2001 Audi A4 Quattro engine fastener tightening specifications

in your garage to make future searches easy.

Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAuxiliary assemblies


Auxiliary drive belt deflection pulley	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary drive belt tensioner


All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


Auxiliary drive belt tensioner	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screw.
Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Property class 10.9

expand_moreAir-conditioning compressor bracket


All other modifications	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 other modifications


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Power steering pump bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 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_moreTensioning device for air-conditioning compressor auxiliary drive belt


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

expand_moreVacuum pump

expand_moreAll other modifications


Cap	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCarburetion


Exhaust gas return cooler	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Exhaust gas return valve	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
Exhaust recirculation pipe	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreInjection nozzle (injector)


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

expand_moreAEB, ANB, APU, and ARK engines


At the turbocharger	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAWT engine


At the turbocharger	22.13 lbf⋅ft22.13 lbf⋅ft30 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

expand_moreTurbocharger coolant return line


Union nuts	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreTurbocharger oil feed line

expand_moreAll other modifications

expand_moreAEB, ANB, APU, and ARK engines


Union nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAWT engine


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Union nuts	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreTurbocharger oil return line


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

expand_moreCooling system

expand_moreCoolant pump


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


Coolant pump pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Fan wheel	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreViscous fan bracket

expand_moreAll other modifications


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreViscous fan clutch


All other modifications	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
First tighten bearing covers 2 and 4 alternately and in steps

expand_moreCylinder head screws


Third stage	90°90°90°

expand_moreAll other modifications


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

expand_moreCylinder head screws shank length (new)


All other modifications	5.24 in5.24 in133 mm

expand_moreRocker bridge


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screws.
Second stage	90°90°90°
Tighten in steps from inside to outside.


Valve cover	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
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⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreCracked connecting rod (M8,5)


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

expand_moreSawed connecting rod


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

expand_moreAll other modifications


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 Audi gasoline V6 2.8 L ACK engines


First stage	147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Use new screws.
Second stage	180°180°180°

expand_moreAll other modifications


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreCrankshaft pulley


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

expand_moreDrive plate


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


Engine block closure screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreFlywheel

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreMain bearing

expand_moreAll other modifications


First stage	Tighten by hand
Use new screws.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Tighten the screws cross-wise from inside to outside.
Third stage	90°90°90°
Lateral-fitting screw	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreVibration damper


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

expand_moreEngine control


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

expand_moreCamshaft drive belt deflection pulley


All Audi gasoline V6 2.8 L ACK engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L AHA engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L ALG engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L AMX engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L APR engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L AQD engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing gear

expand_moreAll other modifications


Left	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Right	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreDrive belt tensioner device


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.


Injection pump drive belt tensioning roller	26.55 lbf⋅ft26.55 lbf⋅ft36 N⋅m
Oil pump drive chain tensioner	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle
Toothed belt guard	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Toothed belt guard, rear

expand_moreToothed belt guard at the bottom


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

expand_moreEngine lubrication

expand_moreOil cooler


All Audi gasoline V6 2.8 L ACK engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L AHA engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L ALG engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L AMX engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L APR engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L AQD engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil drain plug


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

expand_moreOil filter housing


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

expand_moreOil lines


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

expand_moreOil pump chain wheel


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

expand_moreOil sump

expand_moreAll other modifications

expand_moreAt the gearbox


Oil sump top part	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


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

expand_moreOn the engine block (M6)


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

expand_moreOn the engine block (M7)


Oil sump top part	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Gradually tighten screws crosswise.

expand_moreOn the engine block (M8)


Oil sump top part	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor

expand_moreAll other modifications


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

expand_moreCharge air pressure sensor


All other modifications	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m


Crankshaft sensor	7.38 lbf⋅ft7.38 lbf⋅ft10 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
on the engine block
Engine mounting	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
at subframe

expand_moreSubframe

expand_moreM10


With ribbing	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.
Without ribbing	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.

expand_moreM12 × 110 screws


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

expand_moreSubframe diagonal strut


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

expand_moreSubframe stiffening plate

expand_moreM8 × 25 screws


Ribbed screw head.	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Otherwise	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreTorque arm

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8 × 22 screws	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter

expand_moreAll other modifications


At the turbocharger	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace seals and nuts.

expand_moreExhaust manifold


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


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

expand_moreExhaust pipe


All other modifications	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

expand_moreFuel filter bracket


All other modifications	10.62 lbf⋅in10.62 lbf⋅in1.2 N⋅m

expand_moreFuel lines


M12	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Banjo bolts.
M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Banjo bolts.

expand_moreIgnition system

expand_moreSpark plugs


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

expand_moreStart system

expand_moreStarter


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

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.

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 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.

B6

Type 8E2

2001 Audi A4 Quattro B5 facelift Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2001 Audi A4 Quattro generations

B6

Audi A4 Quattro B5 facelift model years

Suggest edit