One problem related to engine noise has been reported for the 2009 Buick Enclave. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Buick Enclave based on all problems reported for the 2009 Enclave.
Issue: car makes loud screeching noise, loss of power steering, engine fan constantly running and car a/c heats on one side and cools on the other. Resolution: dealership located leaking gear and pump damaged which caused noise. Replaced power steering gear and power steering pump. Flushed power steering system and evac and recharge a/c system. Issue #6.