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Condition Value
expand_moreAir intake system
Intake manifold 7.38 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
expand_moreAll Audi gasoline V8 4.2 L ARS engines
Bottom 16.96 lbf⋅ft
expand_moreM6
Top 7.38 lbf⋅ft
expand_moreTop
Central screws 16.23 lbf⋅ft
Use screw-locking compound.
All other modifications 16.23 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 16.96 lbf⋅ft
Otherwise 18.44 lbf⋅ft
All Audi diesel V6 2.5 L AFB engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 16.23 lbf⋅ft
All Audi gasoline V8 3.7 L AQG engines 31.72 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 31.72 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 31.72 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 31.72 lbf⋅ft
All other modifications 40.57 lbf⋅ft
Auxiliary drive belt tensioner 16.23 lbf⋅ft
expand_moreAir-conditioning compressor
All Audi diesel V6 2.5 L AFB engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 16.23 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 16.23 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 16.23 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 16.23 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreAir-conditioning compressor bracket
All Audi gasoline V8 4.2 L ARS engines 29.5 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 29.5 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 29.5 lbf⋅ft
All other modifications 18.44 lbf⋅ft
Air-conditioning compressor pressure line 18.44 lbf⋅ft
expand_moreAlternator
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
M10 29.5 lbf⋅ft
M8 18.44 lbf⋅ft
expand_moreAll Audi gasoline V8 4.2 L ARS engines
M10 29.5 lbf⋅ft
M8 18.44 lbf⋅ft
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 Audi diesel V6 2.5 L AFB engines 16.23 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 14.75 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 16.23 lbf⋅ft
expand_moreAll other modifications
AWT engine 16.96 lbf⋅ft
Otherwise 14.75 lbf⋅ft
Vacuum pump 7.38 lbf⋅ft
expand_moreCarburetion
Injection hoses 22.13 lbf⋅ft
expand_moreInjection nozzle (injector)
expand_moreAt the cylinder head
Retaining clamp 7.38 lbf⋅ft
expand_moreInjection pump
M6 7.38 lbf⋅ft
expand_moreOn the engine block
M8 14.75 lbf⋅ft
Injection pump pulley 16.23 lbf⋅ft
Do not loosen the middle nut.
expand_moreCharging
Charge air pipes 6.64 lbf⋅ft
expand_moreTurbo charger
All Audi diesel V6 2.5 L AFB engines 16.23 lbf⋅ft
Replace nuts.
All Audi gasoline V6 2.7 L AJK engines 44.25 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 16.23 lbf⋅ft
Replace nuts.
All Audi gasoline V6 2.7 L AZA engines 44.25 lbf⋅ft
expand_moreAll other modifications
On exhaust manifold 25.81 lbf⋅ft
Replace screws. Use hot screw paste.
expand_moreTurbocharger bracket
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
At the turbocharger 29.5 lbf⋅ft
On the engine block 33.19 lbf⋅ft
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
expand_moreAEB, AJL, ANB, APU, and ARK engines
Banjo screws 18.44 lbf⋅ft
expand_moreAWT engine
Banjo screws 25.81 lbf⋅ft
expand_moreTurbocharger coolant return line
Union nuts 22.13 lbf⋅ft
expand_moreTurbocharger oil feed line
expand_moreAll Audi diesel V6 2.5 L AFB engines
At the oil filter 7.38 lbf⋅ft
Replace sealing rings.
expand_moreAt the turbocharger
Banjo screws 11.06 lbf⋅ft
Replace sealing rings.
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
Union nuts 18.44 lbf⋅ft
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
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 11.06 lbf⋅ft
Otherwise 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 18.44 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 10.33 lbf⋅ft
Property class 10.9
All Audi gasoline straight-8 4.2 L ASG engines 10.33 lbf⋅ft
Property class 10.9
All Audi gasoline V8 4.2 L AWN engines 10.33 lbf⋅ft
Property class 10.9
All other modifications 7.38 lbf⋅ft
Coolant pump pulley 18.44 lbf⋅ft
Fan wheel 7.38 lbf⋅ft
expand_moreViscous fan bracket
M6 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreViscous fan clutch
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
Belt pulley 20.65 lbf⋅ft
M10 29.5 lbf⋅ft
Fan at bearing
M6 7.38 lbf⋅ft
Fan clutch at belt pulley
expand_moreAll Audi diesel V6 2.5 L AFB engines
Screw 1 27.29 lbf⋅ft
Torques applies only in combination with special tool.
