2012 Audi A7 Sportback 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 other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
tighten gradually cross-wise

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley

expand_moreAll Audi gasoline V6 3.0 L CGWB engines


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

expand_moreAll Audi gasoline V6 3.0 L CGXB 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 Audi gasoline V6 2.8 L CNYA engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAuxiliary drive belt tensioner

expand_moreAll Audi gasoline V6 3.0 L CGWB engines


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

expand_moreAll Audi gasoline V6 3.0 L CGXB 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
All Audi gasoline V6 2.8 L CNYA 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 compressor


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

expand_moreAir-conditioning compressor


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

expand_moreAir-conditioning compressor bracket

expand_moreAll Audi gasoline V6 3.0 L CGXB engines


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


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

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 diesel V6 3.0 L CLAA engines


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CNYA 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 gasoline V6 3.0 L CGWB engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGXB 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 3.0 L CHMA engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreGenerator bracket


All Audi gasoline V6 3.0 L CGWB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L CHMA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


Vacuum pump	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCarburetion


Exhaust gas return cooler	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Exhaust gas return valve	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 3.0 L CGXB 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 Audi gasoline V6 2.8 L CNYA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CTTA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CTUA 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
Oil thread.

expand_moreHigh-pressure pump


All Audi diesel V6 3.0 L CGQB engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreHigh-pressure pump pulley

expand_moreAll other modifications


Central nuts	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m


Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll other modifications


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

expand_moreInjection pump

expand_moreAll Audi gasoline V6 3.0 L CGWB engines


At the cylinder head	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
High-pressure pump	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Tighten bolts uniformly in several passes.

expand_moreAll other modifications


High-pressure pump	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreCharging

expand_moreCharge air compressor

expand_moreAll other modifications


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

expand_moreCoolant pump pulley


All Audi gasoline V6 3.0 L CGWB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L CGWD engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L CGXB engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L CHMA 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 Audi gasoline V6 2.8 L CNYA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L CTTA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L CTUA engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Coolant thermostat housing	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Fan wheel	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreRadiator mounting


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 CGXB engines

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


First stage	Screw in screw(s) by hand.
Replace screws. See figure 1.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	90°90°90°

expand_moreAll Audi diesel V6 3.0 L CLAA engines


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

expand_moreAll other modifications

expand_moreBearing casing


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

expand_moreCylinder head screws

expand_moreAll Audi diesel V6 3.0 L CDUC engines

Figure 2. Cylinder head, Cylinder head screws, Audi diesel V6 3.0 L CDUC.


First stage	Tighten by hand
Replace screws. See figure 2.
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 Audi diesel V6 3.0 L CGQB engines


First stage	Tighten by hand
Replace screws. See figure 2.
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 Audi gasoline V6 3.0 L CGWB engines

expand_moreScrews 1 – 8

Figure 3. Cylinder head, Cylinder head screws, Audi gasoline V6 3.0 L CGWB, Screws 1 – 8.


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

expand_moreScrews (M6)

expand_moreFourth stage


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

expand_moreAll Audi gasoline V6 3.0 L CGXB engines

expand_moreScrews 1 – 8

Figure 4. Cylinder head, Cylinder head screws, Audi gasoline V6 3.0 L CGXB, 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


Fifth stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws.
Sixth stage	90°90°90°

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	Screw in screw(s) by hand.
Replace screws. See figure 5.

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

expand_moreAll Audi gasoline V6 2.8 L CNYA 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)

Figure 6. Cylinder head, Cylinder head screws, Audi gasoline V6 2.8 L CNYA, Without recess (screws 1 – 8).


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws. See figure 6.
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 other modifications

Figure 7. Cylinder head, Cylinder head screws, All other modifications.


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

expand_moreAll Audi diesel V6 3.0 L CLAA engines

Figure 8. Cylinder head, Valve cover, Audi diesel V6 3.0 L CLAA.


First stage	Screw in screw(s) by hand.
Replace screws. See figure 8.

expand_moreSecond stage


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


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Tighten screws from the inside outwards.

expand_moreEngine block

expand_moreBalance shaft gear wheel

expand_moreAll Audi diesel V6 3.0 L CDUC 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

expand_moreAll Audi diesel V6 3.0 L CGQB engines


Central screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Wheel	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 3.0 L CGXB engines


Central screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Otherwise	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Replace screws.

expand_moreAll Audi diesel V6 3.0 L CLAA engines


Central screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Wheel	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CNYA engines


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

expand_moreWheel


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


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 CGWB engines


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

expand_moreAll Audi gasoline V6 3.0 L CGXB 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 CNYA 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°

expand_moreCrankshaft central screws


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

expand_moreCrankshaft pulley


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 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°

expand_moreEngine block closure screws


All Audi gasoline V6 3.0 L CGWB engines	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
TDC marking.
All Audi gasoline V6 3.0 L CHMA engines	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
TDC marking.
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreFlywheel


