One problem related to engine has been reported for the 2007 Chevrolet Silverado. The most recently reported issues are listed below.
30 minutes after ignition turned off and parked after driving in 4-wheel down a 1/2 mile snowy driveway, my 2007 Silverado duramax 2500hd pick-up truck was totally engulfed in flames and burned to a crisp. Forensic fire inspector said it started in front right engine compartment; no arson. Fire department put it out; police report said no arson.