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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All Audi gasoline straight-4 2.0 L ALT engines 7.38 lbf⋅ft
All Audi gasoline straight-4 1.6 L ALZ engines 14.75 lbf⋅ft
All Audi gasoline straight-4 1.8 L AMB engines 7.38 lbf⋅ft
All Audi diesel straight-4 1.9 L AVB engines 18.44 lbf⋅ft
All Audi diesel straight-4 1.9 L AVF engines 18.44 lbf⋅ft
All Audi gasoline straight-4 2.0 L AWA engines 7.38 lbf⋅ft
All Audi diesel straight-4 1.9 L AWX engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L BEX engines 7.38 lbf⋅ft
All Audi gasoline straight-4 1.8 L BFB engines 7.38 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 90°
All Audi diesel V6 2.5 L BCZ engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 16.23 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
All Audi gasoline straight-4 2.0 L ALT engines 18.44 lbf⋅ft
All Audi gasoline V6 2.4 L AMM engines 40.57 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L ASN engines
M10 29.5 lbf⋅ft
M8 16.96 lbf⋅ft
All Audi gasoline straight-4 2.0 L AWA engines 18.44 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L BBJ engines
M10 29.5 lbf⋅ft
M8 16.96 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 40.57 lbf⋅ft
All other modifications 16.96 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
All Audi diesel straight-4 1.9 L AVB engines 18.44 lbf⋅ft
Use new screw.
All Audi diesel straight-4 1.9 L AVF engines 18.44 lbf⋅ft
Use new screw.
All Audi diesel straight-4 1.9 L AWX engines 18.44 lbf⋅ft
Use new screw.
All other modifications 16.23 lbf⋅ft
Air-conditioning compressor 18.44 lbf⋅ft
use only property class 10.9
expand_moreAir-conditioning compressor bracket
All Audi gasoline straight-4 2.0 L ALT engines 29.5 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 16.96 lbf⋅ft
All Audi diesel straight-4 1.9 L AVB engines 33.19 lbf⋅ft
All Audi diesel straight-4 1.9 L AVF engines 33.19 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 16.96 lbf⋅ft
All Audi gasoline straight-4 2.0 L AWA engines 29.5 lbf⋅ft
All Audi diesel straight-4 1.9 L AWX engines 33.19 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 16.96 lbf⋅ft
All Audi diesel V6 2.5 L BCZ engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 16.23 lbf⋅ft
All other modifications 29.5 lbf⋅ft
Use screw-locking compound.
expand_moreAir-conditioning compressor pressure line
M6 7.38 lbf⋅ft
M8 18.44 lbf⋅ft
expand_moreAlternator
All Audi gasoline straight-4 2.0 L ALT engines 16.96 lbf⋅ft
All Audi gasoline straight-4 1.6 L ALZ engines 16.96 lbf⋅ft
All Audi gasoline straight-4 1.8 L AMB engines 14.75 lbf⋅ft
All Audi diesel straight-4 1.9 L AVB engines 18.44 lbf⋅ft
All Audi diesel straight-4 1.9 L AVF engines 18.44 lbf⋅ft
All Audi gasoline straight-4 2.0 L AWA engines 16.96 lbf⋅ft
All Audi diesel straight-4 1.9 L AWX engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L BEX engines 14.75 lbf⋅ft
All Audi gasoline straight-4 1.8 L BFB engines 14.75 lbf⋅ft
expand_moreAll other modifications
M10 33.19 lbf⋅ft
M8 16.23 lbf⋅ft
Power steering pump bracket 16.23 lbf⋅ft
Servo pump pulley 16.96 lbf⋅ft
expand_moreServo steering pump
All Audi gasoline straight-4 2.0 L ALT engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AMB engines 14.75 lbf⋅ft
expand_moreAll Audi gasoline V6 2.4 L AMM engines
M6 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
All Audi gasoline straight-4 2.0 L AWA engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L BEX engines 14.75 lbf⋅ft
All Audi gasoline straight-4 1.8 L BFB engines 14.75 lbf⋅ft
All other modifications 16.96 lbf⋅ft
expand_moreTensioning device for air-conditioning compressor auxiliary drive belt
All Audi diesel V6 2.5 L BCZ engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 16.23 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreVacuum pump
All Audi diesel V6 2.5 L BCZ engines 7.38 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 7.38 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 7.38 lbf⋅ft
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreCarburetion
Injection hoses 22.13 lbf⋅ft
expand_moreInjection nozzle (injector)
expand_moreAll Audi diesel V6 2.5 L BFC engines
expand_moreAt the cylinder head
Retaining clamp 7.38 lbf⋅ft
expand_moreAll other modifications
First stage 8.85 lbf⋅ft
Replace screws.
