2009 AUDI S6 BSG/CGWB (4F)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain tensioner wear
• Carbon buildup in intake valves

First checks

• Inspect timing chain tensioners and guides
• Check for oil leaks from camshaft seals

Antes de cambiar piezas

• 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

• The 2009 Audi S6 C6 uses a naturally aspirated 5.2L V10 engine derived from Lamborghini Gallardo architecture.
• Market variations in emission controls and transmission options exist; North America typically uses CGWB engine code.