2013 Audi A6 Avant Quattro engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Induction-pipe flap control unit	5.53 lbf⋅ft5.53 lbf⋅ft7.5 N⋅m

expand_moreIntake manifold


All Audi diesel V6 3.0 L CGQB engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CGWD engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


Lower section of intake manifold	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Tighten new screws crosswise in inside-to-outside order.
Upper section of intake manifold	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll other modifications


First stage	Screw in new screw(s) manually as far as it goes.
Gradually tighten screws crosswise.
Second stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Third stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreIntake manifold support

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


All Audi diesel V6 3.0 L CGQB engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


Compressor belt	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
Otherwise	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


All Audi gasoline V6 2.8 L CHVA engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.

expand_moreAuxiliary drive belt tensioner

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


Compressor belt	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Otherwise	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


All Audi gasoline V6 2.8 L CHVA engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAir-conditioning compressor


All Audi diesel V6 3.0 L CGQB engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V6 3.0 L CGWD engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Audi gasoline V6 2.8 L CHVA engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications

expand_moreAluminium screws


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	180°180°180°


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

expand_moreAir-conditioning compressor bracket


All Audi diesel V6 3.0 L CGQB engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Second stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Third stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Control tensioner

expand_moreAir-conditioning compressor pressure line

expand_moreAll Audi diesel V6 3.0 L CGQB engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAlternator


All Audi diesel V6 3.0 L CGQB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


Nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Stud screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


All Audi gasoline V6 2.8 L CHVA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreGenerator bracket


All Audi diesel V6 3.0 L CGQB engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Second stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Third stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Control tensioner

expand_moreCarburetion

expand_moreExhaust gas return cooler


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

expand_moreExhaust gas return valve


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

expand_moreExhaust recirculation pipe


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

expand_moreFuel-distributing pipe


All Audi gasoline V6 3.0 L CGWD engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 2.8 L CHVA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreHigh-pressure line


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

expand_moreHigh-pressure pump


All Audi gasoline V6 3.0 L CGWD engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


First stage	Screw in manually up to stop.
Replace screws.
Second stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Third stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


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

expand_moreHigh-pressure pump pulley


All other modifications	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace nuts.

expand_moreInjection hoses


3.0 TDI quattro with diesel V6 3.0 L 308 HP engine (2011.11–)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll Audi diesel V6 3.0 L CGQB engines


Retaining clamp	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreAll other modifications


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Use new screw.
Second stage	90°90°90°


Pressure tube connection	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace components.

expand_moreCharging

expand_moreCharge air compressor

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


Nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Stud screws	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m

expand_moreTurbo charger

expand_moreAll other modifications


Clamps	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreTurbocharger coolant feed line


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

expand_moreTurbocharger coolant return line


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

expand_moreCooling system

expand_moreCoolant pump

expand_moreAll Audi diesel V6 3.0 L CGQB engines


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Use new screws and tighten them crosswise.
Second stage	90°90°90°


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

expand_moreCoolant pump pulley


All Audi gasoline V6 3.0 L CGWD engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 2.8 L CHVA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Fan wheel	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreRadiator mounting

expand_moreAll other modifications


Bottom	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Audi diesel V6 3.0 L CDUC engines


First stage	Screw in screw(s) by hand.
Note correct order of tensioning.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


All Audi diesel V6 3.0 L CGQB engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Tighten in steps from inside to outside.

expand_moreAll Audi gasoline V6 3.0 L CGWD engines

Figure 1. Cylinder head, Camshaft bearing, Audi gasoline V6 3.0 L CGWD.


First stage	Screw in screw(s) by hand.
Replace screws. See figure 1.

expand_moreSecond stage


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines

Figure 2. Cylinder head, Camshaft bearing, Audi gasoline V6 2.8 L CHVA.


First stage	Screw in screw(s) by hand.
See figure 2.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	90°90°90°

expand_moreAll other modifications

expand_moreLeft cylinder head


First stage	Tighten bolt(s) until hand-tight.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreRight cylinder head

Figure 3. Cylinder head, Camshaft bearing, All other modifications, Right cylinder head.


