2012 Audi R8 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold

expand_moreAll Audi gasoline V10 5.2 L BUJ engines


Lower section of intake manifold	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Gradually tighten screws crosswise.
Upper section of intake manifold	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Gradually tighten screws crosswise.


All Audi gasoline V8 4.2 L CNDA engines	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m

expand_moreAuxiliary assemblies


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

expand_moreAuxiliary drive belt tensioner

expand_moreAll Audi gasoline V10 5.2 L BUJ engines


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M8	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m


All Audi gasoline V8 4.2 L CNDA engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


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

expand_moreAlternator


All Audi gasoline V10 5.2 L BUJ engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Audi gasoline V8 4.2 L CNDA engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline V10 5.2 L CTYA engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreGenerator bracket


All Audi gasoline V10 5.2 L BUJ engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreAll Audi gasoline V8 4.2 L CNDA engines


M10	33.93 lbf⋅ft33.93 lbf⋅ft46 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All Audi gasoline V10 5.2 L CTYA engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreCarburetion


Fuel-distributing pipe	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreInjection pump


High-pressure pump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Pressure tube connection	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreCooling system

expand_moreCoolant pump


All Audi gasoline V10 5.2 L BUJ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V8 4.2 L CNDA engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V10 5.2 L CTYA engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Audi gasoline V10 5.2 L BUJ engines

expand_moreBearing casing


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 gasoline V8 4.2 L CNDA engines

expand_moreBearing cap


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 gasoline V10 5.2 L BUJ engines

expand_moreScrews 1 – 12

Figure 1. Cylinder head, Cylinder head screws, Audi gasoline V10 5.2 L BUJ, Screws 1 – 12.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 1.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreScrew 13

expand_moreFifth stage


First step	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Replace screws.
Second step	90°90°90°

expand_moreCap screw 2


Sixth stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll Audi gasoline V8 4.2 L CNDA engines

expand_moreScrews 1 – 10

Figure 2. Cylinder head, Cylinder head screws, Audi gasoline V8 4.2 L CNDA, Screws 1 – 10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws. See figure 2.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreScrews 11 – 14

expand_moreFifth stage


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

expand_moreCap screw 6


Sixth stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.


Valve cover	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine block

expand_moreCrankshaft pulley


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

expand_moreFlywheel

expand_moreAll Audi gasoline V10 5.2 L BUJ engines


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

expand_moreAll Audi gasoline V8 4.2 L CNDA engines


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

expand_moreEngine control

expand_moreBottom part of the control unit housing

expand_moreAll Audi gasoline V10 5.2 L BUJ engines

expand_moreAt the cylinder head

expand_moreM6


First stage	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Use new screws and tighten them crosswise.
Second stage	90°90°90°

expand_moreM6


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


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline V8 4.2 L CNDA engines

expand_moreM6


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Tighten the new screws evenly in several steps.
Second stage	90°90°90°


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Tighten cross-wise.

expand_moreCamshaft timing chain tensioner


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 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_moreOutlet camshaft wheel


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


Timing case cover first cylinder row	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Timing case cover second cylinder row	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

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 drain plug

expand_moreAll Audi gasoline V10 5.2 L BUJ engines


Bi-hexagon screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace sealing rings.
Hexagon head screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.
Torx screws	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace sealing rings.

expand_moreAll Audi gasoline V8 4.2 L CNDA engines


Bi-hexagon screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreOn engine sump


Hexagon socket screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOil filter housing


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

expand_moreEngine management


Camshaft sensor	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll Audi gasoline V10 5.2 L BUJ engines


Lower nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Upper nuts	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.

expand_moreAll Audi gasoline V8 4.2 L CNDA engines


Lower nuts	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
Upper nuts	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Tighten new nuts evenly in several steps.

expand_moreFuel supply

expand_moreFuel lines


High-pressure side	18.44 lbf⋅ft18.44 lbf⋅ft25 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 2012 Audi R8 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 R8 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 R8 you're not only saving money, but also also improving your technical skills and learning something new.

2012 Audi R8 First generation facelift Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi R8 First generation facelift model years

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