2013 AUDI S6 CTGA/CTGD (C7)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Supercharger belt wear
• High-pressure fuel pump issues
• Carbon buildup on intake valves (direct injection engine)

First checks

• Supercharger belt condition
• Oil leaks from timing chain cover
• Turbocharger and cooling system check

Before replacing parts

• 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 2013 Audi S6 C7 was offered globally with mainly the 3.0L supercharged V6; power output varied by emissions standards and market.
• No manual transmission was available for this model year S6; the Tiptronic automatic was standard across markets.