Second stage 270°
expand_moreInjection pump
M6 7.38 lbf⋅ft
M8 14.75 lbf⋅ft
Injection pump pulley 16.23 lbf⋅ft
Do not loosen the middle nut.
expand_moreCharging
expand_moreTurbo charger
All Audi gasoline straight-4 1.8 L AMB engines 25.81 lbf⋅ft
Replace screws. Use hot screw paste.
All Audi diesel V6 2.5 L BCZ engines 16.23 lbf⋅ft
Replace nuts.
All Audi diesel V6 2.5 L BDG engines 16.23 lbf⋅ft
Replace nuts.
All Audi gasoline straight-4 1.8 L BEX engines 25.81 lbf⋅ft
Replace screws. Use hot screw paste.
expand_moreAll Audi gasoline straight-4 1.8 L BFB engines
On exhaust manifold 25.81 lbf⋅ft
Replace screws. Use hot screw paste.
All Audi diesel V6 2.5 L BFC engines 16.23 lbf⋅ft
Replace nuts.
All other modifications 18.44 lbf⋅ft
Replace nuts.
expand_moreTurbocharger bracket
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
expand_moreWith 6-speed gearbox
At the turbocharger 14.75 lbf⋅ft
On the engine block 29.5 lbf⋅ft
expand_moreWith Multitronic 5-speed gearbox
At the turbocharger 14.75 lbf⋅ft
On engine mounting 18.44 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
expand_moreWith 6-speed gearbox
At the turbocharger 14.75 lbf⋅ft
On the engine block 29.5 lbf⋅ft
expand_moreWith Multitronic 5-speed gearbox
At the turbocharger 14.75 lbf⋅ft
On engine mounting 18.44 lbf⋅ft
expand_moreAll other modifications
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
Replace sealing rings.
expand_moreTurbocharger coolant return line
Union nuts 22.13 lbf⋅ft
expand_moreTurbocharger oil feed line
expand_moreAll Audi gasoline straight-4 1.8 L AMB engines
Union nuts 16.96 lbf⋅ft
expand_moreAll Audi gasoline straight-4 1.8 L BEX engines
Union nuts 16.96 lbf⋅ft
expand_moreAll Audi gasoline straight-4 1.8 L BFB engines
Banjo screws 22.13 lbf⋅ft
Union nuts 16.96 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L BFC 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 other modifications
Support 7.38 lbf⋅ft
Union nuts 16.23 lbf⋅ft
expand_moreTurbocharger oil return line
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
At the turbocharger 11.06 lbf⋅ft
Replace sealing rings.
expand_moreOn the engine block
Union nuts 29.5 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
At the turbocharger 11.06 lbf⋅ft
Replace sealing rings.
expand_moreOn the engine block
Union nuts 29.5 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L BFC engines
At the turbocharger 7.38 lbf⋅ft
Replace sealing rings.
All other modifications 7.38 lbf⋅ft
Replace sealing rings.
expand_moreCooling system
expand_moreCoolant pump
All Audi gasoline V6 2.4 L AMM engines 7.38 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 7.38 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 7.38 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 7.38 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 7.38 lbf⋅ft
All other modifications 11.06 lbf⋅ft
expand_moreFan wheel
All Audi diesel straight-4 1.9 L AVB engines 7.38 lbf⋅ft
Replace screws.
All Audi diesel straight-4 1.9 L AVF engines 7.38 lbf⋅ft
Replace screws.
All Audi diesel straight-4 1.9 L AWX engines 7.38 lbf⋅ft
Replace screws.
expand_moreAll other modifications
With twin fan 3.69 lbf⋅ft
Otherwise 2.21 lbf⋅ft
expand_moreViscous fan clutch
All Audi gasoline V6 2.4 L AMM engines 27.29 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 27.29 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L BFC engines
Screw 1 27.29 lbf⋅ft
Torques applies only in combination with special tool.
