The power door lock actuators may become slow to operate or stop working completely and require replacement.
Problems for specific Chevrolet Suburban 1500 years:
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Most reported 2008 Chevrolet Suburban 1500 problems
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.
The inside and outside door handles are prone to breaking.
The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is commonly necessary to correct this condition.
The keyless entry system may stop working. Our technicians tell us the key fobs and keyless entry receiver may need to be replaced to correct this fault.
Had to replace due to excess wear. Suburban not driven hard - these failed prematurely. In addition, repair by replacing just ball joints made 3 times more expensive due to GM design. The upper control arms had to be replaced making the parts very expensive and the labor 3 times more than normal.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
Noticed white colored goo on oil dipstick during oil addition. Dealer indicated a failed head gasket. Solution is to replace the head gasket. Will also replace the valve cover which the dealer indicates is now a better design than the original cover. Dealer estimate is approx. $1200.