1998 Audi A4 Quattro engine fastener tightening specifications

expand_moreAir intake system

expand_moreIntake manifold


All Audi gasoline V6 2.6 L ABC engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi diesel straight-4 1.9 L AFN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAuxiliary assemblies


Auxiliary drive belt deflection pulley	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary drive belt tensioner


All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AEB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel V6 2.5 L AFB engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi diesel straight-4 1.9 L AFN engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline straight-4 1.8 L AFY engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AJL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel V6 2.5 L AKN engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline straight-4 1.8 L ANB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L APT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L APU engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ARG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ARK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline straight-4 1.8 L AWT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


Auxiliary drive belt tensioner	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screw.
Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Property class 10.9

expand_moreAir-conditioning compressor bracket

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


Class 10.9	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Class 8.8 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AFY engines


Class 10.9	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Class 8.8 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


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


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

expand_moreAlternator


All Audi gasoline V6 2.6 L ABC engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


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

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 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	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Servo pump pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Servo steering pump	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreTensioning device for air-conditioning compressor auxiliary drive belt


All Audi gasoline straight-4 1.8 L AJL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreVacuum pump


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

expand_moreAll other modifications


Cap	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCarburetion


Exhaust gas return cooler	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Exhaust gas return valve	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
Exhaust recirculation pipe	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreInjection hoses


All Audi diesel V6 2.5 L AFB engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi diesel straight-4 1.9 L AFN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel V6 2.5 L AKN engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll Audi diesel V6 2.5 L AFB engines

expand_moreAt the cylinder head


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


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreInjection pump

expand_moreAll Audi diesel V6 2.5 L AFB engines


On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Otherwise	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Audi diesel straight-4 1.9 L AFN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection pump pulley


All Audi diesel V6 2.5 L AFB engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Do not loosen the middle nut.

expand_moreAll Audi diesel straight-4 1.9 L AFN engines

expand_more1Z engine


AHU engine	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAHH engine


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


All Audi diesel V6 2.5 L AKN engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Do not loosen the middle nut.

expand_moreCharging


Charge air pipes	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreTurbo charger


All Audi diesel V6 2.5 L AFB engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


Nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.


All Audi diesel V6 2.5 L AKN engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.

expand_moreAll other modifications


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

expand_moreTurbocharger bracket


All Audi diesel straight-4 1.9 L AFN engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


At the turbocharger	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


All Audi diesel straight-4 1.9 L AVG engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications

expand_moreAEB, ANB, APU, and ARK engines


At the turbocharger	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAWT engine


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


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 diesel V6 2.5 L AFB engines


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_moreAll Audi diesel straight-4 1.9 L AFN engines


Support	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


Union nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications

expand_moreAEB, ANB, APU, and ARK engines


Union nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAWT engine


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

expand_moreTurbocharger oil return line

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


At the turbocharger	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.
On the engine block	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace sealing rings.


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

expand_moreCooling system

expand_moreCoolant pump


All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AEB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AFY engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AJL engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ANB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L APT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L APU engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ARG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ARK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AWT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Coolant pump pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Fan wheel	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.

expand_moreViscous fan bracket

expand_moreAll Audi diesel V6 2.5 L AFB engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreViscous fan clutch

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi diesel V6 2.5 L AFB 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 AFN engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AFY engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Audi gasoline V6 2.4 L AGA engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Audi gasoline V6 2.4 L ALF engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
All Audi gasoline V6 2.4 L AML engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
All Audi gasoline V6 2.4 L APS engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
All Audi gasoline V6 2.4 L APZ engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
All Audi gasoline V6 2.4 L ARJ engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
All other modifications	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Audi gasoline V6 2.6 L ABC engines	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
First tighten bearing covers 1 and 3

expand_moreAll Audi diesel V6 2.5 L AFB engines


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


All Audi diesel straight-4 1.9 L AFN engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
First tighten bearing covers 2 and 4
All Audi diesel straight-4 1.9 L AVG engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
First tighten bearing covers 2 and 4
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 gasoline straight-4 1.8 L AEB engines


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

expand_moreAWT engine


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

expand_moreAll Audi diesel V6 2.5 L AFB 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 AFN 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	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreCylinder head screws shank length (new)


All Audi gasoline V6 2.6 L ABC engines	5.41 in5.41 in137.5 mm
All Audi gasoline straight-4 1.8 L ADR engines	3.78 in3.78 in96 mm

