1999 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 gasoline V6 2.7 L AJK 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 Audi gasoline V6 2.7 L AJK engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second 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 2.7 L AJK engines


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

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 Audi gasoline V6 2.7 L AJK engines

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 gasoline V6 2.7 L AJK engines	30.98 lbf⋅ft30.98 lbf⋅ft42 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

expand_moreAll Audi gasoline V6 2.7 L AJK engines


First cylinder row	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Second cylinder row	40.57 lbf⋅ft40.57 lbf⋅ft55 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 gasoline V6 2.7 L AJK engines	16.23 lbf⋅ft16.23 lbf⋅ft22 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.


All Audi gasoline V6 2.7 L AJK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

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 Audi gasoline V6 2.7 L AJK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
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

1999 Audi A4 Quattro B5 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1999 Audi A4 Quattro generations

B5 facelift

Audi A4 Quattro B5 model years

Suggest edit