First stage	Screw in screw(s) by hand.
See figure 3.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCylinder head screws

expand_moreAll Audi gasoline V6 3.0 L CGWD engines

expand_moreScrews 1 – 8

Figure 4. Cylinder head, Cylinder head screws, Audi gasoline V6 3.0 L CGWD, Screws 1 – 8.


First stage	Screw in screw(s) by hand.
Replace screws. See figure 4.
Second stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreScrew 9

expand_moreFifth stage


First step	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Second step	90°90°90°

expand_moreAll Audi gasoline V6 2.8 L CHVA engines

expand_moreScrews 1 – 7


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

expand_moreScrew 8


Fourth stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Fifth stage	90°90°90°
Sixth stage	90°90°90°

expand_moreScrew 9

expand_moreSeventh stage


First step	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Second step	180°180°180°

expand_moreWithout recess (screws 1 – 8)


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws. See figure 4.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreWithout recess (screw 9)

expand_moreFourth stage


First step	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Second step	180°180°180°

expand_moreAll Audi diesel V6 3.0 L CLAA engines

Figure 5. Cylinder head, Cylinder head screws, Audi diesel V6 3.0 L CLAA.


First stage	Tighten by hand
Replace screws. See figure 5.
Second stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Third stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreAll other modifications

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


First stage	Screw in screw(s) by hand.
Replace screws. See figure 6.
Second stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°
Sixth stage	90°90°90°

expand_moreValve cover

expand_moreAll Audi diesel V6 3.0 L CDUC engines

Figure 7. Cylinder head, Valve cover, Audi diesel V6 3.0 L CDUC.


First stage	Screw in screw(s) by hand.
Replace screws. See figure 7.

expand_moreSecond stage


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

expand_moreAll Audi diesel V6 3.0 L CGQB engines


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


All Audi gasoline V6 3.0 L CGWD engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
See figure 8.

All Audi gasoline V6 2.8 L CHVA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
See figure 8.

expand_moreAll other modifications


First stage	Screw in screw(s) by hand.
Tighten screws crosswise.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine block

expand_moreBalance shaft gear wheel

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°
Central screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CHVA engines

expand_moreSprocket wheel


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

expand_moreAll Audi diesel V6 3.0 L CLAA engines


Central screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreCentral nuts


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Shaft must be replaced when the screw connection has been loosened.
Second stage	90°90°90°


Wheel	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace screws.

expand_moreBalance shaft module

expand_moreAll other modifications

expand_moreBalance weight


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


On the engine block	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace screws.

expand_moreConnecting rod bearing

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreAll other modifications


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.
Second stage	90°90°90°


Crankcase ventilation	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCrankshaft central screws

expand_moreAll other modifications


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreDrive plate

expand_moreOn crankshaft


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


Engine block closure screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Flywheel	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.

expand_moreMain bearing

expand_moreAll Audi diesel V6 3.0 L CDUC engines


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

expand_moreSecond stage


First step	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second step	180°180°180°

expand_moreAll Audi diesel V6 3.0 L CGQB engines


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

expand_moreSecond stage


First step	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
first tighten crosswise inside, then outside
Second step	180°180°180°

expand_moreAll Audi gasoline V6 3.0 L CGWD engines

expand_moreScrews 1 – 16


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	90°90°90°


Screws 17 – 31	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CHVA engines

expand_moreScrews 1 – 16


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreScrews 17 – 31


Third stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Fourth stage	90°90°90°

expand_moreAll other modifications


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Third stage	180°180°180°

expand_moreVibration damper

expand_moreAll other modifications


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

expand_moreEngine control

expand_moreBottom part of the control unit housing

expand_moreScrew 10


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Fourth stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreScrews 1 – 9


Second stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Third stage	90°90°90°

expand_moreScrews 6 – 8


Fifth stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Sixth stage	90°90°90°

expand_moreScrew 9


Sixth stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Seventh stage	180°180°180°

expand_moreCamshaft adjuster


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCamshaft drive belt deflection pulley

expand_moreCamshaft timing chain slip rail


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

expand_moreCamshaft timing chain tensioner


All Audi gasoline V6 3.0 L CGWD engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll other modifications


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

expand_moreCamshaft timing chain tensioning rail


3.0 TDI quattro with diesel V6 3.0 L 308 HP engine (2011.11–)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCamshaft timing gear


