2014 AUDI RS 5 CNX (8T)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump issues in some early models
• Carbon build-up on intake valves due to direct injection
• DSG transmission mechatronic failures possible after extensive usage

First checks

• Inspect carbon deposit levels on intake valves
• Check DSG transmission adaption and error codes
• Check high-pressure fuel pump functionality

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

• The RS5 B8 generation facelift was available globally in 2013-2015 with minor market variations.
• Engine and transmission specifications are consistent worldwide except minor calibration differences.
• Manual transmission was not commonly offered; automatic S tronic was standard in most markets.
• Oil capacity includes the filter; Audi recommends using only VW-approved synthetic oils.