2012 AUDI S5 CGKB/AHD (8T)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Supercharger belt wear on V6 models
• Timing chain tensioner issues on some V8 units
• Carbon build-up on direct injection engines

First checks

• Inspect supercharger belt condition and tension
• Check timing chain noise and tension
• Verify maintenance history for oil change interval compliance

Vor dem Teiletausch

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• S5 in 2012 offered both supercharged V6 and naturally aspirated V8 depending on region
• North American S5 typically 3.0L supercharged V6; European S5s often retained 4.2L V8
• Oil capacity includes filter change service-fill; exact values vary slightly by engine variant