1996 Audi A6 S6 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Audi gasoline straight-5 2.2 L AAN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AEC engines


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Second stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Audi gasoline V8 4.2 L AHK engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary assemblies


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

expand_moreAuxiliary drive belt tensioner


All Audi gasoline straight-5 2.2 L AAN engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V8 4.2 L AEC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 4.2 L AHK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Auxiliary drive belt tensioner	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Air-conditioning compressor bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Air-conditioning compressor pressure line	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAlternator

expand_moreAll Audi gasoline straight-5 2.2 L AAN engines


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AEC engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AHK engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_morePower steering pump bracket


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreServo pump pulley


All Audi gasoline straight-5 2.2 L AAN engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V8 4.2 L AEC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 4.2 L AHK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreServo steering pump


All Audi gasoline straight-5 2.2 L AAN engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V8 4.2 L AEC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 4.2 L AHK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCharging

expand_moreCharge air pipes


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreTurbo charger


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace nuts.

expand_moreCooling system

expand_moreCoolant pump

expand_moreAll Audi gasoline straight-5 2.2 L AAN engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM8


Hexagon head screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Hexagon head screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


All Audi gasoline V8 4.2 L AEC engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V8 4.2 L AHK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreFan wheel


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreViscous fan bracket


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreRadiator mounting

expand_moreS6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)


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

expand_moreCylinder head


Camshaft bearing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
First tighten bearing covers 1 and 4 alternately and in steps

expand_moreCylinder head screws

Figure 1. Cylinder head, Cylinder head screws.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new 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
tighten gradually cross-wise

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreS6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)


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

expand_moreCrankshaft central screws


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


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

expand_moreFlywheel

expand_moreAll Audi gasoline straight-5 2.2 L AAN engines


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

expand_moreAll Audi gasoline V8 4.2 L AEC engines


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

expand_moreAll Audi gasoline V8 4.2 L AHK engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreMain bearing


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use new screws.

expand_moreVibration damper


All Audi gasoline straight-5 2.2 L AAN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AEC engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AHK engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreEngine control


Camshaft drive belt deflection pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing gear


All Audi gasoline straight-5 2.2 L AAN engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AEC engines


Left	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Right	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AHK engines


Left	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Right	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreDrive belt tensioner device

expand_moreAll Audi gasoline straight-5 2.2 L AAN engines

expand_moreM6


Hexagon head screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM8


Hexagon head screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Hexagon head screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AEC engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Audi gasoline V8 4.2 L AHK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreToothed belt guard

expand_moreAll Audi gasoline V8 4.2 L AEC engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline V8 4.2 L AHK engines

expand_moreM10


Screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt guard at the bottom


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt guard at the top

expand_moreS6 4.2 quattro with gasoline V8 4.2 L 286 HP engine (1994.6–1997.10)

expand_moreCollar nuts


Left	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Right	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Left	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Toothed belt tensioning roller	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Audi gasoline straight-5 2.2 L AAN engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V8 4.2 L AEC engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All Audi gasoline V8 4.2 L AHK engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreOil lines


S6 Turbo quattro with gasoline straight-5 2.2 L 227 HP, 350 N⋅m engine (1994.6–1997.10)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOil sump

expand_moreAll Audi gasoline straight-5 2.2 L AAN engines

expand_moreAt the gearbox


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOn the engine block


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline V8 4.2 L AEC engines

expand_moreM6


Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM8


Oil sump top part	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline V8 4.2 L AHK engines

expand_moreM6


Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreM8


Oil sump top part	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreEngine management


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


All Audi gasoline straight-5 2.2 L AAN engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All Audi gasoline V8 4.2 L AEC engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use heat-resistant grease.
All Audi gasoline V8 4.2 L AHK engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use heat-resistant grease.

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll Audi gasoline straight-5 2.2 L AAN engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Audi gasoline V8 4.2 L AEC engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline V8 4.2 L AHK engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreEngine mounting


All Audi gasoline straight-5 2.2 L AAN engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Audi gasoline V8 4.2 L AEC engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline V8 4.2 L AHK engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreSubframe


First stage	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Replace screws.
Second stage	90°90°90°


Torque arm	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreExhaust system


Exhaust manifold	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreExhaust pipe


All Audi gasoline straight-5 2.2 L AAN engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline V8 4.2 L AEC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi gasoline V8 4.2 L AHK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.


Exhaust pipe bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreFuel supply


Fuel filter bracket	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Fuel lines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreIgnition system


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

expand_moreStart system

expand_moreStarter


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
M8	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 1996 Audi A6 S6 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 A6 S6 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 1996 Audi A6 S6 you're not only saving money, but also also improving your technical skills and learning something new.

1996 Audi A6 S6 C4 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 S6 C4 model years

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