One problem related to engine oil leaking has been reported for the 1997 GMC Suburban. The most recently reported issues are listed below.
The vehicle has consumes oil at approximately 1 quart every 600 miles,no leaks visible. The dealer worked on the oil problem in may but did not fix it. Another problem is that since the vehicle was new it has had a vibration when speeds approach 50 miles per hour and increases with more speed, new tires, continuous balancing of tires, does not help.