2017 Audi A6 RS6 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
Tighten the screws cross-wise from inside to outside.

expand_moreAuxiliary assemblies


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

expand_moreAuxiliary drive belt tensioner


Long screws	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Short screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Alternator	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCarburetion


Fuel-distributing pipe	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
High-pressure line	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreHigh-pressure pump


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Tighten the new screws evenly in several steps.
Second stage	45°45°45°

expand_moreCharging


Charge air pipes	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
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
Turbocharger oil feed line	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Turbocharger oil return line	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCooling system

expand_moreCoolant pump


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new screws and tighten them crosswise.
Second stage	90°90°90°


Fan wheel	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Radiator mounting	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


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

expand_moreCylinder head screws

expand_moreScrews 1 – 10

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


First stage	Screw in screw(s) by hand.
Replace 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_moreScrew 11


Sixth stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Seventh 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°


Crankcase ventilation	2.58 lbf⋅ft2.58 lbf⋅ft3.5 N⋅m

expand_moreDrive plate


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws and tighten them crosswise.
Second stage	90°90°90°

expand_moreMain bearing

expand_moreScrews 1 – 10

Figure 2. Engine block, Main bearing, Screws 1 – 10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 2.
Third stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Fourth stage	90°90°90°

expand_moreScrews 11 – 20


Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Fifth stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Sixth stage	90°90°90°

expand_moreScrew 21


Seventh stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Tighten cross-wise.

expand_moreVibration damper


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Use new screws and tighten them crosswise.
Second stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Third stage	90°90°90°

expand_moreEngine control

expand_moreBottom part of the control unit housing

expand_moreScrews 2 – 8


Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Tighten screws crosswise.
Fourth stage	90°90°90°
Tighten cross-wise.

expand_moreScrew 9

Figure 3. Engine control, Bottom part of the control unit housing, Screw 9.


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
See figure 3.
Third stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Fifth stage	90°90°90°

expand_moreCamshaft adjuster


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

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 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
Replace screws.
Second stage	90°90°90°

expand_moreIntermediate shaft chain sprocket

expand_moreM10


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace the screws and sprocket wheel.
Second stage	45°45°45°

expand_moreM6


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

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
Gradually tighten screws crosswise.
Second stage	90°90°90°

expand_moreTiming case cover second cylinder row


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Gradually tighten screws crosswise.
Second stage	90°90°90°

expand_moreTiming chain tensioner intermediate shaft


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

expand_moreEngine lubrication

expand_moreOil cooler


Front	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreOil sump top part


First stage	2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Gradually tighten screws crosswise.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


Oil cooler lines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Oil drain plug	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.

expand_moreOil filter


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

expand_moreOil filter housing


Oil filter drain plug	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m


Oil pressure sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

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	Screw in new screw(s) hand-tight.
Use new screws and tighten them crosswise.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	90°90°90°

expand_moreOil sump top part


First stage	Screw in new screw(s) hand-tight.
Second stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Third stage	90°90°90°

expand_moreEngine management


Charge air pressure sensor	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use hot screw paste

expand_moreEngine mounting

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


Catalytic converter	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace screws and nuts.
Catalytic converter bracket	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreExhaust manifold


First stage	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Replace the nuts and tighten alternately
Second stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust pipe


Clamps	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Exhaust pipe bracket	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreExhaust pipe rear


Clamps	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreFuel supply

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


Starter	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 2017 Audi A6 RS6 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 RS6 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 2017 Audi A6 RS6 Avant you're not only saving money, but also also improving your technical skills and learning something new.

2017 Audi A6 RS6 Avant C7 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 RS6 Avant C7 model years

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