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreChain tensioner

expand_moreHigh-pressure pump


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

expand_moreControl drive chain tensioner


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

expand_moreControl drive chain tensioning rail


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

expand_moreControl drive sprocket wheel

expand_moreAll Audi gasoline V6 3.0 L CGWD engines

expand_moreAt the bearing pedestal

expand_moreScrews


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreBearing pedestal


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

expand_moreCentral screws


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines

expand_moreM10


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

expand_moreM6


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

expand_moreControl drive timing chain slip rail

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreAll other modifications


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

expand_moreDrive chain balance shaft tensioner

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreInlet camshaft wheel

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screw.
Second stage	90°90°90°


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace screws.

expand_moreOil pump drive chain tensioner

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	45°45°45°


All Audi gasoline V6 2.8 L CHVA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.

expand_moreAll other modifications


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

expand_moreOutlet camshaft wheel

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screw.
Second stage	90°90°90°


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace screws.


Tension rail bearing screws	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreTensioning chain of oil pump drive chain


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

expand_moreTiming case cover

expand_moreAll Audi diesel V6 3.0 L CDUC engines

expand_moreScrews 1 – 4

Figure 9. Engine control, Timing case cover, Audi diesel V6 3.0 L CDUC, Screws 1 – 4.


First stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
See figure 9.

expand_moreScrews 5 – 24


Second stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Third stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Control tensioner
Fifth stage	90°90°90°

expand_moreScrews 5 – 10


Fourth stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGWD engines

expand_moreScrews 1 – 11

Figure 10. Engine control, Timing case cover, Audi gasoline V6 3.0 L CGWD, Screws 1 – 11.


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws. See figure 10.

expand_moreScrews 1, 2, 3, 5, 6, and 8


Second stage	90°90°90°

expand_moreScrews 9 – 11

expand_moreThird stage


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

expand_moreScrew 4


Fourth stage	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

expand_moreScrew 7

expand_moreFifth stage


First step	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second step	180°180°180°

expand_moreAll other modifications


First stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	90°90°90°

expand_moreTiming case cover first cylinder row

expand_moreAll Audi diesel V6 3.0 L CGQB engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace bolts and tighten crosswise.
Second stage	90°90°90°

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreAll other modifications


First stage	Screw in screw(s) by hand.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Control tensioner
Fourth stage	90°90°90°

expand_moreTiming case cover second cylinder row

expand_moreAll Audi diesel V6 3.0 L CGQB engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace bolts and tighten crosswise.
Second stage	90°90°90°

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreAll other modifications


First stage	Screw in screw(s) by hand.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Control tensioner
Fourth stage	90°90°90°

expand_moreToothed belt guard at the bottom

expand_moreToothed belt guard at the top

expand_moreToothed belt tensioning roller

expand_moreEngine lubrication

expand_moreOil cooler

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Second stage	90°90°90°

expand_moreAll other modifications


First stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
Gradually tighten screws crosswise.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


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

expand_moreOil filter

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Slightly oil sealing lips.

expand_moreAll other modifications


Oil filter cover	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Slightly oil sealing lips.

expand_moreOil filter housing

expand_moreAll Audi diesel V6 3.0 L CGQB engines


Oil filter cover	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
On the engine block	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Screws	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


All Audi gasoline V6 2.8 L CHVA engines	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil pressure sensor


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

expand_moreOil pump

expand_moreAll Audi diesel V6 3.0 L CGQB engines


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


All Audi gasoline V6 3.0 L CGWD engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 2.8 L CHVA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll other modifications


First stage	Screw in screw(s) by hand
Replace screws.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	90°90°90°

expand_moreOil pump chain wheel

expand_moreAll Audi gasoline V6 3.0 L CGWD engines


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreAll other modifications


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreOil sump

expand_moreAll Audi diesel V6 3.0 L CDUC engines

Figure 11. Engine lubrication, Oil sump, Audi diesel V6 3.0 L CDUC.

expand_moreOil sump lower part
See figure 11.


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

Figure 12. Engine lubrication, Oil sump, Audi diesel V6 3.0 L CDUC.

expand_moreOil sump top part
See figure 12.


