4 1.6 L C 16 LZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAll other modifications


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

expand_moreCrankshaft pulley

expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines


Screw with thread length 23 mm	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws.

expand_moreScrew with thread length 30 mm


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


All Opel gasoline straight-4 1.8 L 18 E engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws and nuts.
All Opel gasoline straight-4 1.8 L C 18 NE engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws and nuts.
All Opel gasoline straight-4 1.8 L S 18 NV engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws and nuts.
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_moreAll Opel gasoline straight-4 1.3 L 13 N engines


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_moreAll Opel gasoline straight-4 1.3 L 13 S engines


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°


All Opel diesel straight-4 1.6 L 16 D engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel diesel straight-4 1.6 L 16 DA engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Opel gasoline straight-4 1.6 L 16 N engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L 16 SH engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Second stage	30–45°30–45°30–45°

expand_moreAll Opel gasoline straight-4 1.6 L 16 SV engines


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_moreAll Opel gasoline straight-4 1.8 L 18 E engines


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

expand_moreAll Opel gasoline straight-4 1.6 L C 16 NZ 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 1.8 L C 18 NE engines


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

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


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

expand_moreMain bearing


All Opel diesel straight-4 1.6 L 16 D engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Opel diesel straight-4 1.6 L 16 DA engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L 16 N engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	40–50°40–50°40–50°

expand_moreAll Opel gasoline straight-4 1.6 L 16 SH engines


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

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 timing gear

expand_moreAll Opel diesel straight-4 1.6 L 16 D engines


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

expand_moreAll Opel gasoline straight-4 1.8 L 18 E 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 1.8 L C 18 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 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°


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

expand_moreToothed belt tightener


All Opel gasoline straight-4 1.6 L 16 SV engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Opel gasoline straight-4 1.6 L 16 SV engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All Opel gasoline straight-4 1.6 L C 16 LZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All Opel gasoline straight-4 1.6 L C 16 NZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Oil filter housing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreOil sump


All Opel diesel straight-4 1.6 L 16 D engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
All Opel diesel straight-4 1.6 L 16 DA engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
All Opel gasoline straight-4 2.0 L 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 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 other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.

expand_moreEngine management


Glow plugs	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Knock sensor	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Lambda sensor	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use assembly paste

expand_moreEngine mounting


Engine bracket	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreEngine mounting


At the bracket	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
On chassis	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All Opel gasoline straight-4 1.6 L 16 N 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_moreIgnition system

expand_moreSpark plugs


All Opel gasoline straight-4 1.6 L 16 N engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	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 1986 Opel Ascona 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.

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 Ascona 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 1986 Opel Ascona Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1986 Opel Ascona Sedan generations

In 1986 Opel offered 2 generations of the Ascona Sedan. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

C3

J Platform

1986 Opel Ascona Sedan C2 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1986 Opel Ascona Sedan generations

C3

Opel Ascona Sedan C2 model years

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