2004 Audi A4 Quattro engine fastener tightening specifications

in your garage to make future searches easy.

Condition	Value

expand_moreAir intake system


Intake manifold	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	90°90°90°


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

expand_moreAuxiliary drive belt tensioner

expand_moreAll Audi gasoline V6 3.0 L ASN engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAuxiliary drive belt tensioner


All Audi diesel V6 2.5 L AKE engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi diesel straight-4 1.9 L AVF engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screw.
All Audi diesel V6 2.5 L BAU engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi diesel V6 2.5 L BDH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
use only property class 10.9

expand_moreAir-conditioning compressor bracket


All Audi diesel V6 2.5 L AKE engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L ASN engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel straight-4 1.9 L AVF engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline V6 3.0 L AVK engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BAU engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BDH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use screw-locking compound.

expand_moreAir-conditioning compressor pressure line


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

expand_moreAlternator


All Audi gasoline straight-4 1.8 L AMB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi diesel straight-4 1.9 L AVF engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L BEX engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline straight-4 1.8 L BFB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

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	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Servo pump pulley	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreServo steering pump


All Audi diesel V6 2.5 L AKE engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L ASN engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel straight-4 1.9 L AVF engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline V6 3.0 L AVK engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BAU engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BDH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreTensioning device for air-conditioning compressor auxiliary drive belt


All Audi diesel V6 2.5 L AKE engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi diesel straight-4 1.9 L AVF engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel V6 2.5 L BAU engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi diesel V6 2.5 L BDH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreVacuum pump


All Audi diesel V6 2.5 L AKE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Audi diesel V6 2.5 L BAU engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi diesel V6 2.5 L BDH engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCarburetion


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

expand_moreInjection nozzle (injector)

expand_moreAll Audi diesel V6 2.5 L AKE engines

expand_moreAt the cylinder head


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

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace screws.
Second stage	270°270°270°

expand_moreInjection pump


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Injection pump pulley	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Do not loosen the middle nut.

expand_moreCharging

expand_moreTurbo charger


All Audi gasoline straight-4 1.8 L AMB engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. Use hot screw paste.
All Audi diesel straight-4 1.9 L AVF engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L BEX engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. Use hot screw paste.

expand_moreAll Audi gasoline straight-4 1.8 L BFB engines


On exhaust manifold	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. Use hot screw paste.


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

expand_moreTurbocharger bracket

expand_moreAll Audi diesel straight-4 1.9 L AVF engines

expand_moreWith 6-speed gearbox


At the turbocharger	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
On the engine block	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreWith Multitronic 5-speed gearbox


At the turbocharger	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
On engine mounting	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


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

expand_moreAll Audi gasoline straight-4 1.8 L AMB engines


Banjo screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreAll Audi gasoline straight-4 1.8 L BEX engines


Banjo screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreAll Audi gasoline straight-4 1.8 L BFB engines


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 Audi gasoline straight-4 1.8 L AMB engines


Union nuts	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


Support	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Union nuts	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L BEX engines


Union nuts	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L BFB engines


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

expand_moreAll other modifications


At the oil filter	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreAt the turbocharger


Banjo screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace sealing rings.

expand_moreTurbocharger oil return line

expand_moreAll Audi diesel V6 2.5 L AKE engines


At the turbocharger	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


At the turbocharger	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace sealing rings.

expand_moreOn the engine block


Union nuts	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


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

expand_moreCooling system

expand_moreCoolant pump


All Audi gasoline V6 3.0 L ASN engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V6 3.0 L AVK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreFan wheel


All Audi diesel straight-4 1.9 L AVF engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreAll other modifications


With twin fan	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Otherwise	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m

expand_moreViscous fan clutch

expand_moreAll Audi diesel V6 2.5 L AKE engines


Screw 1	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Torques applies only in combination with special tool.
Screw 2	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Without special tool

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Ribbed screw head.	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Audi diesel V6 2.5 L AKE engines


Cap nuts	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Otherwise	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
cross-wise from inside to outside

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new screws.
Second stage	90°90°90°
First tighten bearing covers 2 and 4 alternately and in steps


