Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2012A8 QUATTRO SEDAN (4H2) V8-4.2L (CDRA)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCONNECTING ROD, ENGINE
2012 Audi A8 Quattro Sedan (4H2) V8-4.2L (CDRA)
Connecting Rod, Engine
2012 Audi A8 Quattro Sedan (4H2) V8-4.2L (CDRA)SECTION Connecting Rod, Engine
Connecting Rod Bolt
Replace connecting rod bolts
Tighten 50 Nm plus an additional 90° turn
Radial clearance
New 0.020 to 0.069 mm
Wear limit 0.120 mm
Axial play for each new connecting rod pair 0.16 to 0.40 mm
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.