1996 Audi A6 Avant Quattro engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Audi gasoline V6 2.8 L ACK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
tighten gradually cross-wise
All Audi gasoline straight-4 1.8 L ADR engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


1.8 quattro with gasoline straight-4 1.8 L 123 HP, 173 N⋅m engine (1995.12–1997.12)	33.19 lbf⋅ft33.19 lbf⋅ft45 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 diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


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

expand_moreAir-conditioning compressor bracket

expand_moreAll Audi gasoline straight-4 1.8 L ADR 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

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


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

expand_moreAll Audi gasoline straight-4 1.8 L ADR 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-5 2.5 L AEL engines	33.19 lbf⋅ft33.19 lbf⋅ft45 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

expand_morePower steering pump bracket


All Audi gasoline straight-4 2.0 L ACE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreServo pump pulley


All Audi gasoline straight-4 2.0 L ACE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreServo steering pump


All Audi gasoline straight-4 2.0 L ACE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreTensioning device for air-conditioning compressor auxiliary drive belt


1.8 quattro with gasoline straight-4 1.8 L 123 HP, 173 N⋅m engine (1995.12–1997.12)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreVacuum pump


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCarburetion

expand_moreInjection pump drive wheel


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m

expand_moreInjection hoses


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreInjection pump


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection pump pulley


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreCharging

expand_moreTurbo charger


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreCooling system

expand_moreCoolant pump


All Audi gasoline straight-4 2.0 L ACE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 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

expand_moreViscous fan bracket

expand_moreAll Audi gasoline V6 2.8 L ACK engines


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


All Audi diesel straight-5 2.5 L AEL engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreRadiator mounting


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

expand_moreViscous fan clutch


All Audi gasoline V6 2.8 L ACK engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Torques applies only in combination with special tool.
All Audi diesel straight-5 2.5 L AEL engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Audi gasoline straight-4 2.0 L ACE engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
First tighten bearing covers 2 and 4 alternately and in steps
All Audi gasoline V6 2.8 L ACK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
First tighten bearing covers 2 and 4 alternately and in steps
All Audi gasoline straight-4 1.8 L ADR engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
First tighten bearing covers 2 and 4 alternately and in steps
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
First tighten bearing covers 2 and 4 alternately and in steps

expand_moreCylinder head screws

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines

Figure 1. Cylinder head, Cylinder head screws, Audi gasoline straight-4 2.0 L ACE.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 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_moreAll Audi diesel straight-5 2.5 L AEL engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 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_moreAll other modifications

Figure 2. Cylinder head, Cylinder head screws, All other modifications.


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_moreCylinder head screws shank length (new)


All Audi gasoline straight-4 2.0 L ACE engines	5.59 in5.59 in142 mm
All Audi gasoline V6 2.8 L ACK engines	5.24 in5.24 in133 mm
All Audi gasoline straight-4 1.8 L ADR engines	3.78 in3.78 in96 mm
All Audi diesel straight-5 2.5 L AEL engines	4.53 in4.53 in115 mm
All other modifications	5.41 in5.41 in137.5 mm

expand_moreValve cover


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Alternately, first inside and then outside

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 other modifications


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

expand_moreCrankshaft central screws

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


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

expand_moreAll Audi gasoline straight-4 1.8 L ADR engines


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

expand_moreAll Audi diesel straight-5 2.5 L AEL engines


First stage	147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Use new screws.
Second stage	270°270°270°

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 2.0 L ACE engines


Class 10.9	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Class 8.8 screws	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 diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


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

expand_moreFlywheel

expand_moreAll Audi gasoline straight-4 2.0 L ACE 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 2.8 L ACK engines

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_moreAll Audi diesel straight-5 2.5 L AEL engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
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_moreAll Audi gasoline straight-4 2.0 L ACE 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 ADR engines


