GMC Envoy Problems

Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

Vehicles equipped whit a 4 speed automatic transmission may develop a harsh 1-2 shift and/or illumination of the Check Engine Light with code P1870 stored.

The transmission output shaft seal may leak transmission fluid.

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation.

On vehicles with intermittent windshield wipers, the wiper motor circuit board may fail and cause the wipers to stop working at times.

Electrical power may be lost to the interior of the vehicle due to a blown 125 amp fuse located at the under hood fuse box.

The cooling fan clutch may fail causing excessive fan noise and/or the Check Engine Light to illuminate.

The engine may develop a misfire due to worn valve seats.

The variable valve timing camshaft actuators may stick due to dirty engine oil or a faulty control solenoid.

GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70...

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

Brake fluid will get dirty and can cause problems in the brake system; it should be flushed every 60,000 miles.