Screw 2 51.63 lbf⋅ft
Without special tool
expand_moreAll other modifications
M10 33.19 lbf⋅ft
Ribbed screw head. 20.65 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
All Audi gasoline straight-4 2.0 L ALT engines 5.9 lbf⋅ft
cross-wise from inside to outside
All Audi gasoline straight-4 1.6 L ALZ engines 16.96 lbf⋅ft
First tighten bearing covers 2 and 4 alternately and in steps
All Audi gasoline V6 3.0 L ASN engines 7.38 lbf⋅ft
Tighten in steps from inside to outside.
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 5.9 lbf⋅ft
Use new screws.
Second stage 90°
First tighten bearing covers 2 and 4 alternately and in steps
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 5.9 lbf⋅ft
Use new screws.
Second stage 90°
First tighten bearing covers 2 and 4 alternately and in steps
All Audi gasoline V6 3.0 L AVK engines 7.38 lbf⋅ft
Tighten in steps from inside to outside.
expand_moreAll Audi gasoline straight-4 2.0 L AWA engines
First stage 5.9 lbf⋅ft
Use new screws.
Second stage 90°
Tighten in steps from inside to outside.
All Audi gasoline V6 3.0 L BBJ engines 7.38 lbf⋅ft
Tighten in steps from inside to outside.
expand_moreAll Audi diesel V6 2.5 L BFC engines
Cap nuts 11.06 lbf⋅ft
Otherwise 7.38 lbf⋅ft
cross-wise from inside to outside
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 Audi gasoline V6 2.4 L AMM engines
First stage 44.25 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 29.5 lbf⋅ft
Use new screws.
Second stage 44.25 lbf⋅ft
Fourth stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 29.5 lbf⋅ft
Use new screws.
Second stage 44.25 lbf⋅ft
Fourth stage 90°
expand_moreAll Audi diesel V6 2.5 L BFC engines
First stage 25.81 lbf⋅ft
Use new screws.
Second stage 44.25 lbf⋅ft
Fourth stage 90°
expand_moreAll other modifications
First stage 29.5 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCylinder head screws shank length (new)
All Audi gasoline straight-4 2.0 L ALT engines 5 in
All Audi gasoline V6 2.4 L AMM engines 5.24 in
All Audi gasoline V6 3.0 L ASN engines 5 in
All Audi diesel straight-4 1.9 L AVB engines 6.54 in
All Audi diesel straight-4 1.9 L AVF engines 6.54 in
All Audi gasoline V6 3.0 L AVK engines 5 in
All Audi diesel straight-4 1.9 L AWX engines 6.54 in
All Audi gasoline V6 3.0 L BBJ engines 5 in
All Audi diesel V6 2.5 L BCZ engines 6.1 in
All Audi diesel V6 2.5 L BDG engines 6.1 in
All Audi gasoline V6 2.4 L BDV engines 5.24 in
All Audi diesel V6 2.5 L BFC engines 6.1 in
All other modifications 4.53 in
expand_moreRocker bridge
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 14.75 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 14.75 lbf⋅ft
Use new screws.
Second stage 90°
Valve cover 7.38 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 22.13 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreCrankshaft central screws
expand_moreAll Audi gasoline V6 2.4 L AMM engines
First stage 147.51 lbf⋅ft
Replace bolt.
Second stage 90°
Third stage 90°
expand_moreAll Audi gasoline V6 3.0 L ASN engines
First stage 147.51 lbf⋅ft
Replace screws.
Second stage 90°
Third stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 88.51 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 88.51 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreAll Audi gasoline V6 3.0 L BBJ engines
First stage 147.51 lbf⋅ft
Replace screws.
Second stage 90°
Third stage 90°
expand_moreAll Audi diesel V6 2.5 L BFC engines
First stage 147.51 lbf⋅ft
Replace screws.
Second stage 90°
Third stage 90°
expand_moreAll other modifications
First stage 66.38 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreCrankshaft pulley
All Audi gasoline straight-4 1.6 L ALZ engines 16.96 lbf⋅ft
All Audi gasoline V6 2.4 L AMM engines 16.23 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 16.96 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 16.96 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 16.96 lbf⋅ft
All Audi diesel V6 2.5 L BCZ engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 16.23 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 16.23 lbf⋅ft
expand_moreAll other modifications
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreEngine block closure screws
All Audi gasoline V6 2.4 L AMM engines 7.38 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 18.44 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 18.44 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 18.44 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 7.38 lbf⋅ft
All other modifications 25.81 lbf⋅ft
expand_moreFlywheel
expand_moreAll Audi gasoline straight-4 1.8 L AMB engines
expand_more35 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreAll Audi gasoline V6 3.0 L ASN engines
expand_more35 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
expand_moreAll Audi gasoline straight-4 1.8 L BFB engines
expand_more35 mm screws
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 180°
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 V6 2.4 L AMM engines
First stage 44.25 lbf⋅ft
Use new screws.
