The engine fuel rail crossover tube retainer screws may not have been manufactured to specifications and can break. If the retainer screws break, fuel could leak from the crossover joint. As a result, the engine may stall. Additionally, any fuel leak increases the risk of a fire. Dealers will inspect the fuel rail crossover tube and if necessary replace the retainer screws. Owners were contacted by telephone beginning July 30, 2004. The General Motors recall number is 04066.
Chevrolet Suburban 1500 Recalls
The hydro-boost housing relief valve bore may be out of specification. The seal may fracture as a result, which may reduce braking assist and slightly increase the steering effort while braking. Under certain conditions, more braking effort will be required to stop the vehicle. Dealers will replace the hydro-boost relief valve. The recall began June 18, 2004. The GM recall number is 04004.
The courtesy lamps on affected running boards may overheat when exposed to moisture and road salt. Overheating may cause the lamps and boards to melt or start a fire. Dealers will replace the wiring harness for these running boards.
In 30 degree left angle frontal crash conditions with a severe enough impact, the fuel tank may be punctured by a torn mid-frame cross member. A fuel leak in the presence of an ignition source may result in a fire. Dealers will install a fuel tank shield. The recall began February 20, 2003. The GM recall number is 03002.
On 107 vehicles, one or two welds on the rear door upper hinge may not be to specification. This may cause the door strength to be reduced in a side impact crash. Dealers will inspect the welds and install a bolt to secure the hinge if any are found to be out of specification.
The air bag diagnostic module may contain a flaw that will prevent deployment of the air bags during a collision. This may result in severe injuries sustained by occupants during a collision. Dealers will recalibrate this module to correct the flaw.