One problem related to loud engine noise has been reported for the 2009 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Cadillac CTS based on all problems reported for the 2009 CTS.
The contact owns a 2009 Cadillac Cts. The contact stated that the engine timing chain failed. While driving, the vehicle emitted a loud noise and an unknown warning indicator illuminated. The vehicle was taken to an unknown dealer where it was diagnosed that the engine timing chain failed. The vehicle was not repaired. The manufacturer provided case number: 8-347559061 and informed the contact that the vehicle was not included in a timing chain replacement recall. The approximate failure mileage was 70,000.