2010 AUDI S5 CDUC/CDUD (8T)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump failures occasionally reported
• Timing chain tensioner wear causing rattling noises
• Coolant leaks from water pump seals

First checks

• Inspect timing chain cover for oil leaks
• Check supercharger belt condition
• Verify service history for regular oil changes with correct oil specification

Avant de remplacer des pièces

• 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

• Audi S5 2010 uses a supercharged 3.0L V6 shared with certain S4 variants with minor ECU tuning differences per market.
• Available body styles may vary by region; coupe is most common globally with cabriolet and sportback in selected markets.