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 Audi diesel V6 2.5 L AKE engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Fourth stage	90°90°90°

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Fourth stage	90°90°90°

expand_moreAll other modifications


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

expand_moreCylinder head screws shank length (new)


All Audi diesel V6 2.5 L AKE engines	6.1 in6.1 in155 mm
All Audi gasoline V6 3.0 L ASN engines	5 in5 in127 mm
All Audi diesel straight-4 1.9 L AVF engines	6.54 in6.54 in166 mm
All Audi gasoline V6 3.0 L AVK engines	5 in5 in127 mm
All Audi diesel V6 2.5 L BAU engines	6.1 in6.1 in155 mm
All Audi gasoline V6 3.0 L BBJ engines	5 in5 in127 mm
All Audi diesel V6 2.5 L BDH engines	6.1 in6.1 in155 mm
All other modifications	4.53 in4.53 in115 mm

expand_moreRocker bridge

expand_more1.9 TDI quattro with diesel straight-4 1.9 L 129 HP engine (2001.11–2004.12)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screws.
Second stage	90°90°90°


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 diesel straight-4 1.9 L AVF engines

expand_moreCracked connecting rod


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 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 straight-4 1.8 L AMB engines


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

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreAll Audi gasoline straight-4 1.8 L BFB engines


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

expand_moreAll other modifications


First stage	147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreCrankshaft pulley


All Audi diesel V6 2.5 L AKE engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L ASN engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline V6 3.0 L AVK engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BAU engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BDH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine block closure screws


All Audi gasoline V6 3.0 L ASN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V6 3.0 L AVK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreFlywheel

expand_more22,5 mm screws


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

expand_more35 mm screws


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

expand_more43 mm screws


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

expand_moreMain bearing

expand_moreAll Audi diesel V6 2.5 L AKE engines

expand_moreScrews 1 – 8


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

expand_moreScrews 9 – 16


Third stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Fourth stage	90°90°90°

expand_moreLateral-fitting screw


Fifth stage	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll Audi gasoline V6 3.0 L ASN engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws.
Second stage	90°90°90°
Tighten the screws cross-wise from inside to outside.

expand_moreLateral-fitting screw


Third stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Fourth stage	90°90°90°

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws.
Second stage	90°90°90°
Tighten the screws cross-wise from inside to outside.

expand_moreLateral-fitting screw


Third stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Fourth stage	90°90°90°

expand_moreAll other modifications


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreVibration damper


All Audi diesel V6 2.5 L AKE engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L ASN engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline V6 3.0 L AVK engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BAU engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi diesel V6 2.5 L BDH engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine control


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

expand_moreCamshaft drive belt deflection pulley


All Audi gasoline straight-4 1.8 L AMB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


With friction-damped tension pulley	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
With hydraulic tensioning device	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Audi gasoline straight-4 1.8 L BEX engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L BFB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Audi diesel V6 2.5 L AKE engines


Central screws	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Wheel	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline V6 3.0 L ASN engines


Left	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Right	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


Central screws	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Wheel	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


Left	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Right	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m


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

expand_moreDrive belt tensioner device

expand_moreAll Audi diesel V6 2.5 L AKE engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m


All Audi gasoline V6 3.0 L ASN engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V6 3.0 L AVK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


Injection pump drive belt tensioning roller	26.55 lbf⋅ft26.55 lbf⋅ft36 N⋅m
Inlet camshaft wheel	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Oil pump drive chain tensioner	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle
Outlet camshaft wheel	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreToothed belt guard


1.9 TDI quattro with diesel straight-4 1.9 L 129 HP engine (2001.11–2004.12)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Toothed belt guard, rear


Toothed belt guard at the bottom	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreToothed belt guard at the top


All Audi gasoline V6 3.0 L ASN engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace screws.
All Audi gasoline V6 3.0 L AVK engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace screws.
All Audi gasoline V6 3.0 L BBJ engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace screws.
All other modifications	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 Audi diesel V6 2.5 L AKE engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreAll Audi gasoline V6 3.0 L ASN engines

expand_moreM10 × 65 screws


With tensioning roller eccentric	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreWith hydraulic tensioning device


