in your garage to make future searches easy.

Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All other modifications 7.38 lbf⋅ft
expand_moreAuxiliary assemblies
Auxiliary drive belt tensioner 18.44 lbf⋅ft
Air-conditioning compressor 33.19 lbf⋅ft
Air-conditioning compressor bracket 33.19 lbf⋅ft
Air-conditioning compressor pressure line 14.75 lbf⋅ft
Alternator 18.44 lbf⋅ft
Power steering pump bracket 33.19 lbf⋅ft
Servo pump pulley 18.44 lbf⋅ft
Servo steering pump 18.44 lbf⋅ft
expand_moreVacuum pump
All other modifications 14.75 lbf⋅ft
expand_moreCarburetion
expand_moreExhaust gas return cooler
Otherwise 16.23 lbf⋅ft
Use new seals.
Support 7.38 lbf⋅ft
expand_moreExhaust recirculation pipe
All other modifications 16.23 lbf⋅ft
Use new seals.
Injection hoses 18.44 lbf⋅ft
expand_moreInjection nozzle (injector)
All other modifications 14.75 lbf⋅ft
Injection pump 22.13 lbf⋅ft
expand_moreInjection pump pulley
expand_moreExpanding-shaft screws
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 90°
Otherwise 18.44 lbf⋅ft
expand_moreCharging
Charge air pipes 7.38 lbf⋅ft
expand_moreTurbo charger
expand_moreAll other modifications
On exhaust manifold 25.81 lbf⋅ft
Replace screws. Use hot screw paste.
expand_moreTurbocharger bracket
expand_moreAll other modifications
At the turbocharger 33.19 lbf⋅ft
On the engine block 18.44 lbf⋅ft
expand_moreTurbocharger coolant feed line
Banjo screws 25.81 lbf⋅ft
Replace sealing rings.
expand_moreTurbocharger coolant return line
Banjo screws 25.81 lbf⋅ft
Replace sealing rings.
expand_moreTurbocharger oil feed line
expand_moreAll other modifications
Banjo screws 22.13 lbf⋅ft
Replace sealing rings.
expand_moreTurbocharger oil return line
All other modifications 7.38 lbf⋅ft
Replace sealing rings.
expand_moreCooling system
Coolant pump 11.06 lbf⋅ft
Fan wheel 7.38 lbf⋅ft
expand_moreRadiator mounting
All other modifications 11.06 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
All other modifications 7.38 lbf⋅ft
expand_moreCylinder head screws
expand_moreAll other modifications
First stage 29.5 lbf⋅ft
Use new screws.
Second stage 90°
Third stage 90°
expand_moreCylinder head screws shank length (new)
All other modifications 4.53 in
expand_moreRocker bridge
First stage 14.75 lbf⋅ft
Use new screws.
Second stage 90°
Valve cover 7.38 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCrankshaft central screws
expand_moreAll other modifications
First stage 66.38 lbf⋅ft
Replace bolt.
Second stage 90°
expand_moreCrankshaft pulley
expand_moreAll other modifications
M8 screws (class 10.9) 29.5 lbf⋅ft
expand_moreM8 screws (class 8.8)
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreDrive plate
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 44.25 lbf⋅ft
Third stage 90°
Engine block closure screws 73.76 lbf⋅ft
expand_moreFlywheel
expand_moreAll other modifications
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
Flywheel cover 7.38 lbf⋅ft
expand_moreMain bearing
expand_moreAll other modifications
First stage 47.94 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreVibration damper
expand_moreAll other modifications
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreEngine control
Camshaft adjuster 7.38 lbf⋅ft
expand_moreCamshaft drive belt deflection pulley
All other modifications 18.44 lbf⋅ft
expand_moreCamshaft timing gear
All other modifications 47.94 lbf⋅ft
expand_moreDrive belt tensioner device
All other modifications 11.06 lbf⋅ft
Oil pump drive chain tensioner 11.8 lbf⋅ft
do not dismantle
expand_moreToothed belt guard
Center 7.38 lbf⋅ft
Use screw-locking compound.
Bottom 7.38 lbf⋅ft
Use screw-locking compound.
Toothed belt guard at the bottom 7.38 lbf⋅ft
Use screw-locking compound.
Toothed belt guard at the top 7.38 lbf⋅ft
Toothed belt guard center 7.38 lbf⋅ft
Use screw-locking compound.
expand_moreToothed belt tensioning roller
All other modifications 19.91 lbf⋅ft
expand_moreEngine lubrication
Oil cooler 18.44 lbf⋅ft
Oil drain plug 22.13 lbf⋅ft
expand_moreOil filter housing
First stage 11.06 lbf⋅ft
Use new screws.
Second stage 90°
tighten gradually cross-wise
Cap 18.44 lbf⋅ft
expand_moreOil pump chain wheel
All other modifications 16.23 lbf⋅ft
expand_moreOil sump
expand_moreAll other modifications
At the gearbox 33.19 lbf⋅ft
On the engine block 11.06 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreEngine management
Charge air pressure sensor 3.69 lbf⋅ft
Glow plugs 11.06 lbf⋅ft
Knock sensor 14.75 lbf⋅ft
Lambda sensor 40.57 lbf⋅ft
expand_moreEngine mounting
Engine bracket 33.19 lbf⋅ft
expand_moreEngine mounting
expand_moreAll other modifications
expand_moreOn chassis
First stage 29.5 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreOn engine bracket
First stage 44.25 lbf⋅ft
Use new screw.
Second stage 90°
Strut 18.44 lbf⋅ft
expand_moreTorque arm
expand_moreAt the subframe
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAt the gearbox
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreExhaust system
Exhaust manifold 22.13 lbf⋅ft
Replace seals and nuts.
Exhaust manifold heat shields 16.96 lbf⋅ft
Replace nuts.
expand_moreExhaust pipe
expand_moreAll other modifications
At the turbocharger 29.5 lbf⋅ft
Replace seals and nuts.
Exhaust pipe bracket 16.96 lbf⋅ft
expand_moreFuel supply
Fuel filter bracket 7.38 lbf⋅ft
expand_moreIgnition system
expand_moreSpark plugs
All other modifications 22.13 lbf⋅ft
expand_moreStart system
expand_moreStarter
expand_moreAll other modifications
M10 33.19 lbf⋅ft
M12 47.94 lbf⋅ft
M8 14.75 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2004 Audi A3 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 A3 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 2004 Audi A3 you're not only saving money, but also also improving your technical skills and learning something new.

2004 Audi A3 generations

In 2004 Audi offered 2 generations of the A3. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Audi A3 First generation facelift model years

Units:
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