2021 VOLKSWAGEN Jetta GLI EA888 GEN3B CCTA/CHHA (A7)
A7 / Sedan / North America, Mexico, China, and select global markets
EA888 GEN3B CCTACHHAExakter Jahres-/Varianten-DatensatzGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Carbon buildup on intake valves (common for direct injection engines)
- Water pump failures reported in some high-mileage examples
First checks
- Verify timing chain tensioner noise
- Inspect turbocharger for shaft play and oil leaks
- Check DSG transmission software version and service history
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
- Engine codes vary slightly by market; CCTA common in North America with 228 hp output.
- China market Jetta GLI (CHHA engine) rated slightly higher power ~230 PS.
- Oil capacity includes filter change fill volume.
- Timing chain maintenance typically not required under normal conditions.