2012 Audi A6 Allroad 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

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley

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

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

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

expand_moreAir-conditioning compressor bracket

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


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 CLAA 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

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

expand_moreGenerator bracket


All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 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
Exhaust recirculation pipe	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace nuts.

expand_moreFuel-distributing pipe


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

expand_moreHigh-pressure pump pulley


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_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


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

expand_moreTurbocharger bracket


First stage	Screw in new screw(s) manually as far as it goes.
Use hot screw paste
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°


Turbocharger coolant feed line	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Turbocharger coolant return line	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCooling system

expand_moreCoolant pump

expand_moreAll other modifications


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Gradually tighten screws crosswise.
Second stage	90°90°90°

expand_moreCoolant pump pulley


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


Bottom	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

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 other modifications


First stage	Screw in screw(s) by hand.
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 2. 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 2.
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 other modifications

Figure 3. Cylinder head, Cylinder head screws, All other modifications.


First stage	Screw in screw(s) by hand.
Replace screws. See figure 3.

Second stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. See figure 3.
Third stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreValve cover


All Audi gasoline V6 3.0 L CGWD engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
See figure 4.

expand_moreAll other modifications

Figure 5. Cylinder head, Valve cover, All other modifications.


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

expand_moreSecond stage


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

expand_moreEngine block

expand_moreBalance shaft gear wheel

expand_moreAll other modifications


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_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 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_moreDrive plate

expand_moreAll other modifications

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

expand_moreFlywheel


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

expand_moreMain bearing

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 other modifications

Figure 6. Engine block, Main bearing, All other modifications.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 6.

expand_moreSecond stage


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

expand_moreAll other modifications


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


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 tensioning rail


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 other modifications


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 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 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 gasoline V6 3.0 L CGWD engines

expand_moreScrews 1 – 11

Figure 7. 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 7.

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


First stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
See figure 8.

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 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 other modifications


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_moreTiming case cover second cylinder row

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 other modifications


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_moreToothed belt tensioning roller


High pressure pump belt	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace screws.

expand_moreEngine lubrication

expand_moreOil cooler


All Audi diesel V6 3.0 L CVUA 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 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 CLAA 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


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

expand_moreOil pressure sensor


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

expand_moreAll other modifications


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

expand_moreOil pump

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°

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 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 other modifications

expand_moreAt the gearbox


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

expand_moreOil sump lower part


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

expand_moreOil sump top part


Locking screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreOn the engine block


Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

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
Lambda sensor	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 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


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_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

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 other modifications


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°


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 screws.
Exhaust pipe bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreExhaust pipe rear


Clamps	16.96 lbf⋅ft16.96 lbf⋅ft23 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

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


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 A6 Allroad 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 Allroad 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 A6 Allroad you're not only saving money, but also also improving your technical skills and learning something new.

2012 Audi A6 Allroad C7 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 Allroad C7 model years

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