in your garage to make future searches easy.

Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All other modifications 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreAuxiliary assemblies
Auxiliary drive belt deflection pulley 16.23 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
All other modifications 40.57 lbf⋅ft
Auxiliary drive belt tensioner 18.44 lbf⋅ft
Use new screw.
Air-conditioning compressor 18.44 lbf⋅ft
Property class 10.9
expand_moreAir-conditioning compressor bracket
All other modifications 18.44 lbf⋅ft
Air-conditioning compressor pressure line 18.44 lbf⋅ft
expand_moreAlternator
expand_moreAll other modifications
M10 33.19 lbf⋅ft
M8 16.23 lbf⋅ft
Power steering pump bracket 18.44 lbf⋅ft
Servo pump pulley 18.44 lbf⋅ft
Servo steering pump 18.44 lbf⋅ft
expand_moreTensioning device for air-conditioning compressor auxiliary drive belt
All other modifications 14.75 lbf⋅ft
expand_moreVacuum pump
expand_moreAll other modifications
Cap 7.38 lbf⋅ft
Otherwise 14.75 lbf⋅ft
expand_moreCarburetion
Exhaust gas return cooler 7.38 lbf⋅ft
Exhaust gas return valve 18.44 lbf⋅ft
Replace sealing rings.
Exhaust recirculation pipe 18.44 lbf⋅ft
Replace sealing rings.
expand_moreInjection nozzle (injector)
All other modifications 14.75 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
expand_moreAEB, ANB, APU, and ARK engines
At the turbocharger 29.5 lbf⋅ft
On the engine block 33.19 lbf⋅ft
expand_moreAWT engine
At the turbocharger 22.13 lbf⋅ft
On the engine block 18.44 lbf⋅ft
expand_moreTurbocharger coolant feed line
Banjo screws 25.81 lbf⋅ft
expand_moreTurbocharger coolant return line
Union nuts 22.13 lbf⋅ft
expand_moreTurbocharger oil feed line
expand_moreAll other modifications
expand_moreAEB, ANB, APU, and ARK engines
Union nuts 18.44 lbf⋅ft
expand_moreAWT engine
Banjo screws 22.13 lbf⋅ft
Union nuts 16.96 lbf⋅ft
expand_moreTurbocharger oil return line
All other modifications 7.38 lbf⋅ft
Replace sealing rings.
expand_moreCooling system
expand_moreCoolant pump
All other modifications 7.38 lbf⋅ft
Coolant pump pulley 18.44 lbf⋅ft
Fan wheel 7.38 lbf⋅ft
Replace screws.
expand_moreViscous fan bracket
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreViscous fan clutch
All other modifications 51.63 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
All other modifications 7.38 lbf⋅ft
First tighten bearing covers 2 and 4 alternately and in steps
expand_moreCylinder head screws
Third stage 90°
expand_moreAll other modifications
First stage 44.25 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCylinder head screws shank length (new)
All other modifications 5.24 in
expand_moreRocker bridge
First stage 14.75 lbf⋅ft
Use new screws.
Second stage 90°
Tighten in steps from inside to outside.
Valve cover 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreEngine block
expand_moreConnecting rod bearing
expand_moreAll Audi gasoline V6 2.8 L ACK engines
expand_moreCracked connecting rod (M8)
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCracked connecting rod (M8,5)
First stage 29.5 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreSawed connecting rod
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll other modifications
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCrankshaft central screws
expand_moreAll Audi gasoline V6 2.8 L ACK engines
First stage 147.51 lbf⋅ft
Use new screws.
Second stage 180°
expand_moreAll other modifications
First stage 66.38 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCrankshaft pulley
All other modifications 16.23 lbf⋅ft
expand_moreDrive plate
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
Engine block closure screws 7.38 lbf⋅ft
expand_moreFlywheel
expand_moreAll other modifications
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreMain bearing
expand_moreAll other modifications
First stage Tighten by hand
Use new screws.
Second stage 44.25 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
Third stage 90°
Lateral-fitting screw 18.44 lbf⋅ft
expand_moreVibration damper
All other modifications 16.23 lbf⋅ft
expand_moreEngine control