Screw 2 51.63 lbf⋅ft
Without special tool
All Audi gasoline V6 2.7 L AJK engines 51.63 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 51.63 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 51.63 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 51.63 lbf⋅ft
All Audi gasoline V6 2.7 L AZA engines 51.63 lbf⋅ft
All other modifications 27.29 lbf⋅ft
Torques applies only in combination with special tool.
expand_moreCylinder head
expand_moreCamshaft bearing
expand_moreAll Audi diesel V6 2.5 L AFB engines
Nuts 11.06 lbf⋅ft
Screws 7.38 lbf⋅ft
expand_moreAll Audi gasoline V8 4.2 L ARS engines
First stage 3.69 lbf⋅ft
Use new screws.
Second stage 90°
All other modifications 7.38 lbf⋅ft
First tighten bearing covers 2 and 4 alternately and in steps
expand_moreCylinder head screws
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
Figure 1. Cylinder head, Cylinder head screws, Audi gasoline straight-4 1.8 L AEB.
Figure 1. Cylinder head, Cylinder head screws, Audi gasoline straight-4 1.8 L AEB.
First stage 44.25 lbf⋅ft
Use new screws. See figure 1.
Second stage 90°
Third stage 90°
expand_moreAWT engine
Figure 2. Cylinder head, Cylinder head screws, Audi gasoline straight-4 1.8 L AEB, AWT engine.
Figure 2. Cylinder head, Cylinder head screws, Audi gasoline straight-4 1.8 L AEB, AWT engine.
First stage 29.5 lbf⋅ft
Use new screws. See figure 2.
Second stage 90°
Third stage 90°
expand_moreAll Audi diesel V6 2.5 L AFB engines
Figure 3. Cylinder head, Cylinder head screws, Audi diesel V6 2.5 L AFB.
Figure 3. Cylinder head, Cylinder head screws, Audi diesel V6 2.5 L AFB.
First stage 25.81 lbf⋅ft
Use new screws. See figure 3.
Second stage 44.25 lbf⋅ft
Third stage 90°
Fourth stage 90°
expand_moreAll Audi gasoline V8 3.7 L AQG engines
Figure 4. Cylinder head, Cylinder head screws, Audi gasoline V8 3.7 L AQG.
Figure 4. Cylinder head, Cylinder head screws, Audi gasoline V8 3.7 L AQG.
First stage 25.81 lbf⋅ft
Replace screws. See figure 4.
Second stage 44.25 lbf⋅ft
Third stage 90°
Fourth stage 90°
expand_moreAll Audi gasoline V8 4.2 L ARS engines
Figure 5. Cylinder head, Cylinder head screws, Audi gasoline V8 4.2 L ARS.
Figure 5. Cylinder head, Cylinder head screws, Audi gasoline V8 4.2 L ARS.
First stage 25.81 lbf⋅ft
Use new screws. See figure 5.
Second stage 44.25 lbf⋅ft
Third stage 90°
Fourth stage 90°
expand_moreAll other modifications
Figure 6. Cylinder head, Cylinder head screws, All other modifications.
Figure 6. Cylinder head, Cylinder head screws, All other modifications.
First stage 44.25 lbf⋅ft
Use new screws. See figure 6.
Second stage 90°
Third stage 90°
expand_moreCylinder head screws shank length (new)
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 4.53 in
Otherwise 3.78 in
All Audi diesel V6 2.5 L AFB engines 6.1 in
All Audi gasoline straight-4 1.8 L AJL engines 3.78 in
All Audi diesel V6 2.5 L AKN engines 6.1 in
All other modifications 5.24 in
expand_moreRocker bridge
3.7 quattro with gasoline V8 3.7 L 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM engine (1999.3–2005.1) 6.64 lbf⋅ft
Valve cover 7.38 lbf⋅ft
Alternately, first inside and then outside
expand_moreEngine block
expand_moreConnecting rod bearing
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll Audi diesel V6 2.5 L AFB engines
First stage 22.13 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
First stage 22.13 lbf⋅ft
Replace screws and nuts.
Second stage 90°
expand_moreAll Audi gasoline V8 3.7 L AQG engines
First stage 22.13 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAll Audi gasoline V8 4.2 L ARS engines
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll other modifications
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_moreCrankshaft central screws
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
First stage 66.38 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll Audi gasoline V8 3.7 L AQG engines
First stage 147.51 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreAll other modifications
First stage 147.51 lbf⋅ft
Use new screws.
