2016 AUDI S5 CDNC/CDNB (8T (B8.5 facelift))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain tensioner noise in early B8 models, addressed in facelift
• Carbon build-up on intake valves due to direct injection

First checks

• Inspect timing chain condition and tensioner
• Check for intake manifold carbon deposits
• Verify quattro all-wheel-drive system operation

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

• 2016 model year is a facelift update (B8.5) with improved engine tuning and electronics.
• Supercharged 3.0 V6 (engine code CDNC/CDNB) used in most markets; turbocharged 3.0 V6 (CGWB) variants available in some regions.