NHTSA Complaint #10346369 — 2007 CHEVROLET SILVERADO 1500

TL*THE CONTACT OWNS A 2007 CHEVROLET SUBURBAN 1500. UPON STARTING THE VEHICLE THERE WAS A KNOCKING NOISE IN THE ENGINE. WHEN HE NOTICED THAT THERE WAS NO OIL IN THE ENGINE, HE ADDED OIL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO CONFIRMED THAT THERE WERE NO OIL LEAKS IN THE ENGINE. THE FAILURE CONTINUED TO RECUR EVERY 1,000 MILES AND EACH TIME THE VEHICLE WAS MISSING APPROXIMATELY 1 OR 2 QUARTS OF OIL. EACH TIME THE FAILURE RECURRED AN OIL LIGHT ILLUMINATED ON THE DASHBOARD UNTIL MORE OIL WAS ADDED. THE VEHICLE WAS TAKEN BACK TO AN AUTHORIZED DEALER ON NUMEROUS OCCASIONS AND THEY WERE UNABLE TO DIAGNOSE THE FAILURE. AN AUTHORIZED DEALER HAS REPLACED THE VALVE COVER GASKET BUT THE FAILURE CONTINUED TO RECUR. THE FAILURE MILEAGE WAS 2,200. THE CURRENT MILEAGE WAS 22,235.