Second stage 90°
Tighten the screws cross-wise from inside to outside.
Lateral-fitting screw 18.44 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L ASN engines
First stage 25.81 lbf⋅ft
Use new screws.
Second stage 90°
Tighten the screws cross-wise from inside to outside.
expand_moreLateral-fitting screw
Third stage 14.75 lbf⋅ft
Fourth stage 90°
expand_moreAll Audi gasoline V6 3.0 L BBJ engines
First stage 25.81 lbf⋅ft
Use new screws.
Second stage 90°
Tighten the screws cross-wise from inside to outside.
expand_moreLateral-fitting screw
Third stage 14.75 lbf⋅ft
Fourth stage 90°
expand_moreAll Audi diesel V6 2.5 L BFC engines
expand_moreScrews 1 – 8
First stage 44.25 lbf⋅ft
Use new screws.
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 other modifications
First stage 47.94 lbf⋅ft
Use new screws.
Second stage 90°
expand_moreVibration damper
expand_moreAll Audi gasoline straight-4 2.0 L ALT engines
First stage 7.38 lbf⋅ft
Replace screws. Use screw-locking compound.
Second stage 90°
All Audi gasoline V6 2.4 L AMM engines 16.23 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 16.96 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 16.96 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 16.96 lbf⋅ft
All Audi diesel V6 2.5 L BCZ engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 16.23 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 16.23 lbf⋅ft
expand_moreAll other modifications
First stage 7.38 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreEngine control
expand_moreCamshaft adjuster
All Audi gasoline straight-4 2.0 L AWA engines 73.76 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreCamshaft drive belt deflection pulley
All Audi gasoline straight-4 2.0 L ALT engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L AMB engines 18.44 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
With friction-damped tension pulley 16.23 lbf⋅ft
With hydraulic tensioning device 14.75 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
With friction-damped tension pulley 16.23 lbf⋅ft
With hydraulic tensioning device 14.75 lbf⋅ft
expand_moreAll Audi gasoline straight-4 2.0 L AWA engines
M10 29.5 lbf⋅ft
M8 16.96 lbf⋅ft
All Audi gasoline straight-4 1.8 L BEX engines 18.44 lbf⋅ft
All Audi gasoline straight-4 1.8 L BFB engines 18.44 lbf⋅ft
All other modifications 33.19 lbf⋅ft
expand_moreCamshaft timing gear
All Audi gasoline straight-4 1.6 L ALZ engines 73.76 lbf⋅ft
expand_moreAll Audi gasoline V6 2.4 L AMM engines
Left 40.57 lbf⋅ft
Right 40.57 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L ASN engines
Left 73.76 lbf⋅ft
Right 73.76 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
Central screws 73.76 lbf⋅ft
Wheel 18.44 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
Central screws 73.76 lbf⋅ft
Wheel 18.44 lbf⋅ft
expand_moreAll Audi gasoline straight-4 2.0 L AWA engines
First stage 36.88 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreAll Audi gasoline V6 3.0 L BBJ engines
Left 73.76 lbf⋅ft
Right 73.76 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L BFC engines
Central screws 55.32 lbf⋅ft
Wheel 16.23 lbf⋅ft
All other modifications 47.94 lbf⋅ft
expand_moreControl drive chain tensioner
2.0 FSI with gasoline straight-4 2.0 L 148 HP at 6000 RPM, 200 N⋅m at 3250 RPM engine (2002.7–2004.12) 7.38 lbf⋅ft
expand_moreDrive belt tensioner device
All Audi gasoline V6 2.4 L AMM engines 7.38 lbf⋅ft
Use screw-locking compound.
All Audi gasoline V6 3.0 L ASN engines 7.38 lbf⋅ft
All Audi diesel straight-4 1.9 L AVB engines 11.06 lbf⋅ft
With hydraulic tensioning device
All Audi gasoline V6 3.0 L AVK engines 7.38 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 7.38 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 7.38 lbf⋅ft
Use screw-locking compound.
expand_moreAll Audi diesel V6 2.5 L BFC engines
M6 7.38 lbf⋅ft
Otherwise 30.98 lbf⋅ft
All other modifications 11.06 lbf⋅ft
Injection pump drive belt tensioning roller 26.55 lbf⋅ft
Inlet camshaft wheel 73.76 lbf⋅ft
Oil pump drive chain tensioner 11.06 lbf⋅ft
Outlet camshaft wheel 73.76 lbf⋅ft
expand_moreToothed belt guard
expand_moreAll Audi gasoline straight-4 1.6 L ALZ engines
M6 7.38 lbf⋅ft
Use screw-locking compound.
