2003 Audi A3 Quattro engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreAll other modifications


Engine with belt control	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Engine with chain drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt deflection pulley	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAuxiliary drive belt tensioner


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAll other modifications


Engine with belt control	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Engine with chain drive	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAuxiliary drive belt tensioner

expand_moreAll other modifications

expand_moreCBAB engine

expand_moreWith tension pulley


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


Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAir-conditioning compressor bracket


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Air-conditioning compressor pressure line	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Alternator	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreGenerator bracket


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll other modifications


Engine with belt control	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreEngine with chain drive


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

expand_moreVacuum pump

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


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


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCarburetion

expand_moreExhaust recirculation pipe

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


Nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
Screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace sealing rings.

expand_moreAll other modifications

expand_moreBKD engine


Nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
Screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace sealing rings.


CBAB engine	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.

expand_moreFuel-distributing pipe


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


CBAB engine	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreHigh-pressure pump pulley


Central nuts	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Wheel	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.


Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	180°180°180°

expand_moreAll other modifications

expand_moreBKD engine


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	180°180°180°


CBAB engine	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreInjection pump

expand_moreAll other modifications

expand_moreHigh-pressure pump


Engine with belt control	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreHigh-pressure pump (M6)


Engine with chain drive	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreHigh-pressure pump (M8)


Engine with chain drive	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.

expand_moreCharging

expand_moreCharge air pipes

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


M10	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


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

expand_moreTurbocharger bracket

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


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_moreTurbocharger oil feed line

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


Support on exhaust manifold	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Support	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Union nuts	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


Support for BKD engine	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Support on exhaust manifold of BKD engine	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Support of CBAB engine	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOn the engine block of CFFB engine


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace sealing rings.


Union nuts	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreTurbocharger oil return line

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


At the turbocharger	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
Replace sealing rings.

expand_moreOn the engine block


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

expand_moreAll other modifications

expand_moreBKD engine


At the turbocharger	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
Replace sealing rings.

expand_moreOn the engine block of BKD engine


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

expand_moreCBAB engine


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

expand_moreAt the turbocharger of CBAB engine


Support	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOn the engine block of CBAB engine


Banjo screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new seal and screws.

expand_moreCFFB engine


At the turbocharger	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
Use new seal and screws.

expand_moreAt the turbocharger of CFFB engine


Support	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOn the engine block of CFFB engine


Banjo screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new seal and screws.

expand_moreCooling system

expand_moreCoolant pump


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


Coolant pump pulley	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFan wheel


All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreRadiator mounting


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
cross-wise from inside to outside

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM

expand_moreBearing cap


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	45°45°45°

expand_moreAll other modifications

expand_moreBearing casing

expand_moreEngine with belt control


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Tighten new screws in inside-to-outside order.
Second stage	90°90°90°

expand_moreCylinder head screws

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


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
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws.
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll other modifications

expand_moreEngine with belt control


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

expand_moreEngine with chain drive screws 1 – 10


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

expand_moreEngine with chain drive screws 11 – 14

expand_moreFourth stage


First step	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second step	90°90°90°

expand_moreCylinder head screws shank length (new)


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	5.87 in5.87 in149 mm

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


Long screws	5.55 in5.55 in141 mm
Short screws	4.37 in4.37 in111 mm

expand_moreAll other modifications


BKD engine	5.87 in5.87 in149 mm
CBAB engine	5.39 in5.39 in137 mm

expand_moreRocker bridge

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
First tighten bearing covers 2 and 4
Second stage	90°90°90°

expand_moreAll other modifications

expand_moreBKD engine


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

expand_moreValve cover


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten cross-wise.
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications

expand_moreBearing cap at the cylinder head

expand_moreEngine with chain drive


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Tighten new screws in inside-to-outside order.
Second stage	90°90°90°


Engine with belt control	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Valve play adjusting screw lock nuts	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreEngine block

expand_moreBalance shaft gear wheel

expand_moreAll other modifications

expand_moreCoolant pump

expand_moreEngine with chain drive


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use new screw. (left-hand thread)
Second stage	90°90°90°

expand_moreOn the engine block


Engine with chain drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreConnecting rod bearing

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


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

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace and lightly oil the screw.
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_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


First stage	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreAll other modifications


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

expand_moreCrankshaft pulley

expand_more2.0 TDI quattro with diesel straight-4 2.0 L 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM engine (2003.5–2008.6)


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

expand_moreDrive plate


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

expand_moreFlywheel


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


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

expand_moreMain bearing

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


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

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	180°180°180°

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

expand_moreAll Audi diesel straight-4 2.0 L AZV engines


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

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


Balance shaft timing chain guide rail	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Balance shaft timing chain tension rail	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreBottom part of the control unit housing

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM

expand_moreM6


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll other modifications

expand_moreEngine with chain drive


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreCamshaft adjuster

expand_moreAll other modifications

expand_moreBearing casing


Engine with chain drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine with belt control


