CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT - ENGINE INTAKE VALVE SEAT MAY WEAR, SUCH THAT COMBUSTION LEAKAGE OCCURS. EQUIPPED WITH EITHER A 2.8L (RPO LK5) 4 CYLINDER OR 3.5L (RPO L52) 5 CYLINDER ENGINE. *NJ CSC LETTER WAS RECEIVED. UPDATED 3/9/09. *PE