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


AWT engine	4.53 in4.53 in115 mm
Otherwise	3.78 in3.78 in96 mm


All Audi diesel V6 2.5 L AFB engines	6.1 in6.1 in155 mm
All Audi diesel straight-4 1.9 L AFN engines	4.53 in4.53 in115 mm
All Audi gasoline straight-4 1.8 L AFY engines	3.78 in3.78 in96 mm
All Audi gasoline straight-4 1.8 L AJL engines	3.78 in3.78 in96 mm
All Audi diesel V6 2.5 L AKN engines	6.1 in6.1 in155 mm
All Audi gasoline straight-4 1.8 L APT engines	3.78 in3.78 in96 mm
All Audi gasoline straight-4 1.8 L ARG engines	3.78 in3.78 in96 mm
All Audi diesel straight-4 1.9 L AVG engines	4.53 in4.53 in115 mm
All other modifications	5.24 in5.24 in133 mm

expand_moreRocker bridge


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


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 gasoline V6 2.8 L ACK engines

expand_moreCracked connecting rod (M8)


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

expand_moreCracked connecting rod (M8,5)


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 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 Audi gasoline V6 2.4 L APZ engines

expand_moreCracked connecting rod (M8)


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

expand_moreCracked connecting rod (M8,5)


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 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 V6 2.6 L ABC engines


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

expand_moreAll Audi gasoline V6 2.8 L ACK engines


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

expand_moreAll Audi diesel V6 2.5 L AFB engines


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

expand_moreAll Audi gasoline V6 2.4 L APZ engines


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

expand_moreAll other modifications


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

expand_moreCrankshaft pulley


All Audi gasoline V6 2.6 L ABC engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L AEB engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


Class 10.9	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Class 8.8 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Audi gasoline straight-4 1.8 L AFY engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L AJL engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L ANB engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L APT engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L APU engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L ARG engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L ARK engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All Audi gasoline straight-4 1.8 L AWT engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
use only property class 10.9
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreDrive plate


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


Engine block closure screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreFlywheel

expand_moreAll Audi gasoline V6 2.6 L ABC engines


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

expand_moreAll Audi gasoline straight-4 1.8 L AFY engines


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

expand_moreDual-mass flywheel


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

expand_moreAll other modifications


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

expand_moreMain bearing

expand_moreAll Audi gasoline V6 2.6 L ABC engines


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

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


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

expand_moreAll Audi diesel V6 2.5 L AFB engines

expand_moreLateral-fitting screw


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

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_moreAll Audi diesel straight-4 1.9 L AFN engines


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

expand_moreAll Audi gasoline straight-4 1.8 L AFY engines


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

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


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

expand_moreAll other modifications


First stage	Tighten by hand
Use new screws.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Tighten the screws cross-wise from inside to outside.
Third stage	90°90°90°
Lateral-fitting screw	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreVibration damper

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


Class 10.9	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


Class 10.9	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Class 8.8 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


Class 10.9	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


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

expand_moreEngine control


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

expand_moreCamshaft drive belt deflection pulley


All Audi gasoline V6 2.8 L ACK engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi diesel V6 2.5 L AFB engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline V6 2.4 L AGA engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L AHA engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi diesel V6 2.5 L AKN engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline V6 2.4 L ALF engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L ALG engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.4 L AML engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L AMX engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L APR engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.4 L APS engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.4 L APZ engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.8 L AQD engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Audi gasoline V6 2.4 L ARJ engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Audi gasoline V6 2.6 L ABC engines


Left	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace bolt.
Right	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace bolt.


All Audi gasoline straight-4 1.8 L ADR engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L AEB engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll Audi diesel V6 2.5 L AFB engines


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


All Audi diesel straight-4 1.9 L AFN engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline straight-4 1.8 L AFY engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L AJL engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L ANB engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L APT engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L APU engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L ARG engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi gasoline straight-4 1.8 L ARK engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline straight-4 1.8 L AWT engines	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll other modifications


Left	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Right	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreDrive belt tensioner device

expand_moreAll Audi diesel V6 2.5 L AFB engines


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


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.


Injection pump drive belt tensioning roller	26.55 lbf⋅ft26.55 lbf⋅ft36 N⋅m
Oil pump drive chain tensioner	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle
Toothed belt guard	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Toothed belt guard, rear

expand_moreToothed belt guard at the bottom

expand_moreAll Audi gasoline V6 2.6 L ABC engines

expand_moreLeft


Top	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Otherwise	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


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

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


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


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.