To drive plate	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.

expand_moreMain bearing

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 CGXB engines

expand_moreScrews 1 – 16


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

expand_moreScrews 17 – 31


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

expand_moreAll Audi diesel V6 3.0 L CLAA 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 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_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 CGWB 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 3.0 L CGXB engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CHMA 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 Audi gasoline V6 2.8 L CNYA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CTTA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 3.0 L CTUA 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


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


Camshaft timing gear	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

expand_moreAll other modifications


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 CGWB 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

expand_moreOn the engine block


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

expand_moreOn the engine block

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 CNYA engines

expand_moreBearing pedestal

expand_moreM6


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

expand_moreM10

expand_moreCentral screws


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

expand_moreM6

expand_moreWheel


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

expand_moreAll other modifications

expand_moreAt the bearing pedestal


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	60°60°60°

expand_moreCentral screws


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

expand_moreControl drive timing chain slip rail

expand_moreAll other modifications


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

expand_moreDrive chain balance shaft tensioner


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

expand_moreInlet camshaft wheel


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 CGWB engines


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

expand_moreAll other modifications


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

expand_moreOil pump drive chain tensioner

expand_moreAll Audi gasoline V6 3.0 L CGXB 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 CNYA engines


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

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 CGWB engines


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

expand_moreAll other modifications


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


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 gasoline V6 3.0 L CGXB engines

expand_moreScrews 1 – 11

Figure 9. Engine control, Timing case cover, Audi gasoline V6 3.0 L CGXB, Screws 1 – 11.


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Replace screws. See figure 9.

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

expand_moreScrews 1 – 4

Figure 10. Engine control, Timing case cover, All other modifications, Screws 1 – 4.


First stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
See figure 10.

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_moreTiming case cover first cylinder row

expand_moreAll Audi diesel V6 3.0 L CDUC 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 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 diesel V6 3.0 L CLAA engines


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

expand_moreSecond stage


First step	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second step	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_moreTiming case cover second cylinder row

expand_moreAll Audi diesel V6 3.0 L CDUC 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 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 diesel V6 3.0 L CLAA engines


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

expand_moreSecond stage


First step	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second step	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_moreTop part of control unit housing

expand_moreAll Audi gasoline V6 3.0 L CGWB engines


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

expand_moreEngine lubrication

expand_moreOil cooler


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

expand_moreAll Audi gasoline V6 3.0 L CGXB engines


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


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

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 3.0 L CGXB 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 gasoline V6 3.0 L CGXB engines


Screws	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreAll Audi gasoline V6 2.8 L CNYA engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


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_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°

expand_moreAll Audi diesel V6 3.0 L CLAA engines


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


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

expand_moreOil pump chain wheel

expand_moreAll Audi gasoline V6 3.0 L CGWB engines


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

expand_moreAll Audi gasoline V6 3.0 L CGXB 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 CNYA 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 diesel V6 3.0 L CLAA 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 2.8 L CNYA 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

Figure 13. Engine lubrication, Oil sump, All other modifications.

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_moreEngine management

expand_moreCamshaft sensor


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

expand_moreCharge air pressure sensor


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


Crankshaft sensor	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 other modifications	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m


Knock sensor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreLambda sensor


All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use hot screw paste


NOx sensor	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
Use hot screw paste

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll Audi gasoline V6 3.0 L CGXB engines


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

expand_moreAll Audi gasoline V6 2.8 L CNYA engines

expand_moreOn the engine block


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

expand_moreAll other modifications


On the engine block	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_moreSubframe

expand_moreOn chassis


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

expand_moreSubframe diagonal strut

expand_moreOn chassis


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

expand_moreCatalytic converter

expand_moreAll Audi diesel V6 3.0 L CDUC engines


At the turbocharger	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace the nuts and use fitting paste

expand_moreDiesel particulate filter


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts. Use hot screw paste.


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°

expand_moreAll Audi diesel V6 3.0 L CLAA engines


At the cylinder head	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace the nuts and tighten alternately

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.

expand_moreExhaust manifold heat shields


All other modifications	7.38–8.85 lbf⋅ft7.38–8.85 lbf⋅ft10–12 N⋅m

expand_moreExhaust pipe


All other modifications	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

expand_moreFuel filter bracket


All other modifications	1.55 lbf⋅ft1.55 lbf⋅ft2.1 N⋅m

expand_moreFuel lines


High-pressure side	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreFuel pump


Preliminary feed 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 3.0 L CGXB engines


M10	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreM12


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

expand_moreAll Audi gasoline V6 2.8 L CNYA 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
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 2012 Audi A7 Sportback 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

Chassis and Body Fastener Tightening Specifications
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 A7 Sportback 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 2012 Audi A7 Sportback Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2012 Audi A7 Sportback Quattro C7 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A7 Sportback Quattro C7 model years

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