One problem related to loud engine noise has been reported for the 2007 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 GMC Sierra 1500 based on all problems reported for the 2007 Sierra 1500.
The contact owns a 2007 GMC Sierra 1500. While towing a boat at 35 mph the vehicle made a loud noise, and would not accelerate. The dealer stated that there was no failure. The failure mileage was 600. The current mileage was 4,000.