A bev of models housing the 5.3-, 5.7-, 6.0-and 7.0 liter engines may leak from the rear of the engine.GM officials say the oil is coming from the rear cover assembly and is because of porosity of the engine block.
The models involved are; 2004-2006 Buick Rainier,Chevrolet SSR, and PONTIAC GTO; 2003-2006 Chevrolet Corvette and Trailblazer,Gmc Envoy,XUV and Sierra;2005-2006 Chevrolet TrailBlazer SS,Silverado and Silverado SS,Pontiac Grand Prix GXP,Saab 97-X; and 2006 Impals SS and Monte Carlo SS. Anew rear cover assembly gasket and special sealant should keep all the liquids inside.No word on wheather repairs will be covered outside the warrenty.
The models involved are; 2004-2006 Buick Rainier,Chevrolet SSR, and PONTIAC GTO; 2003-2006 Chevrolet Corvette and Trailblazer,Gmc Envoy,XUV and Sierra;2005-2006 Chevrolet TrailBlazer SS,Silverado and Silverado SS,Pontiac Grand Prix GXP,Saab 97-X; and 2006 Impals SS and Monte Carlo SS. Anew rear cover assembly gasket and special sealant should keep all the liquids inside.No word on wheather repairs will be covered outside the warrenty.