Second stage 90°
Third stage 90°
expand_moreCrankshaft pulley
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
Class 10.9 29.5 lbf⋅ft
expand_moreClass 8.8 screws
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
All other modifications 18.44 lbf⋅ft
expand_moreDrive plate
expand_more3.7 quattro with gasoline V8 3.7 L 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM engine (1999.3–2005.1)
First stage 22.13 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreEngine block closure screws
All other modifications 7.38 lbf⋅ft
expand_moreFlywheel
expand_moreAll Audi gasoline V6 2.4 L AJG engines
expand_more22,5 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
expand_more35 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_more43 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreAll Audi gasoline V6 2.7 L AJK engines
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreDual-mass flywheel
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreAll Audi gasoline V6 2.4 L APC engines
expand_more22,5 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
expand_more35 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_more43 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreAll Audi gasoline V8 4.2 L ARS engines
First stage 22.13 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreAll other modifications
expand_more22,5 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
expand_more43 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreMain bearing
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
First stage 47.94 lbf⋅ft
Replace screws and nuts.
Second stage 90°
expand_moreAll Audi diesel V6 2.5 L AFB engines
expand_moreScrews 1 – 8
Figure 7. Engine block, Main bearing, Audi diesel V6 2.5 L AFB, Screws 1 – 8.
Figure 7. Engine block, Main bearing, Audi diesel V6 2.5 L AFB, Screws 1 – 8.
First stage 44.25 lbf⋅ft
Use new screws. See figure 7.
Second stage 90°
expand_moreScrews 9 – 16
Third stage 44.25 lbf⋅ft
Fourth stage 90°
expand_moreLateral-fitting screw
Fifth stage 20.65 lbf⋅ft
expand_moreAll Audi gasoline V6 2.7 L AJK engines
expand_moreScrews 1 – 16
First stage 22.13 lbf⋅ft
Use new screws. See figure 7.
Second stage 44.25 lbf⋅ft
Third stage 90°
expand_moreLateral-fitting screw
Fourth stage 18.44 lbf⋅ft
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
First stage 47.94 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll Audi gasoline V8 4.2 L ARS engines
expand_moreNuts
First stage Tighten by hand
Replace screws and nuts.
Second stage 25.81 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
Third stage 90°
expand_moreLateral-fitting screw
Fourth stage 16.23 lbf⋅ft
Fifth stage 90°
expand_moreAll other modifications
First stage Tighten by hand
Use new screws.
Second stage 44.25 lbf⋅ft
Third stage 90°
expand_moreLateral-fitting screw
Fourth stage 18.44 lbf⋅ft
expand_moreVibration damper
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
Class 10.9 29.5 lbf⋅ft
expand_moreClass 8.8 screws
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAll Audi gasoline V6 2.7 L AJK engines
expand_moreOn crankshaft
First stage 147.51 lbf⋅ft
Replace screws.
Second stage 180°
Otherwise 18.44 lbf⋅ft
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
Class 10.9 29.5 lbf⋅ft
expand_moreClass 8.8 screws
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
All other modifications 16.23 lbf⋅ft
expand_moreEngine control
expand_moreCamshaft adjuster
expand_moreAll Audi gasoline V8 4.2 L ARS engines
First stage 3.69 lbf⋅ft
Replace screws.
Second stage 90°
All other modifications 7.38 lbf⋅ft
expand_moreCamshaft drive belt deflection pulley
All Audi gasoline straight-4 1.8 L AEB engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L ANB engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L APU engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L ARK engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AWT engines 18.44 lbf⋅ft
All other modifications 33.19 lbf⋅ft
expand_moreCamshaft timing gear
All Audi gasoline straight-4 1.8 L AEB engines 47.94 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L AFB engines
Central screws 55.32 lbf⋅ft
Wheel 16.23 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 47.94 lbf⋅ft
All Audi gasoline straight-4 1.8 L ANB engines 47.94 lbf⋅ft
All Audi gasoline straight-4 1.8 L APU engines 47.94 lbf⋅ft
All Audi gasoline straight-4 1.8 L ARK engines 47.94 lbf⋅ft
All Audi gasoline straight-4 1.8 L AWT engines 47.94 lbf⋅ft
All other modifications 40.57 lbf⋅ft
expand_moreDrive belt tensioner device
All Audi gasoline straight-4 1.8 L AEB engines 18.44 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L AFB engines
M6 7.38 lbf⋅ft
Otherwise 30.98 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L ANB engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L APU engines 18.44 lbf⋅ft
expand_moreAll Audi gasoline V8 3.7 L AQG engines
First stage 14.75 lbf⋅ft
Second stage 90°
Tensioning roller 29.5 lbf⋅ft
All Audi gasoline straight-4 1.8 L ARK engines 18.44 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 14.75 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 14.75 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 14.75 lbf⋅ft
All Audi gasoline straight-4 1.8 L AWT engines 18.44 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Use screw-locking compound.
