One problem related to engine clicking and tapping noises has been reported for the 2011 Buick Regal. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Buick Regal based on all problems reported for the 2011 Regal.
The contact owns a 2011 Buick Regal. The contact stated that the timing chain was stretched, which caused a knocking and ticking noise from the engine. The contact was informed that there was a service bulletin associated with the issue. The manufacturer was notified of the issue. The contact was advised to file a complaint with NHTSA to see if the vehicle could be repaired per a technical service bulletin. The approximate failure mileage was 70,000.