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

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	45°45°45°


All Audi diesel V6 2.5 L BAU engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines

expand_moreM10 × 65 screws


With tensioning roller eccentric	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreWith hydraulic tensioning device


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


All Audi diesel V6 2.5 L BDH engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
All other modifications	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


All Audi gasoline V6 3.0 L ASN engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 3.0 L AVK engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 3.0 L BBJ 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 Audi diesel V6 2.5 L AKE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel V6 2.5 L BAU engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel V6 2.5 L BDH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOil filter housing

expand_moreAll Audi diesel V6 2.5 L AKE engines


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Otherwise	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten cross-wise.

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Use new screws.
Second stage	90°90°90°
Tighten cross-wise.
Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil lines


All Audi diesel V6 2.5 L AKE engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines

expand_moreM6


Screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
use only property class 10.9


Screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Union nuts	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All Audi diesel V6 2.5 L BAU engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Audi diesel V6 2.5 L BDH engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll other modifications


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

expand_moreOil pump chain wheel

expand_moreAll Audi gasoline V6 3.0 L ASN engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°


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

expand_moreOil sump

expand_moreAll Audi diesel V6 2.5 L AKE engines

expand_moreAt the sealing flange (M6)


Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAt the gearbox


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

expand_moreM7


Oil sump top part	11.8 lbf⋅ft11.8 lbf⋅ft16 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	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreAll Audi gasoline V6 3.0 L ASN engines

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 (M7)


Oil sump top part	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

expand_moreOn the engine block (M8)


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

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines

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 (M7)


Oil sump top part	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

expand_moreOn the engine block (M8)


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

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreEngine management


Charge air pressure sensor	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Crankshaft sensor	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGlow plugs


All Audi diesel V6 2.5 L AKE engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


Ceramic glow plug	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Metal glow plug	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


All Audi diesel V6 2.5 L BAU engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All Audi diesel V6 2.5 L BDH engines	13.28 lbf⋅ft13.28 lbf⋅ft18 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

expand_moreEngine mounting

expand_more1.8 T quattro with gasoline straight-4 1.8 L 168 HP engine (2001.7–2004.12)


At the crossmember	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Otherwise	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreSubframe


M10 × 70 screws	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.

expand_moreM12 × 110 screws


First stage	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreTorque arm

expand_moreAll Audi gasoline V6 3.0 L ASN engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Audi diesel straight-4 1.9 L AVF engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


At the turbocharger	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace seals and nuts.

expand_moreAll Audi gasoline straight-4 1.8 L BFB engines


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


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

expand_moreExhaust manifold


All Audi diesel V6 2.5 L AKE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace the nuts and use fitting paste
All Audi gasoline V6 3.0 L ASN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi diesel straight-4 1.9 L AVF engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi gasoline V6 3.0 L AVK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi diesel V6 2.5 L BAU engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace the nuts and use fitting paste
All Audi gasoline V6 3.0 L BBJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi diesel V6 2.5 L BDH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace the nuts and use fitting paste
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.

expand_moreExhaust pipe


All Audi gasoline straight-4 1.8 L AMB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-4 1.9 L AVF engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L BEX engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L BFB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.


Exhaust pipe bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Primary catalytic converter	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace seals and nuts.

expand_moreFuel supply

expand_moreFuel filter bracket


All Audi diesel V6 2.5 L AKE engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AVF engines


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Audi diesel V6 2.5 L BAU engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
All Audi diesel V6 2.5 L BDH engines	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
All other modifications	10.62 lbf⋅in10.62 lbf⋅in1.2 N⋅m

expand_moreIgnition system


Spark plugs	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreStart system

expand_moreStarter

expand_moreAll Audi gasoline straight-4 1.8 L AMB engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L BFB engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m


All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2004 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 2004 Audi A4 Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2004 Audi A4 Quattro generations

In 2004 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.

B7

Type 8EC

2004 Audi A4 Quattro B6 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2004 Audi A4 Quattro generations

B7

Audi A4 Quattro B6 model years

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