One problem related to loud engine noise has been reported for the 2004 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Impala based on all problems reported for the 2004 Impala.
The contact owns a 2004 Chevrolet Impala. While driving in reverse or accelerating at various speeds, the contact heard a loud noise. He took the vehicle to the dealer and they found that the motor mount bolt locks were opened, which may have caused the engine to fail. The dealer tightened the bolts. The contact was aware of the safety risk involved. The current and failure mileages were 77,000.