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

expand_moreEngine with chain drive


Cap	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Central screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Left-hand thread

expand_moreCamshaft drive belt deflection pulley

expand_moreAll Audi diesel straight-4 2.0 L AZV engines

expand_moreM10


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


Nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications

expand_moreEngine with belt control


Bottom	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Top	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing chain slip rail

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


Screws	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Threaded screws	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreAll other modifications


Engine with chain drive	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCamshaft timing chain tensioner


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


Engine with belt control	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Engine with chain drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCamshaft timing gear

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


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

expand_moreAll other modifications

expand_moreEngine with belt control


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	180°180°180°


Control drive chain tensioner	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreControl drive sprocket wheel


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

expand_moreControl drive timing chain slip rail


Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Drive chain balance shaft tensioner	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreInlet camshaft wheel

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


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

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


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

expand_moreAll other modifications

expand_moreBKD engine


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

expand_moreIntermediate shaft chain sprocket

expand_moreAll other modifications

expand_moreEngine with chain drive


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace the screws and sprocket wheel.
Second stage	for freedom from play

expand_moreThird stage


First step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second step	90°90°90°

expand_moreOil pump drive chain tensioner


All Audi diesel straight-4 2.0 L AZV engines	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle

expand_moreAll other modifications


Engine with belt control	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Engine with chain drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOutlet camshaft wheel

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


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

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


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

expand_moreAll other modifications

expand_moreEngine with chain drive (M6)


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine with chain drive (M8)


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


Tension rail bearing screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Toothed belt guard	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreToothed belt guard at the bottom


All Audi diesel straight-4 2.0 L AZV engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreAll other modifications


Otherwise	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
Two-piece	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m


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

expand_moreToothed belt tensioning roller

expand_moreAll other modifications


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

expand_moreTop part of control unit housing

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll other modifications


Engine with belt control	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Engine with chain drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


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


Oil drain plug	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.

expand_moreOil filter housing

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOn the engine block


First stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Tighten cross-wise.
Second stage	90°90°90°


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications

expand_moreBKD engine


First stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCBAB engine


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pressure sensor


All Audi diesel straight-4 2.0 L AZV engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.


Oil pump	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

expand_moreOil pump chain wheel


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

expand_moreOil sump

expand_moreAudi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
On the engine block	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Gradually tighten screws crosswise.

expand_moreAll other modifications


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreEngine management


Camshaft sensor	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreCharge air pressure sensor


All Audi diesel straight-4 2.0 L AZV engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCrankshaft sensor


All other modifications	3.32 lbf⋅ft3.32 lbf⋅ft4.5 N⋅m


Exhaust gas temperature sensor	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Use hot screw paste

expand_moreGlow plugs


All Audi diesel straight-4 2.0 L AZV engines	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m

expand_moreAll other modifications


BKD engine	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m
CBAB engine	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use hot screw paste

expand_moreEngine mounting

expand_moreEngine bracket


Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
on the engine block
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
on the engine block
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
on the engine block

expand_moreAll other modifications


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

expand_moreVehicles with chassis number from 8P-7-000 001


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreEngine mounting

expand_moreAudi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM

expand_moreOn chassis


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

expand_moreOn engine bracket


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

expand_moreStrut


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

expand_moreAll other modifications

expand_moreOn chassis


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

expand_moreOn engine bracket


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

expand_moreStrut


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

expand_moreSubframe

expand_moreOn chassis


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreTorque arm

expand_moreAll other modifications

expand_moreAt the subframe


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAt the gearbox


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

expand_moreExhaust system


Catalytic converter bracket	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreExhaust manifold


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.

expand_moreAll other modifications


Bottom	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
Top	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.

expand_moreExhaust manifold heat shields


All Audi diesel straight-4 2.0 L AZV engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreAll other modifications


BKD engine	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
CBAB engine	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
CFFB engine	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreExhaust pipe


Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace nuts.
Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace nuts.
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace nuts.
All other modifications	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreExhaust pipe bracket


Audi gasoline V6 3.2 L BUB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline vr-6 3.2 L BMJ 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline vr-6 3.2 L BDB 247 HP at 6300 RPM, 320 N⋅m at 2500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


Strut	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Other	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Particle filter bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreFuel supply

expand_moreFuel filter bracket


Audi diesel straight-4 2.0 L AZV 134 HP at 4000 RPM, 320 N⋅m at 1750 RPM	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All other modifications	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m

expand_moreIgnition system


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

expand_moreStart system

expand_moreStarter


All other modifications	59 lbf⋅ft59 lbf⋅ft80 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2003 Audi A3 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

Chassis and Body Fastener Tightening Specifications
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 A3 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 2003 Audi A3 Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2003 Audi A3 Quattro generations

In 2003 Audi offered 2 generations of the A3 Quattro. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

First generation facelift

Type 8L1

2003 Audi A3 Quattro Second generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2003 Audi A3 Quattro generations

First generation facelift

Audi A3 Quattro Second generation model years

Suggest edit