2012 Audi A6 S6 Avant engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Gradually tighten screws crosswise.

expand_moreAuxiliary assemblies


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

expand_moreAuxiliary drive belt tensioner


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


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

expand_moreAir-conditioning compressor pressure line


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


Alternator	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCarburetion


High-pressure line	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
High-pressure pump	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws.

expand_moreCooling system

expand_moreCoolant pump


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

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_moreScrews 1 – 10

Figure 1. Cylinder head, Cylinder head screws, Screws 1 – 10.


First stage	Tighten by hand
Use new screws. See figure 1.
Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreScrews 11 – 14

expand_moreSixth stage


First step	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use new screws.
Second step	90°90°90°

expand_moreValve cover

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_moreEngine block

expand_moreConnecting rod bearing


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 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 bolts.
Second stage	90°90°90°

expand_moreVibration damper


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

expand_moreSecond stage


First step	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Second step	90°90°90°

expand_moreEngine control

expand_moreCamshaft timing chain tensioner


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

expand_moreControl drive chain tensioner


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

expand_moreControl drive sprocket wheel

expand_moreAt the bearing pedestal

expand_moreScrews


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

expand_moreBearing pedestal


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

expand_moreOn the engine block

expand_moreCentral screws


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Use new screw.
Second stage	45°45°45°

expand_moreControl drive timing chain slip rail


First stage	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreInlet camshaft wheel


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

expand_moreIntermediate shaft chain sprocket

expand_moreBearing pedestal

expand_moreOn the engine block


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


Central screws	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreOutlet camshaft wheel


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

expand_moreTiming case cover first cylinder row


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


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

expand_moreEngine lubrication


Oil drain plug	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil filter housing


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
Oil filter drain plug	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Replace sealing rings.

expand_moreOil pump


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

expand_moreOil sump

expand_moreOil sump lower part


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

expand_moreOil sump top part


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

expand_moreEngine management


Camshaft sensor	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Crankshaft sensor	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Knock sensor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreEngine mounting


Engine bracket	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 mounting


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_moreExhaust system


Exhaust manifold	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tighten new nuts evenly in several steps.

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

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2012 Audi A6 S6 Avant 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 S6 Avant 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 S6 Avant you're not only saving money, but also also improving your technical skills and learning something new.

2012 Audi A6 S6 Avant C7 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 S6 Avant C7 model years

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