Injection pump drive belt tensioning roller 26.55 lbf⋅ft
expand_moreOil pump drive chain tensioner
All Audi gasoline V8 4.2 L ARS engines 7.38 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 7.38 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 7.38 lbf⋅ft
expand_moreAll other modifications
AWT engine 11.8 lbf⋅ft
do not dismantle
Toothed belt guard 7.38 lbf⋅ft
Use screw-locking compound.
expand_moreToothed belt guard at the bottom
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 7.38 lbf⋅ft
Use screw-locking compound.
M6 7.38 lbf⋅ft
M8 14.75 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Toothed belt guard at the top 7.38 lbf⋅ft
Use new screws.
expand_moreToothed belt guard center
AWT engine 7.38 lbf⋅ft
Use screw-locking compound.
expand_moreToothed belt tensioning roller
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 19.91 lbf⋅ft
M10 29.5 lbf⋅ft
M6 7.38 lbf⋅ft
Nuts 7.38 lbf⋅ft
Screws 18.44 lbf⋅ft
All Audi diesel V6 2.5 L AFB engines 30.98 lbf⋅ft
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
M10 29.5 lbf⋅ft
M6 7.38 lbf⋅ft
Nuts 7.38 lbf⋅ft
Screws 18.44 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 30.98 lbf⋅ft
All Audi gasoline V8 3.7 L AQG engines 33.19 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 29.5 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 29.5 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 29.5 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreToothed belt tightener
All Audi gasoline V8 3.7 L AQG engines 7.38 lbf⋅ft
All other modifications 16.23 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil cooler
All Audi gasoline straight-4 1.8 L AEB engines 18.44 lbf⋅ft
All Audi diesel V6 2.5 L AFB engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 18.44 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L ANB engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L APU engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L ARK engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AWT engines 18.44 lbf⋅ft
All other modifications 22.13 lbf⋅ft
Oil cooler lines 6.64 lbf⋅ft
expand_moreOil drain plug
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 22.13 lbf⋅ft
Otherwise 36.88 lbf⋅ft
All Audi diesel V6 2.5 L AFB engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 36.88 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 18.44 lbf⋅ft
All Audi gasoline V8 3.7 L AQG engines 36.88 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 36.88 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 36.88 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 36.88 lbf⋅ft
All other modifications 22.13 lbf⋅ft
expand_moreOil filter housing
All Audi gasoline V8 4.2 L ARS engines 33.19 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 33.19 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 33.19 lbf⋅ft
expand_moreAll other modifications
Cap 18.44 lbf⋅ft
Otherwise 7.38 lbf⋅ft
Tighten cross-wise.
expand_moreOil lines
expand_moreAll Audi diesel V6 2.5 L AFB engines
Banjo screws 11.06 lbf⋅ft
M6 7.38 lbf⋅ft
expand_moreAll Audi gasoline straight-4 1.8 L AJL engines
M6 7.38 lbf⋅ft
Union nuts 18.44 lbf⋅ft
expand_moreAll other modifications
Union nuts 16.96 lbf⋅ft
Otherwise 18.44 lbf⋅ft
expand_moreOil pump chain wheel
All Audi gasoline V6 2.7 L AJK engines 18.44 lbf⋅ft
All Audi gasoline V8 4.2 L ARS engines 25.08 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 25.08 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 25.08 lbf⋅ft
All Audi gasoline V6 2.7 L AZA engines 18.44 lbf⋅ft
All other modifications 16.23 lbf⋅ft
expand_moreOil sump
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
M10 33.19 lbf⋅ft
M6 7.38 lbf⋅ft
Gradually tighten screws crosswise.
