2001 Audi A8 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Audi gasoline V8 3.7 L AKC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 3.7 L AQG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt tensioner	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Tensioning device for air-conditioning compressor auxiliary drive belt	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreCarburetion

expand_moreInjection pump drive wheel


On camshaft gear	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


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

expand_moreInjection nozzle (injector)

expand_moreAt the cylinder head


Retaining clamp	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCooling system

expand_moreViscous fan clutch

expand_moreAll Audi diesel V6 2.5 L AKE engines


With a special tool	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Tighten only with special tool 3312
Without special tool	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m


All other modifications	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Torques applies only in combination with special tool.

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Audi diesel V6 2.5 L AKE engines

expand_moreBearing cap


Nuts	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


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

expand_moreCylinder head screws

expand_moreAll Audi diesel V6 2.5 L AKE engines

Figure 1. Cylinder head, Cylinder head screws, Audi diesel V6 2.5 L AKE.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. See figure 1.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll other modifications

Figure 2. Cylinder head, Cylinder head screws, All other modifications.


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws. See figure 2.
Second stage	90°90°90°
Third stage	90°90°90°


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

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Audi diesel V6 2.5 L AKE engines


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

expand_moreAll other modifications

expand_moreCracked connecting rod

expand_moreM8


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

expand_moreM8,5


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

expand_moreSawed connecting rod


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

expand_moreCrankshaft central screws


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


Crankshaft pulley	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

expand_moreDual-mass flywheel


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

expand_moreVibration damper


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

expand_moreEngine control


Camshaft drive belt deflection pulley	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Audi diesel V6 2.5 L AKE engines


Central camshaft screws	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m

expand_moreAll other modifications


Right	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace and lightly oil the screw.
Left	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace and lightly oil the screw.

expand_moreDrive belt tensioner device

expand_moreAll Audi diesel V6 2.5 L AKE engines


Tensioning lever	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreAll other modifications


Tensioning lever	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Injection pump drive belt tensioning roller	26.55 lbf⋅ft26.55 lbf⋅ft36 N⋅m

expand_moreToothed belt guard at the bottom


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


Toothed belt guard at the top	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt tensioning roller


All Audi gasoline V8 3.7 L AKC engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi diesel V6 2.5 L AKE engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
All Audi gasoline V8 3.7 L AQG engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll other modifications


Tensioning roller	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Toothed belt tightener	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreEngine lubrication

expand_moreOil drain plug


All Audi gasoline V8 3.7 L AKC engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Audi diesel V6 2.5 L AKE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 3.7 L AQG engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOil filter housing


All Audi diesel V6 2.5 L AKE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Oil sump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management


Glow plugs	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting


Engine mounting	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreSubframe


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreExhaust system


Catalytic converter	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust manifold


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

expand_moreIgnition system

expand_moreSpark plugs


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

expand_moreStart system


Starter	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 A8 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 A8 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 A8 you're not only saving money, but also also improving your technical skills and learning something new.

2001 Audi A8 generations

In 2001 Audi offered 2 generations of the A8. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

D2 first facelift

Type 4D2, Type 4D8

Audi A8 D2 second facelift model years

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2001
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2002

2001 Audi A8 D2 second facelift Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2001 Audi A8 generations

D2 first facelift

Audi A8 D2 second facelift model years

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