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

expand_moreAll Audi diesel straight-5 2.5 L AEL engines


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

expand_moreAll other modifications

expand_moreM11


First stage	Tighten by hand
Use new screws.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
cross-wise from inside to outside
Third stage	90°90°90°

expand_moreLateral-fitting screw


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

expand_moreVibration damper

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


Class 10.9	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Class 8.8 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L ADR 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 gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi diesel straight-5 2.5 L AEL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


M10	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 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.

expand_moreAll Audi gasoline V6 2.8 L ACK engines


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

expand_moreAll Audi diesel straight-5 2.5 L AEL engines

expand_moreFront


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


Rear	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m


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

expand_moreDrive belt tensioner device


All Audi gasoline V6 2.8 L ACK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
All Audi gasoline straight-4 1.8 L ADR engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreInjection pump drive belt tensioning roller


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreToothed belt guard


All Audi gasoline straight-4 2.0 L ACE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Toothed belt guard, rear
All Audi gasoline straight-4 1.8 L ADR engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Toothed belt guard, rear
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.

expand_moreToothed belt guard at the bottom

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


Nuts	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Audi gasoline V6 2.8 L ACK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline straight-4 1.8 L ADR engines


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

expand_moreAll Audi diesel straight-5 2.5 L AEL engines


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

expand_moreAll other modifications

expand_moreLeft


Top	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


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

expand_moreToothed belt guard at the top

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


Screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Audi gasoline V6 2.8 L ACK engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi diesel straight-5 2.5 L AEL engines


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

expand_moreToothed belt tensioning roller

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


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


All Audi gasoline V6 2.8 L ACK engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Audi diesel straight-5 2.5 L AEL engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


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

expand_moreEngine lubrication

expand_moreOil cooler


All Audi gasoline straight-4 2.0 L ACE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOil drain plug


All Audi gasoline straight-4 2.0 L ACE engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreOil lines

expand_more2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Union nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


One-part sump	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.

expand_moreAll Audi gasoline V6 2.8 L ACK engines

expand_moreAt the gearbox (M10)


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

expand_moreAt the gearbox (M8)


Oil sump top part	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


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

expand_moreOn the engine block


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 ADR 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.

expand_moreAll Audi diesel straight-5 2.5 L AEL engines


Sheet-steel sump	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Gradually tighten screws crosswise.

expand_moreAll other modifications

expand_moreAt the gearbox


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


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

expand_moreOn the engine block


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

expand_moreEngine management


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

expand_moreGlow plugs


2.5 TDI quattro with diesel straight-5 2.5 L 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM engine (1995.7–1997.12)	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

expand_moreEngine mounting


All Audi gasoline straight-4 2.0 L ACE engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Audi gasoline V6 2.8 L ACK engines


On chassis	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
On engine bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Audi diesel straight-5 2.5 L AEL engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreTorque arm

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines

expand_moreAt the crossmember


With air-conditioning	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Without air-conditioning system	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOn the engine block


With air-conditioning	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Without air-conditioning system	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


All Audi diesel straight-5 2.5 L AEL engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


At the crossmember	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
On the engine block	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
Replace screws.

expand_moreExhaust system

expand_moreCatalytic converter


Front	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


Exhaust manifold	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Exhaust pipe	22.13 lbf⋅ft22.13 lbf⋅ft30 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 2.0 L ACE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi diesel straight-5 2.5 L AEL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreFuel lines

expand_moreAll Audi gasoline straight-4 2.0 L ACE engines


Fuel lines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Pressure controller	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Audi gasoline V6 2.8 L ACK engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline straight-4 1.8 L ADR engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Banjo bolts.

expand_moreIgnition system


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

expand_moreStart system

expand_moreStarter


All Audi gasoline straight-4 1.8 L ADR engines	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

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1996 Audi A6 Avant Quattro user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A6 Avant Quattro service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 1996 Audi A6 Avant Quattro you're not only saving money, but also also improving your technical skills and learning something new.

1996 Audi A6 Avant Quattro C4 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 Avant Quattro C4 model years

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