M8 16.96 lbf⋅ft
Use screw-locking compound.
All Audi gasoline V6 2.4 L AMM engines 7.38 lbf⋅ft
Use screw-locking compound.
All Audi gasoline straight-4 2.0 L AWA engines 7.38 lbf⋅ft
Toothed belt guard, rear
All Audi gasoline V6 2.4 L BDV engines 7.38 lbf⋅ft
Use screw-locking compound.
All other modifications 18.44 lbf⋅ft
Toothed belt guard, rear
Toothed belt guard at the bottom 7.38 lbf⋅ft
Use screw-locking compound.
expand_moreToothed belt guard at the top
All Audi gasoline V6 3.0 L ASN engines 4.43 lbf⋅ft
Replace screws.
All Audi gasoline V6 3.0 L AVK engines 4.43 lbf⋅ft
Replace screws.
All Audi gasoline V6 3.0 L BBJ engines 4.43 lbf⋅ft
Replace screws.
All other modifications 7.38 lbf⋅ft
Use screw-locking compound.
Toothed belt guard center 7.38 lbf⋅ft
Use screw-locking compound.
expand_moreToothed belt tensioning roller
All Audi gasoline straight-4 1.6 L ALZ engines 16.96 lbf⋅ft
All Audi gasoline V6 2.4 L AMM engines 16.23 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L ASN engines
expand_moreM10 × 65 screws
With tensioning roller eccentric 33.19 lbf⋅ft
expand_moreWith hydraulic tensioning device
First stage 22.13 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 14.75 lbf⋅ft
Second stage 45°
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 14.75 lbf⋅ft
Second stage 45°
All Audi gasoline straight-4 2.0 L AWA engines 16.96 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L BBJ engines
expand_moreM10 × 65 screws
With tensioning roller eccentric 33.19 lbf⋅ft
expand_moreWith hydraulic tensioning device
First stage 22.13 lbf⋅ft
Use new screw.
Second stage 90°
All Audi diesel V6 2.5 L BCZ engines 30.98 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 30.98 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 30.98 lbf⋅ft
All other modifications 19.91 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil cooler
All Audi gasoline straight-4 2.0 L ALT engines 11.06 lbf⋅ft
Replace screws.
All Audi gasoline V6 2.4 L AMM engines 22.13 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 22.13 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 22.13 lbf⋅ft
All Audi gasoline straight-4 2.0 L AWA engines 11.06 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 22.13 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 22.13 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreOil drain plug
All Audi diesel V6 2.5 L BCZ engines 18.44 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 18.44 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 18.44 lbf⋅ft
All other modifications 22.13 lbf⋅ft
expand_moreOil filter housing
expand_moreAll Audi diesel V6 2.5 L BFC engines
Cap 18.44 lbf⋅ft
Otherwise 7.38 lbf⋅ft
Tighten cross-wise.
expand_moreAll other modifications
First stage 10.33 lbf⋅ft
Use new screws.
Second stage 90°
Tighten cross-wise.
Cap 18.44 lbf⋅ft
expand_moreOil lines
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
M6 11.06 lbf⋅ft
use only property class 10.9
Screws 18.44 lbf⋅ft
Union nuts 16.23 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
M6 11.06 lbf⋅ft
use only property class 10.9
Screws 18.44 lbf⋅ft
Union nuts 16.23 lbf⋅ft
All Audi diesel V6 2.5 L BCZ engines 11.06 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 11.06 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 11.06 lbf⋅ft
expand_moreAll other modifications
Screws 22.13 lbf⋅ft
Union nuts 16.96 lbf⋅ft
expand_moreOil pump chain wheel
All Audi gasoline V6 2.4 L AMM engines 18.44 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAll Audi gasoline straight-4 2.0 L AWA engines
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 90°
All Audi gasoline V6 2.4 L BDV engines 18.44 lbf⋅ft
All other modifications 16.23 lbf⋅ft
expand_moreOil sump
expand_moreAll Audi gasoline straight-4 2.0 L ALT engines
M10 11.06 lbf⋅ft
M7 12.54 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreAll Audi gasoline V6 2.4 L AMM engines
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_moreAll Audi gasoline V6 3.0 L ASN engines
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 (M7)
Oil sump top part 11.8 lbf⋅ft
expand_moreOn the engine block (M8)
Oil sump top part 16.23 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
M10 29.5 lbf⋅ft
M7 11.06 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
M10 29.5 lbf⋅ft
M7 11.06 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L BBJ engines
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 (M7)
Oil sump top part 11.8 lbf⋅ft
expand_moreOn the engine block (M8)
Oil sump top part 16.23 lbf⋅ft
expand_moreAll Audi diesel V6 2.5 L BFC 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
expand_moreM7
Oil sump top part 11.8 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_moreAll other modifications
M10 29.5 lbf⋅ft
M7 11.06 lbf⋅ft
Gradually tighten screws crosswise.
