1999 Audi A6 Quattro engine fastener tightening specifications

expand_moreAir intake system

expand_moreIntake manifold


Audi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten the screws cross-wise from inside to outside.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley

expand_moreAll Audi gasoline V8 4.2 L ARS engines


Bottom	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreM6


Top	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreTop


Central screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Use screw-locking compound.


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

expand_moreAuxiliary drive belt tensioner


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Audi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


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

expand_moreAir-conditioning compressor


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAir-conditioning compressor bracket


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	29.5 lbf⋅ft29.5 lbf⋅ft40 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

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


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

expand_moreAudi gasoline V8 4.2 L ARS 295 HP


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


Generator bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_morePower steering pump bracket


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 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 APU 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	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreServo pump pulley


Audi gasoline straight-4 1.8 L ANB 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L APU 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AWT 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreServo steering pump


Audi gasoline straight-4 1.8 L ANB 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L APU 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AWT 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreTensioning device for air-conditioning compressor auxiliary drive belt


All Audi diesel V6 2.5 L AFB engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline straight-4 1.8 L AJL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi diesel V6 2.5 L AKN engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


AWT engine	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Vacuum pump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCarburetion


Fuel-distributing pipe	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Injection hoses	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAt the cylinder head


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

expand_moreInjection pump


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOn the engine block


M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


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

expand_moreCharging


Charge air pipes	6.64 lbf⋅ft6.64 lbf⋅ft9 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.
All Audi gasoline V6 2.7 L AJK engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
All Audi diesel V6 2.5 L AKN engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.
All Audi gasoline V6 2.7 L AZA engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

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

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

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

expand_moreAEB, AJL, ANB, APU, and ARK engines


Banjo screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAWT engine


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 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


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

expand_moreCooling system

expand_moreCoolant pump

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Audi gasoline straight-4 1.8 L AJL 177 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Property class 10.9
Audi gasoline straight-8 4.2 L ASG 295 HP	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Property class 10.9
Audi gasoline V8 4.2 L ARS 295 HP	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Property class 10.9
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

expand_moreViscous fan bracket


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_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM


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_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


Belt pulley	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Fan at bearing
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Fan clutch at belt pulley


Audi gasoline V6 2.7 L AZA 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Audi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
All other modifications	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Torques applies only in combination with special tool.

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM


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

expand_moreAudi gasoline V8 4.2 L ARS 295 HP


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Use new screws.
Second stage	90°90°90°


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

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM

Figure 1. Cylinder head, Cylinder head screws, Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws. See figure 1.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m

Figure 2. Cylinder head, Cylinder head screws, Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m.


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws. See figure 2.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAWT engine

Figure 3. Cylinder head, Cylinder head screws, Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m, AWT engine.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws. See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAudi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM

Figure 4. Cylinder head, Cylinder head screws, Audi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. See figure 4.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAudi gasoline V8 4.2 L ARS 295 HP

Figure 5. Cylinder head, Cylinder head screws, Audi gasoline V8 4.2 L ARS 295 HP.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws. See figure 5.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll other modifications

Figure 6. Cylinder head, Cylinder head screws, All other modifications.


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws. See figure 6.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreCylinder head screws shank length (new)


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	6.1 in6.1 in155 mm
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	6.1 in6.1 in155 mm

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


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


Audi gasoline straight-4 1.8 L AJL 177 HP	3.78 in3.78 in96 mm
All other modifications	5.24 in5.24 in133 mm

expand_moreRocker bridge


3.7 quattro with gasoline V8 3.7 L 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM engine (1999.3–2005.1)	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


Valve cover	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Alternately, first inside and then outside

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM


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

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


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

expand_moreAudi gasoline straight-4 1.8 L AJL 177 HP


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

expand_moreAudi gasoline V6 2.8 L ATX 188 HP

expand_moreCracked connecting rod

expand_moreM8


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

expand_moreM8,5


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_moreAudi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM


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

expand_moreAudi gasoline V8 4.2 L ARS 295 HP


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

expand_moreAll other modifications

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_moreCrankshaft central screws

