Tl* the contact owns a 2013 chevrolet equinox. the contact stated that while driving approximately 3 mph in reverse, a load roaring noise emitted from the engine. the failure recurred whenever the vehicle was in operation. the vehicle was taken to an authorized dealer, who was unable to locate the defect. the manufacturer was notified of the problem. the approximate failure mileage was 3,000. updated 2/11/14*cn another dealer informed the consumer, the noise was coming from the high valve fuel pump on the engine and in the gas tank. the consumer has since traded the vehicle. updated 02/18/14