Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published

OCT 01, 2010

NHTSA TSB #

10035804

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# SB-10-06-01-008.

Summary

CADILLAC/CHEVROLET/GMC/PONTIAC: ENGINE OIL CONSUMPTION ON ALUMINUM BLOCK ENGINES WITH ACTIVE FUEL MANAGEMENT (AFM) (INSTALL AFM OIL DEFLECTOR AND CLEAN CARBON FROM CYLINDER). CAUSED BY AN UNCOVERED AFM VALVE THAT SPRAYS OIL ON THE BOTTOM OF THE CYLINDERS WHEN THE VEHICLE IS IN FOUR CYLINDER MODE. *PE UPDATED 5/9/11. *PE