in your garage to make future searches easy.

Condition Value
expand_moreAir intake system
Intake manifold 7.38 lbf⋅ft
tighten gradually cross-wise
expand_moreAuxiliary assemblies
Auxiliary drive belt deflection pulley 16.23 lbf⋅ft
Auxiliary drive belt tensioner 16.23 lbf⋅ft
Air-conditioning compressor 18.44 lbf⋅ft
expand_moreAir-conditioning compressor pressure line
M6 7.38 lbf⋅ft
M8 18.44 lbf⋅ft
Alternator 16.23 lbf⋅ft
expand_moreServo steering pump
M12 47.94 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreCooling system
Coolant pump 7.38 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
First stage 3.69 lbf⋅ft
Use new screws.
Second stage 90°
First tighten bearing covers 2 and 4 alternately and in steps
expand_moreCylinder head screws
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 44.25 lbf⋅ft
Third stage 90°
Fourth stage 90°
Valve cover 7.38 lbf⋅ft
Tighten cross-wise.
expand_moreEngine block
expand_moreBalance shaft gear wheel
expand_moreLong
M10 30.98 lbf⋅ft
Auxiliary drive sprocket wheel
expand_moreShort
M10 45.73 lbf⋅ft
Auxiliary drive pulley
expand_moreConnecting rod bearing
First stage 22.13 lbf⋅ft
Replace and lightly oil the screws.
Second stage 90°
expand_moreCrankshaft pulley
First stage 16.23 lbf⋅ft
Replace screws.
Second stage 45°
Engine block closure screws 25.81 lbf⋅ft
Oil sump top part
expand_moreFlywheel
expand_more22,5 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
expand_more43 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreMain bearing
expand_moreM10
First stage 22.13 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
Third stage 36.88 lbf⋅ft
Use new screws.
Fifth stage 90°
expand_moreM6
Seventh stage 6.64 lbf⋅ft
Tighten cross-wise.
expand_moreM8
Second stage 14.75 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
Fourth stage 22.13 lbf⋅ft
Use new screws.
Sixth stage 90°
expand_moreVibration damper
First stage 16.23 lbf⋅ft
Replace screws.
Second stage 45°
expand_moreEngine control
expand_moreBottom part of the control unit housing
M6 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreCamshaft adjuster
expand_moreM6
First stage 3.69 lbf⋅ft
Timing case
Second stage 90°
Camshaft timing chain slip rail 7.38 lbf⋅ft
expand_moreCamshaft timing chain tensioner
First stage 3.69 lbf⋅ft
Replace screws.
Second stage 90°
Camshaft timing chain tensioning rail 7.38 lbf⋅ft
Control drive chain tensioner 7.38 lbf⋅ft
expand_moreControl drive sprocket wheel
M10 30.98 lbf⋅ft
expand_moreM6
First stage 3.69 lbf⋅ft
Use new screw.
Second stage 90°
Control drive timing chain slip rail 7.38 lbf⋅ft
Drive chain balance shaft tensioner 7.38 lbf⋅ft
Auxiliary drive chain tensioner
expand_moreInlet camshaft wheel
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 73.76 lbf⋅ft
Third stage 90°
expand_moreOutlet camshaft wheel
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 73.76 lbf⋅ft
Third stage 90°
Tension rail bearing screws 7.38 lbf⋅ft
Timing case cover first cylinder row 7.38 lbf⋅ft
Timing case cover second cylinder row 7.38 lbf⋅ft
expand_moreEngine lubrication
Oil cooler 7.38 lbf⋅ft
Oil drain plug 36.88 lbf⋅ft
expand_moreOil filter housing
Cap 18.44 lbf⋅ft
M6 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreOil sump
expand_moreOil sump lower part
First stage 3.69 lbf⋅ft
Tighten the screws crosswise.
Second stage 7.38 lbf⋅ft
Oil sump top part 11.06 lbf⋅ft
expand_moreEngine management
Camshaft sensor 7.38 lbf⋅ft
Lambda sensor 40.57 lbf⋅ft
expand_moreEngine mounting
expand_moreSubframe
First stage 81.13 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreExhaust system
Exhaust manifold 18.44 lbf⋅ft
Replace the nuts and use fitting paste
Exhaust pipe 19.91 lbf⋅ft
Replace nuts.
Exhaust pipe bracket 18.44 lbf⋅ft
expand_moreFuel supply
Fuel filter bracket 10.62 lbf⋅in
expand_moreIgnition system
Spark plugs 22.13 lbf⋅ft
expand_moreStart system
Starter 47.94 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2008 Audi A4 S4 Avant 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.

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 A4 S4 Avant 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 2008 Audi A4 S4 Avant you're not only saving money, but also also improving your technical skills and learning something new.

2008 Audi A4 S4 Avant generations

In 2008 Audi offered 2 generations of the A4 S4 Avant. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Audi A4 S4 Avant B7 model years

Units:
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