expand_moreEngine management
Charge air pressure sensor 3.69 lbf⋅ft
Crankshaft sensor 7.38 lbf⋅ft
expand_moreGlow plugs
All Audi diesel V6 2.5 L BCZ engines 13.28 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 13.28 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 13.28 lbf⋅ft
expand_moreAll other modifications
Ceramic glow plug 8.85 lbf⋅ft
Metal glow plug 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
expand_moreEngine mounting
expand_moreAt the crossmember
Nuts 18.44 lbf⋅ft
Otherwise 16.96 lbf⋅ft
expand_moreSubframe
M10 × 70 screws 55.32 lbf⋅ft
Replace screws.
expand_moreM12 × 110 screws
First stage 81.13 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreTorque arm
expand_moreAll Audi gasoline V6 2.4 L AMM engines
M10 29.5 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreAll Audi gasoline V6 3.0 L ASN engines
M10 29.5 lbf⋅ft
M8 14.75 lbf⋅ft
All Audi diesel straight-4 1.9 L AVB engines 20.65 lbf⋅ft
All Audi diesel straight-4 1.9 L AVF engines 20.65 lbf⋅ft
All Audi diesel straight-4 1.9 L AWX engines 20.65 lbf⋅ft
expand_moreAll other modifications
M10 29.5 lbf⋅ft
M8 18.44 lbf⋅ft
expand_moreExhaust system
expand_moreCatalytic converter
expand_moreAll Audi gasoline straight-4 1.8 L BFB engines
At the turbocharger 22.13 lbf⋅ft
Replace seals and nuts.
All other modifications 18.44 lbf⋅ft
Replace seals and nuts.
expand_moreExhaust manifold
All Audi gasoline straight-4 1.8 L AMB engines 22.13 lbf⋅ft
Replace nuts.
All Audi gasoline straight-4 1.8 L BEX engines 22.13 lbf⋅ft
Replace nuts.
All Audi gasoline straight-4 1.8 L BFB engines 22.13 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
Primary catalytic converter 19.91 lbf⋅ft
Replace seals and nuts.
expand_moreFuel supply
expand_moreFuel filter bracket
expand_moreAll Audi diesel straight-4 1.9 L AVB engines
M7 11.06 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreAll Audi diesel straight-4 1.9 L AVF engines
M7 11.06 lbf⋅ft
M8 14.75 lbf⋅ft
All Audi diesel V6 2.5 L BCZ engines 3.69 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 3.69 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 3.69 lbf⋅ft
All other modifications 10.62 lbf⋅in
expand_moreIgnition system
Spark plugs 22.13 lbf⋅ft
expand_moreStart system
expand_moreStarter
All Audi gasoline V6 2.4 L AMM engines 33.19 lbf⋅ft
All Audi gasoline V6 3.0 L ASN engines 33.19 lbf⋅ft
All Audi gasoline V6 3.0 L AVK engines 33.19 lbf⋅ft
All Audi gasoline V6 3.0 L BBJ engines 33.19 lbf⋅ft
All Audi diesel V6 2.5 L BCZ engines 33.19 lbf⋅ft
All Audi diesel V6 2.5 L BDG engines 33.19 lbf⋅ft
All Audi gasoline V6 2.4 L BDV engines 33.19 lbf⋅ft
All Audi diesel V6 2.5 L BFC engines 33.19 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 2003 Audi A4 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 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 2003 Audi A4 you're not only saving money, but also also improving your technical skills and learning something new.

Units:
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