2004 Audi A3 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt tensioner	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Air-conditioning compressor	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Air-conditioning compressor bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Air-conditioning compressor pressure line	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Alternator	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Power steering pump bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Servo pump pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Servo steering pump	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreVacuum pump


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCarburetion

expand_moreExhaust gas return cooler


Otherwise	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Use new seals.
Support	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreExhaust recirculation pipe


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Use new seals.


Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Injection pump	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreInjection pump pulley

expand_moreExpanding-shaft screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°


Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCharging


Charge air pipes	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreTurbo charger

expand_moreAll other modifications


On exhaust manifold	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. Use hot screw paste.

expand_moreTurbocharger bracket

expand_moreAll other modifications


At the turbocharger	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreTurbocharger coolant feed line


Banjo screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreTurbocharger coolant return line


Banjo screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreTurbocharger oil feed line

expand_moreAll other modifications


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace sealing rings.

expand_moreTurbocharger oil return line


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreCooling system


Coolant pump	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Fan wheel	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreRadiator mounting


All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head screws

expand_moreAll other modifications


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreCylinder head screws shank length (new)


All other modifications	4.53 in4.53 in115 mm

expand_moreRocker bridge


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screws.
Second stage	90°90°90°


Valve cover	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten the screws cross-wise from inside to outside.

expand_moreEngine block

expand_moreConnecting rod bearing


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

expand_moreCrankshaft central screws

expand_moreAll other modifications


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace bolt.
Second stage	90°90°90°

expand_moreCrankshaft pulley

expand_moreAll other modifications


M8 screws (class 10.9)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreM8 screws (class 8.8)


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreDrive plate


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


Engine block closure screws	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreFlywheel

expand_moreAll other modifications


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


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

expand_moreMain bearing

expand_moreAll other modifications


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreVibration damper

expand_moreAll other modifications


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine control


Camshaft adjuster	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCamshaft drive belt deflection pulley


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

expand_moreCamshaft timing gear


All other modifications	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreDrive belt tensioner device


All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


Oil pump drive chain tensioner	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle

expand_moreToothed belt guard


Center	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
Bottom	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.


Toothed belt guard at the bottom	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
Toothed belt guard at the top	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Toothed belt guard center	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreToothed belt tensioning roller


All other modifications	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreEngine lubrication


Oil cooler	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Oil drain plug	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOil filter housing


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Use new screws.
Second stage	90°90°90°
tighten gradually cross-wise
Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pump chain wheel


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreOil sump

expand_moreAll other modifications


At the gearbox	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
On the engine block	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreEngine management


Charge air pressure sensor	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Glow plugs	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting


Engine bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreEngine mounting

expand_moreAll other modifications

expand_moreOn chassis


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreOn engine bracket


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.
Second stage	90°90°90°


Strut	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreTorque arm

expand_moreAt the subframe


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAt the gearbox


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreExhaust system


Exhaust manifold	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace seals and nuts.
Exhaust manifold heat shields	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.

expand_moreExhaust pipe

expand_moreAll other modifications


At the turbocharger	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace seals and nuts.


Exhaust pipe bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreFuel supply


Fuel filter bracket	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreStart system

expand_moreStarter

expand_moreAll other modifications


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

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.

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 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.

Second generation

Type 8P1

2004 Audi A3 First generation facelift Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2004 Audi A3 generations

Second generation

Audi A3 First generation facelift model years

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