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM


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

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


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

expand_moreAudi gasoline V6 2.8 L ATX 188 HP


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

expand_moreAudi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM


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

expand_moreAll other modifications


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_moreCrankshaft pulley

expand_moreAll Audi gasoline straight-4 1.8 L AEB engines


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

expand_moreClass 8.8 screws


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


All Audi gasoline V6 2.7 L AJK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V6 2.7 L AZA engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreDrive plate

expand_moreAll Audi gasoline V8 3.7 L AQG engines


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

expand_moreAll Audi gasoline V6 2.8 L ATX engines


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

expand_moreEngine block closure screws


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

expand_moreFlywheel

expand_moreAudi gasoline V6 2.4 L AJG 161 HP

expand_more22,5 mm screws


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

expand_more35 mm screws


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

expand_more43 mm screws


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

expand_moreAudi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM


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_moreAudi gasoline V8 4.2 L ARS 295 HP


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

expand_moreAll other modifications

expand_more22,5 mm screws


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

expand_more43 mm screws


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

expand_moreMain bearing

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM

expand_moreScrews 1 – 8

Figure 7. Engine block, Main bearing, Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM, Screws 1 – 8.


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws. See figure 7.
Second stage	90°90°90°

expand_moreScrews 9 – 16


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

expand_moreLateral-fitting screw


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

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


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

expand_moreAudi gasoline straight-4 1.8 L AJL 177 HP


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

expand_moreAudi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM

expand_moreScrews 1 – 16


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws. See figure 7.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°

expand_moreLateral-fitting screw


Fourth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAudi gasoline V8 4.2 L ARS 295 HP

expand_moreNuts


First stage	Tighten by hand
Replace screws and nuts.
Second stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Tighten the screws cross-wise from inside to outside.
Third stage	90°90°90°

expand_moreLateral-fitting screw


Fourth stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Fifth 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
Third stage	90°90°90°

expand_moreLateral-fitting screw


Fourth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreVibration damper

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


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

expand_moreClass 8.8 screws


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

expand_moreAudi gasoline straight-4 1.8 L AJL 177 HP


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

expand_moreClass 8.8 screws


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

expand_moreAudi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM

expand_moreOn crankshaft


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


Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


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

expand_moreEngine control

expand_moreCamshaft adjuster

expand_moreAudi gasoline V8 4.2 L ARS 295 HP


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°


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

expand_moreCamshaft drive belt deflection pulley


Audi gasoline straight-4 1.8 L AWT 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L APU 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ANB 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreCamshaft timing chain tensioner


2.8 quattro with gasoline V6 2.8 L 188 HP engine (1999.7–2001.5)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCamshaft timing gear


Audi gasoline straight-4 1.8 L AWT 148 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline straight-4 1.8 L APU 148 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline straight-4 1.8 L ANB 148 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM


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


Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll other modifications


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

expand_moreDrive belt tensioner device


Audi gasoline straight-4 1.8 L APU 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AWT 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ANB 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM


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


Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAudi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	90°90°90°
Tensioning roller	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


Audi gasoline straight-8 4.2 L ASG 295 HP	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	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.


Injection pump drive belt tensioning roller	26.55 lbf⋅ft26.55 lbf⋅ft36 N⋅m
Inlet camshaft wheel	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreOil pump drive chain tensioner


All Audi gasoline V8 4.2 L ARS engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline straight-8 4.2 L ASG engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V8 4.2 L AWN engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


AWT engine	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle


Outlet camshaft wheel	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Toothed belt guard	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreToothed belt guard at the bottom

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
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

expand_moreToothed belt guard at the top


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

expand_moreToothed belt guard center


AWT engine	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreToothed belt tensioning roller


Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAudi gasoline straight-4 1.8 L AJL 177 HP


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Audi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Audi gasoline V6 2.7 L AZA 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Audi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreToothed belt tightener


Audi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


Audi gasoline straight-4 1.8 L APU 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AWT 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ANB 148 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


Oil cooler lines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil drain plug


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Otherwise	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


Audi gasoline straight-4 1.8 L AJL 177 HP	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	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


All Audi gasoline V8 3.7 L AQG engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 4.2 L ARS engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline straight-8 4.2 L ASG engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline V8 4.2 L AWN engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll other modifications


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

expand_moreOil lines

expand_moreAll Audi diesel V6 2.5 L AFB engines


Banjo screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L AJL engines


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

expand_moreAll other modifications


Union nuts	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pump


All Audi gasoline V6 2.8 L ATX engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pump chain wheel


