1993 Audi 80 Avant S2 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


Nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAlternator


Screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m


Screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Tensioning screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreServo steering pump

expand_moreRetaining clamp


Screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


Screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head


Camshaft bearing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCylinder head screws

Figure 1. Cylinder head, Cylinder head screws.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws. See figure 1.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°


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

expand_moreEngine block

expand_moreConnecting rod bearing


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCrankshaft central screws


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


Crankshaft pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreFlywheel


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	180°180°180°


Main bearing	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Vibration damper	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreEngine control


Camshaft timing gear	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Drive belt tensioner device	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Toothed belt guard at the bottom	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine lubrication


Oil drain plug	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Oil sump	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine management


Lambda sensor	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreExhaust system


Exhaust manifold	22.13 lbf⋅ft22.13 lbf⋅ft30 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 1993 Audi 80 Avant S2 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 80 Avant S2 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 1993 Audi 80 Avant S2 you're not only saving money, but also also improving your technical skills and learning something new.

1993 Audi 80 Avant S2 B4 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi 80 Avant S2 B4 model years

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