2011 Audi A5 CGLB/CDNC (8T)
8T / Coupe / Cabriolet / Sportback / Global, with regional variation in engines and transmissions
CGLBCDNCCTKACDUDCJEACABACKVBFiche exacte année/versionGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Ignition coil failures on 2.0 TFSI
- Oil consumption in some 3.0 TFSI engines
- Turbocharger issues in high-mileage diesels
First checks
- Timing chain condition
- Oil leaks from turbocharger area
- DSG transmission clutch wear (if equipped)
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
- 2011 model year encompasses mid-cycle refresh with minor updates to electronics and engines in some markets.
- Diesel variants mainly offered in Europe; gasoline variants predominant globally.