Tl* the contact owns a 2007 gmc envoy. while examinig the vehicle, the contact noticed that the rear end had fallen to the ground and would not return to its proper height. the vehicle was taken to a local mechanic, where the contact was informed that the air bags inside of the air suspension needed to be replaced. the vehicle had not been repaired. the vin was not available. the failure and current mileages were 100,000.