2007 Audi R8 engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Audi gasoline V8 4.2 L BYH 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


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

expand_moreAuxiliary drive belt tensioner


4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)	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


4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreAlternator


All Audi gasoline V8 4.2 L BYH engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreGenerator bracket

expand_moreAll Audi gasoline V8 4.2 L BYH engines


M10	33.93 lbf⋅ft33.93 lbf⋅ft46 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 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 V8 4.2 L BYH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreFan wheel


4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreRadiator mounting


4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head

expand_moreCylinder head screws

expand_moreAll Audi gasoline V8 4.2 L BYH engines

expand_moreScrews 1 – 10

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


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new 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_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 V8 4.2 L BYH engines


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

expand_moreEngine control

expand_moreBottom part of the control unit housing

expand_moreAll Audi gasoline V8 4.2 L BYH 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 adjuster

expand_more4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screw.
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_moreChain tensioner

expand_more4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)


With auxiliary drive	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Use new screw.

expand_moreControl drive sprocket wheel


4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreControl drive timing chain slip rail

expand_more4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 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 cooler


4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace sealing rings.

expand_moreOil drain plug

expand_moreAll Audi gasoline V8 4.2 L BYH engines


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

expand_moreOil sump


Hexagon head 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_moreOil sump

expand_more4.2 FSI quattro with gasoline V8 4.2 L 414 HP at 7800 RPM, 430 N⋅m at 4500 RPM engine (2007.4–2010.9)

expand_moreOil sump lower part


First stage	Tighten by hand
Tighten cross-wise.
Second stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Third stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil sump top part


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Tighten cross-wise.
Second stage	10.33 lbf⋅ft10.33 lbf⋅ft14 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 V8 4.2 L BYH 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_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 2007 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 2007 Audi R8 you're not only saving money, but also also improving your technical skills and learning something new.

2007 Audi R8 First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi R8 First generation model years

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