1990 Audi Coupe Quattro engine fastener tightening specifications

in your garage to make future searches easy.

Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


Audi gasoline straight-5 2.3 L NG 134 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-5 2.2 L KV 134 HP, 186 N⋅m	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt tensioner	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


2.2 quattro with gasoline straight-5 2.2 L 134 HP, 186 N⋅m engine (1988.11–1991.7)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Valve cover	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Audi gasoline straight-5 2.2 L KV engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	180°180°180°

expand_moreCrankshaft central screws


All Audi gasoline straight-5 2.2 L KV engines	258.15 lbf⋅ft258.15 lbf⋅ft350 N⋅m

expand_moreAll other modifications


Special tool 2079	258.15 lbf⋅ft258.15 lbf⋅ft350 N⋅m
Otherwise	331.9 lbf⋅ft331.9 lbf⋅ft450 N⋅m

expand_moreCrankshaft pulley


All Audi gasoline straight-5 2.2 L KV engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreDrive plate


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreFlywheel

expand_moreAudi gasoline straight-5 2.3 L NG 131 HP


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use screw-locking compound.
Second stage	100°100°100°

expand_moreAudi gasoline straight-5 2.3 L NG 134 HP


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use screw-locking compound.
Second stage	100°100°100°


Audi gasoline straight-5 2.2 L KV 134 HP, 186 N⋅m	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
All other modifications	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Use screw-locking compound.

expand_moreMain bearing


2.2 quattro with gasoline straight-5 2.2 L 134 HP, 186 N⋅m engine (1988.11–1991.7)	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m


Vibration damper	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear


Left	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace bolt.
Right	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace bolt.


Drive belt tensioner device	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt guard at the bottom


Audi gasoline straight-5 2.3 L NG 131 HP	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline straight-5 2.3 L NG 134 HP	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt tensioning roller


M6	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
M8	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreToothed belt tightener


M10	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Audi gasoline straight-5 2.0 L NM engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


Oil filter housing	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil sump


All Audi gasoline straight-5 2.2 L KV engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine management


Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


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

expand_moreIgnition system


Spark plugs	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1990 Audi Coupe Quattro 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 Audi 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 Audi Coupe Quattro 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 1990 Audi Coupe Quattro you're not only saving money, but also also improving your technical skills and learning something new.

1990 Audi Coupe Quattro B3 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi Coupe Quattro B3 model years

Suggest edit