2008 GMC Savana 2500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2008 GMC Savana 2500
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2008 GMC Savana 2500 ProblemsTail Light Wiring in Cargo Area May be Damaged
The tail light wiring harness in the cargo area is not protected very well. As a result it may become damaged due to normal wear a tear. This damage can causing some or all of the rear lights to stop working.
One or both secondary air injection check valves may become restricted causing poor air flow resulting in illumination of the Check Engine Light. It is often recommend to replace both check valves even if a fault code is set for only one bank of cylinders. Replacing only one valve may result in a return trip to the repair shop.
2008 GMC Savana 2500 RecallsTransmission May Malfunction/Engine May Shut Down At High Speeds
The transmission management software could be faulty and may cause the transmission to shift erratically or the engine to stall at highway speeds. This could result in transmission damage and vehicle breakdown. Dealers will reprogram the transmission control module and engine control module. The GM recall number is N080218. This recall began on July 30, 2008.
The frame rail of the vehicle may be wider than intended. If this is the case, the fuel tank may rub on the frame rail and eventually may leak. Leaking fuel presents a fire hazard. Dealers will inspect the vehicle and modify the frame rail if required. The GM recall number is 080205. This recall began on July 30, 2008.