Camshaft adjuster 7.38 lbf⋅ft
expand_moreCamshaft drive belt deflection pulley
All Audi gasoline V6 2.8 L ACK engines 31.72 lbf⋅ft
All Audi gasoline V6 2.8 L AHA engines 31.72 lbf⋅ft
All Audi gasoline V6 2.8 L ALG engines 31.72 lbf⋅ft
All Audi gasoline V6 2.8 L AMX engines 31.72 lbf⋅ft
All Audi gasoline V6 2.8 L APR engines 31.72 lbf⋅ft
All Audi gasoline V6 2.8 L AQD engines 31.72 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreCamshaft timing gear
expand_moreAll other modifications
Left 40.57 lbf⋅ft
Right 40.57 lbf⋅ft
expand_moreDrive belt tensioner device
All other modifications 7.38 lbf⋅ft
Use screw-locking compound.
Injection pump drive belt tensioning roller 26.55 lbf⋅ft
Oil pump drive chain tensioner 11.8 lbf⋅ft
do not dismantle
Toothed belt guard 7.38 lbf⋅ft
Toothed belt guard, rear
expand_moreToothed belt guard at the bottom
All other modifications 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 16.23 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil cooler
All Audi gasoline V6 2.8 L ACK engines 22.13 lbf⋅ft
All Audi gasoline V6 2.8 L AHA engines 22.13 lbf⋅ft
All Audi gasoline V6 2.8 L ALG engines 22.13 lbf⋅ft
All Audi gasoline V6 2.8 L AMX engines 22.13 lbf⋅ft
All Audi gasoline V6 2.8 L APR engines 22.13 lbf⋅ft
All Audi gasoline V6 2.8 L AQD engines 22.13 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreOil drain plug
All other modifications 22.13 lbf⋅ft
expand_moreOil filter housing
All other modifications 14.75 lbf⋅ft
expand_moreOil lines
All other modifications 18.44 lbf⋅ft
expand_moreOil pump chain wheel
All other modifications 18.44 lbf⋅ft
expand_moreOil sump
expand_moreAll other modifications
expand_moreAt the gearbox
Oil sump top part 33.19 lbf⋅ft
Oil sump lower part 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreOn the engine block (M6)
Oil sump top part 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreOn the engine block (M7)
Oil sump top part 11.8 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreOn the engine block (M8)
Oil sump top part 16.23 lbf⋅ft
expand_moreEngine management
expand_moreCamshaft sensor
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M8 18.44 lbf⋅ft
expand_moreCharge air pressure sensor
All other modifications 2.21 lbf⋅ft
Crankshaft sensor 7.38 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
on the engine block
Engine mounting 18.44 lbf⋅ft
at subframe
expand_moreSubframe
expand_moreM10
With ribbing 55.32 lbf⋅ft
Replace screws.
Without ribbing 22.13 lbf⋅ft
Replace screws.
expand_moreM12 × 110 screws
First stage 81.13 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreSubframe diagonal strut
First stage 29.5 lbf⋅ft
Second stage 90°
expand_moreSubframe stiffening plate
expand_moreM8 × 25 screws
Ribbed screw head. 55.32 lbf⋅ft
Otherwise 22.13 lbf⋅ft
expand_moreTorque arm
expand_moreAll other modifications
M10 29.5 lbf⋅ft
M8 × 22 screws 20.65 lbf⋅ft
expand_moreExhaust system
expand_moreCatalytic converter
expand_moreAll other modifications
At the turbocharger 22.13 lbf⋅ft
Replace seals and nuts.
expand_moreExhaust manifold
All other modifications 18.44 lbf⋅ft
Replace nuts.
Exhaust manifold heat shields 18.44 lbf⋅ft
Replace nuts.
expand_moreExhaust pipe
All other modifications 18.44 lbf⋅ft
Replace nuts.
Exhaust pipe bracket 18.44 lbf⋅ft
expand_moreFuel supply
expand_moreFuel filter bracket
All other modifications 10.62 lbf⋅in
expand_moreFuel lines
M12 14.75 lbf⋅ft
Banjo bolts.
M14 22.13 lbf⋅ft
Banjo bolts.
expand_moreIgnition system
expand_moreSpark plugs
All other modifications 22.13 lbf⋅ft
expand_moreStart system
expand_moreStarter
All other modifications 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 2001 Audi A4 Quattro 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 Quattro 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 2001 Audi A4 Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2001 Audi A4 Quattro generations

In 2001 Audi offered 2 generations of the A4 Quattro. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Audi A4 Quattro B5 facelift model years

Units:
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