All Audi gasoline V6 2.7 L AJK engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 4.2 L ARS engines	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
All Audi gasoline straight-8 4.2 L ASG engines	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
All Audi gasoline V6 2.8 L ATX engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V8 4.2 L AWN engines	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
All Audi gasoline V6 2.7 L AZA engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreOil sump

expand_moreAudi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM

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


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_moreOn the engine block (M7)


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

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 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.
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreAudi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM

expand_moreM6


Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreM8


Oil sump top part	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


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

expand_moreAudi gasoline V8 3.7 L AQG 256 HP at 6000 RPM, 350 N⋅m at 3250 RPM


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAudi gasoline V8 4.2 L ARS 295 HP

expand_moreAt the gearbox


Oil sump top part	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreM7


Oil sump top part	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreM8


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


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

expand_moreAll other modifications

expand_moreM6


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

expand_moreM7


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

expand_moreM8


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


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

expand_moreEngine management


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

expand_moreCharge air pressure sensor


All Audi diesel V6 2.5 L AFB engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi diesel V6 2.5 L AKN engines	6.64 lbf⋅ft6.64 lbf⋅ft9 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	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


Audi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Audi gasoline V6 2.7 L AZA 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting


Engine bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
on the engine block

expand_moreEngine mounting


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreSubframe

expand_moreAll Audi gasoline V6 2.8 L ATX engines


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

expand_moreM12


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

expand_moreSubframe stiffening plate

expand_moreAll Audi gasoline V6 2.8 L ATX engines

expand_moreM8


With ribbing	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.
Without ribbing	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.

expand_moreM8 screws with plain washer

expand_moreWith ribbing


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

expand_moreTorque arm


Audi gasoline straight-4 1.8 L ANB 148 HP	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Audi gasoline straight-4 1.8 L AWT 148 HP	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Audi gasoline straight-4 1.8 L APU 148 HP	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Audi gasoline straight-4 1.8 L ARK 148 HP at 5700 RPM, 210 N⋅m at 1750 RPM	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Audi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Audi gasoline straight-4 1.8 L AJL 177 HP	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Audi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Audi gasoline V6 2.7 L AZA 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll other modifications


At the crossmember	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
On the engine block	29.5 lbf⋅ft29.5 lbf⋅ft40 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
All Audi diesel V6 2.5 L AKN engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


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

expand_moreExhaust manifold

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


AWT engine	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace the nuts and use fitting paste

expand_moreExhaust pipe


Audi gasoline V6 2.4 L APC 154 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L APZ 161 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L AJG 161 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L APS 162 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L AML 162 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L ARJ 162 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L ALF 162 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.4 L AGA 162 HP, 230 N⋅m	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.8 L AHA 190 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.8 L AMX 190 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.8 L AQD 190 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.8 L APR 190 HP	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.8 L ACK 190 HP at 3200 RPM, 280 N⋅m at 3200 RPM	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts.
Audi gasoline V6 2.8 L ALG 190 HP at 6000 RPM, 280 N⋅m at 3200 RPM	19.91 lbf⋅ft19.91 lbf⋅ft27 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
Replace nuts.
Primary catalytic converter	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace seals and nuts.

expand_moreFuel supply

expand_moreFuel filter bracket


Audi diesel V6 2.5 L AFB 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Audi diesel V6 2.5 L AKN 148 HP at 4000 RPM, 310 N⋅m at 1500 RPM	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m

expand_moreFuel lines

expand_moreAudi gasoline straight-4 1.8 L AEB 148 HP, 210 N⋅m


M12	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAll other modifications

expand_moreBanjo screws


M12	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


Audi gasoline V6 2.7 L AZA 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Audi gasoline V6 2.7 L AJK 227 HP at 5800 RPM, 310 N⋅m at 1700 RPM	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


Audi gasoline V6 2.8 L ATX 188 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline V8 4.2 L ARS 295 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline V8 4.2 L AWN 295 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Audi gasoline straight-8 4.2 L ASG 295 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll other modifications


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

1999 Audi A6 Quattro C5 Engine Fastener Tightening Specifications

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Audi A6 Quattro C5 model years

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