M7 11.06 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreAll Audi diesel V6 2.5 L AFB engines
expand_moreAt the sealing flange (M6)
Oil sump top part 7.38 lbf⋅ft
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 9.59 lbf⋅ft
expand_moreOn the engine block (M7)
Oil sump top part 11.8 lbf⋅ft
expand_moreAll Audi gasoline V6 2.7 L AJK engines
expand_moreM6
Oil sump top part 11.06 lbf⋅ft
expand_moreM8
Oil sump top part 14.75 lbf⋅ft
Oil sump lower part 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreAll Audi gasoline V8 4.2 L ARS engines
expand_moreAt the gearbox
Oil sump top part 47.94 lbf⋅ft
expand_moreM7
Oil sump top part 10.33 lbf⋅ft
expand_moreM8
Oil sump top part 16.23 lbf⋅ft
Oil sump lower part 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreAll other modifications
expand_moreM6
Oil sump top part 7.38 lbf⋅ft
expand_moreM7
Oil sump top part 11.8 lbf⋅ft
expand_moreM8
Oil sump top part 16.23 lbf⋅ft
Oil sump lower part 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreEngine management
expand_moreCharge air pressure sensor
All Audi diesel V6 2.5 L AFB engines 6.64 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 6.64 lbf⋅ft
All other modifications 2.21 lbf⋅ft
Crankshaft sensor 7.38 lbf⋅ft
Glow plugs 13.28 lbf⋅ft
Knock sensor 14.75 lbf⋅ft
expand_moreLambda sensor
All Audi gasoline V6 2.7 L AJK engines 36.88 lbf⋅ft
All Audi gasoline V6 2.7 L AZA engines 36.88 lbf⋅ft
All other modifications 40.57 lbf⋅ft
expand_moreEngine mounting
Engine bracket 33.19 lbf⋅ft
on the engine block
expand_moreEngine mounting
All Audi diesel V6 2.5 L AFB engines 14.75 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 14.75 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreSubframe
expand_moreRear
First stage 81.13 lbf⋅ft
Second stage 90°
expand_moreSubframe stiffening plate
expand_moreRibbed nuts
expand_moreRibbed screw head.
First stage 14.75 lbf⋅ft
Replace bolts.
Second stage 90°
Ribbed screw head. 55.32 lbf⋅ft
Replace bolts.
Otherwise 18.44 lbf⋅ft
Replace bolts.
expand_moreTorque arm
All Audi gasoline straight-4 1.8 L AEB engines 20.65 lbf⋅ft
All Audi diesel V6 2.5 L AFB engines 33.19 lbf⋅ft
All Audi gasoline V6 2.7 L AJK engines 33.19 lbf⋅ft
All Audi gasoline straight-4 1.8 L AJL engines 20.65 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 33.19 lbf⋅ft
All Audi gasoline straight-4 1.8 L ANB engines 20.65 lbf⋅ft
All Audi gasoline straight-4 1.8 L APU engines 20.65 lbf⋅ft
All Audi gasoline straight-4 1.8 L ARK engines 20.65 lbf⋅ft
All Audi gasoline straight-4 1.8 L AWT engines 20.65 lbf⋅ft
All Audi gasoline V6 2.7 L AZA engines 33.19 lbf⋅ft
expand_moreAll other modifications
At the crossmember 20.65 lbf⋅ft
On the engine block 29.5 lbf⋅ft
expand_moreExhaust system
expand_moreCatalytic converter
All Audi diesel V6 2.5 L AFB engines 18.44 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 18.44 lbf⋅ft
expand_moreAll other modifications
At the turbocharger 22.13 lbf⋅ft
Replace seals and nuts.
expand_moreExhaust manifold
expand_moreAll Audi gasoline straight-4 1.8 L AEB engines
AWT engine 22.13 lbf⋅ft
Replace nuts.
Otherwise 18.44 lbf⋅ft
Replace nuts.
All other modifications 18.44 lbf⋅ft
Replace the nuts and use fitting paste
Exhaust pipe 18.44 lbf⋅ft
Replace nuts.
Exhaust pipe bracket 18.44 lbf⋅ft
Replace nuts.
Primary catalytic converter 18.44 lbf⋅ft
Replace seals and nuts.
expand_moreFuel supply
expand_moreFuel filter bracket
All Audi diesel V6 2.5 L AFB engines 7.38 lbf⋅ft
All Audi diesel V6 2.5 L AKN engines 7.38 lbf⋅ft
All other modifications 1.48 lbf⋅ft
expand_moreFuel lines
expand_moreBanjo screws
M12 16.96 lbf⋅ft
M14 22.13 lbf⋅ft
expand_moreIgnition system
expand_moreSpark plugs
All Audi gasoline V6 2.7 L AJK engines 18.44 lbf⋅ft
All Audi gasoline V6 2.7 L AZA engines 18.44 lbf⋅ft
All other modifications 22.13 lbf⋅ft
expand_moreStart system
expand_moreStarter
All Audi gasoline V8 4.2 L ARS engines 47.94 lbf⋅ft
All Audi gasoline straight-8 4.2 L ASG engines 47.94 lbf⋅ft
All Audi gasoline V8 4.2 L AWN engines 47.94 lbf⋅ft
expand_moreAll other modifications
M10 33.19 lbf⋅ft
M12 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 1999 Audi A6 Avant 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 A6 Avant 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 1999 Audi A6 Avant Quattro you're not only saving money, but also also improving your technical skills and learning something new.

Audi A6 Avant Quattro C5 model years

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