One problem related to engine oil leaking has been reported for the 2002 GMC Envoy. The most recently reported issues are listed below.
The contact owns a 2002 GMC Envoy. The contact stated that he noticed a burnt odor in the engine area. When he inspected, he found an oil leak at the head gasket because it was made of aluminum. The vehicle had not been repaired. The failure mileage was 55,000 and the current mileage was 56,680.