Toothed belt guard at the top	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

expand_moreAll Audi gasoline V6 2.6 L ABC engines


M6	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
M8	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


All Audi diesel V6 2.5 L AFB engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
All Audi diesel straight-4 1.9 L AFN engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AFY engines


Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Otherwise	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


All Audi diesel V6 2.5 L AKN engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreToothed belt tightener


All Audi diesel straight-4 1.9 L AFN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


All Audi gasoline V6 2.8 L ACK engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L AGA engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L AHA engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L ALF engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L ALG engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L AML engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L AMX engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L APR engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L APS engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L APZ engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.8 L AQD engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L ARJ 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 gasoline V6 2.6 L ABC engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
M26	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


All Audi diesel V6 2.5 L AFB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AFY engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Audi diesel V6 2.5 L AKN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L APT engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Audi gasoline straight-4 1.8 L ARG engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOil filter housing

expand_moreAll Audi diesel V6 2.5 L AFB engines


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil lines


All Audi diesel V6 2.5 L AFB engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Audi diesel V6 2.5 L AKN engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pump chain wheel


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

expand_moreOil sump

expand_moreAll Audi gasoline V6 2.6 L ABC engines


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.
Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
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⋅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 diesel straight-4 1.9 L AFN engines

expand_moreAt the gearbox


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOn the engine block


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Otherwise	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline straight-4 1.8 L AFY engines

expand_moreAt the gearbox


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreAll other modifications

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 (M6)


Oil sump top 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
Gradually tighten screws crosswise.

expand_moreOn the engine block (M8)


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

expand_moreEngine management

expand_moreCamshaft sensor

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


Cap	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Audi gasoline straight-4 1.8 L AJL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


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

expand_moreCharge air pressure sensor


All Audi diesel V6 2.5 L AFB engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi diesel V6 2.5 L AKN engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m


Crankshaft sensor	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Glow plugs	11.06 lbf⋅ft11.06 lbf⋅ft15 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
Engine mounting	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
at subframe

expand_moreSubframe

expand_moreM10


With ribbing	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.
Without ribbing	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.

expand_moreM12 × 110 screws


First stage	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreSubframe diagonal strut


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

expand_moreSubframe stiffening plate

expand_moreM8 × 25 screws


Ribbed screw head.	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Otherwise	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreTorque arm


All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AEB engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll Audi diesel V6 2.5 L AFB engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Audi diesel straight-4 1.9 L AFN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AFY engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AJL engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
All Audi gasoline straight-4 1.8 L ANB engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
All Audi gasoline straight-4 1.8 L APT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L APU engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
All Audi gasoline straight-4 1.8 L ARG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ARK engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L AWT engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAll other modifications


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8 × 22 screws	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter


All Audi diesel V6 2.5 L AFB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace seals and nuts.

expand_moreAll Audi diesel straight-4 1.9 L AFN engines


At the turbocharger	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace seals and nuts.


All Audi diesel V6 2.5 L AKN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace seals and nuts.

expand_moreAll other modifications


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

expand_moreExhaust manifold


All Audi gasoline V6 2.6 L ABC engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.


Exhaust manifold heat shields	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreExhaust pipe


All Audi gasoline straight-4 1.8 L ADR engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L AEB engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L AFY engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L AJL engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L ANB engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L APT engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L APU engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L ARG engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L ARK engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All Audi gasoline straight-4 1.8 L AWT engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.


Exhaust pipe bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreFuel supply

expand_moreFuel filter bracket


All Audi gasoline straight-4 1.8 L AEB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi diesel V6 2.5 L AFB engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi diesel straight-4 1.9 L AFN engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Audi diesel V6 2.5 L AKN engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline straight-4 1.8 L ANB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline straight-4 1.8 L APU engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline straight-4 1.8 L ARK engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi diesel straight-4 1.9 L AVG engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Audi gasoline straight-4 1.8 L AWT engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	10.62 lbf⋅in10.62 lbf⋅in1.2 N⋅m

expand_moreFuel lines


M12	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Banjo bolts.
M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Banjo bolts.

expand_moreIgnition system

expand_moreSpark plugs


All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreStart system

expand_moreStarter


All Audi diesel V6 2.5 L AFB engines	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
All Audi diesel V6 2.5 L AKN engines	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
All other modifications	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

1998 Audi A4 Quattro B5 Engine Fastener Tightening Specifications

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Conquer your fears and never give up!

Audi A4 Quattro B5 model years

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