Two problems related to engine oil leaking have been reported for the 1999 GMC Yukon. The most recently reported issues are listed below.
GMC denali truck caught fire 302 miles after being repaired by a gm goodwrench mechanic in July 2002. The consumer was on a family vacation when the vehicle developed an oil leak.
Refusal to honor nationally advertised warranty program for repairs which resulted in a vehicle fire. While driving, the vehicle developed an oil leak. The vehicle was taken to the dealership and repaired so the consumer assumed. Six hours the vehicle was in flames. The consumer later learned, the fire was due to improper repairs by the dealership.