Three problems related to engine cooling system have been reported for the 1999 GMC Jimmy. The most recently reported issues are listed below.
The gas gauge was constantly on full. The tank may be empty but the gauge read full. The dealer stated the fuel pump needed to be replaced. Please describe further. Consumer made numerous repairs on driver's door due to door falling off and water leaking during rain; in addition, front wheel bearing was replaced at 36,676 miles and 43,545 miles on the left and right respectively. Also, repairs on driver's seat recliner. Consumer also discovered rust on the rear hatch, and problems encountered with the heating and cooling system. Electrical problem can't be found on headlights and dash.
Vehicle experienced oil leak due to faulty upper and lower cooler lines, serpentine belt was also replaced.
Engine coolant keeps disappearing, causing the engine to overheat. Dealership is not able to determine what is causing this problem.