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°
Locking screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
TDC marking.

expand_moreAll Audi diesel V6 3.0 L CGQB engines

expand_moreOil sump lower part


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Use new screws and tighten them crosswise.
Second stage	90°90°90°

expand_moreOil sump top part


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Tighten new screws crosswise in outside-to-inside order.
Second stage	90°90°90°
Locking screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
TDC marking.

expand_moreAll Audi gasoline V6 3.0 L CGWD engines

Figure 13. Engine lubrication, Oil sump, Audi gasoline V6 3.0 L CGWD.

expand_moreOil sump lower part
See figure 13.


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

expand_moreOil sump top part


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

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


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

expand_moreOil sump top part


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

expand_moreAll other modifications

expand_moreOil sump lower part


First stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
See figure 13.
Second stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Third stage	45°45°45°

expand_moreOil sump top part


First stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
Second stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Third stage	180°180°180°

expand_moreEngine management

expand_moreCamshaft sensor


All Audi diesel V6 3.0 L CGQB engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CGWD engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 2.8 L CHVA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All other modifications	5.53 lbf⋅ft5.53 lbf⋅ft7.5 N⋅m

expand_moreCharge air pressure sensor


All other modifications	5.53 lbf⋅ft5.53 lbf⋅ft7.5 N⋅m

expand_moreCrankshaft sensor


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

expand_moreExhaust gas temperature sensor


All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Use hot screw paste

expand_moreGlow plugs


All Audi diesel V6 3.0 L CGQB engines	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
All other modifications	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m


Knock sensor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use hot screw paste
NOx sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket


All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreEngine mounting


At the subframe	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreOn engine bracket


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

expand_moreExtension cross support on subframe

expand_moreSubframe

expand_moreM12 × 100 screws


First stage	84.82 lbf⋅ft84.82 lbf⋅ft115 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreM12 × 35 screws


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreM12 × 55 screws


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreSubframe diagonal strut

expand_moreM12 × 35 screws


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Use new screws.
Second stage	180°180°180°

expand_moreM12 × 55 screws


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Use new screws.
Second stage	180°180°180°

expand_moreTorque arm


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


Torque support bracket	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreExhaust system


Catalytic converter	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace the nuts and use fitting paste
Catalytic converter bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreDiesel particulate filter


All Audi diesel V6 3.0 L CDUC engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts. Use hot screw paste.
All Audi diesel V6 3.0 L CDUD engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts. Use hot screw paste.
All Audi diesel V6 3.0 L CKVB engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts. Use hot screw paste.
All Audi diesel V6 3.0 L CKVC engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts. Use hot screw paste.

expand_moreAll other modifications


At the turbocharger	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Otherwise	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Differential pressure sensor lines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Use hot screw paste

expand_moreExhaust manifold

expand_moreAll Audi diesel V6 3.0 L CDUC engines


At the cylinder head	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts. Use hot screw paste.

expand_moreAt the turbocharger


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

expand_moreAll Audi diesel V6 3.0 L CGQB engines


At the cylinder head	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts. Use hot screw paste.

expand_moreAt the turbocharger


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


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tighten new nuts evenly in several steps.


Exhaust manifold heat shields	7.38–8.85 lbf⋅ft7.38–8.85 lbf⋅ft10–12 N⋅m
Exhaust pipe	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.
Exhaust pipe bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreExhaust pipe rear

expand_moreAll other modifications


Clamps	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreParticle filter bracket

expand_moreAll other modifications


First stage	Screw in manually up to stop.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


Primary catalytic converter	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.

expand_moreFuel supply


Fuel filter bracket	1.55 lbf⋅ft1.55 lbf⋅ft2.1 N⋅m
Fuel pump	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m

expand_moreIgnition system


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

expand_moreStart system

expand_moreStarter

expand_moreAll Audi gasoline V6 2.8 L CHVA engines


M10 × 50 screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreM12 × 100 screws


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Reuse screws only 1 times.
Second stage	90°90°90°

expand_moreAll other modifications


M10 × 50 screws	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreM12


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

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2013 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 2013 Audi A6 Avant Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2013 Audi A6 Avant Quattro C7 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 Avant Quattro C7 model years

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