NHTSA Complaint #11071992 — 2009 CHEVROLET CORVETTE

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11071992
Vehicle	2009 CHEVROLET CORVETTE
Component	ENGINE
Date of Incident	July 19, 2017
Date Filed	February 9, 2018
Mileage	11,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	IN

Consumer Description

REGARDING THE CYLINDER HEADS, I AM ONE OF HUNDREDS THAT EXPERIENCED INTAKE AND EXHAUST VALVES THAT WERE OUT OF SPECIFICATION DUE TO INADEQUATE CYLINDER HEAD DESIGN AND VALVE GUIDES. AS A RESULT, I NEEDED TO HAVE MY HEADS REPLACED WITH REBUILT HEADS AND NEW VALVE GUIDES. THE UPLOADED DOCUMENT HIGHLIGHTS THE MEASUREMENTS ON THE VALVES AS BEING OUT OF SPECIFICATION AFTER THEY WERE TESTED UPON REMOVAL FROM MY VEHICLE. ON AN ENGINE WITH ONLY 11,000 MILES AT THE TIME, THIS IS ALARMING. HUNDREDS OTHERS HAVE EXPERIENCED THE SAME DEFECT. THIS IS A SAFETY ISSUE AS WHEN A VALVE DROPS, IT FALLS INTO THE ENGINE HAVING THE EFFECT OF POTENTIALLY IMMEDIATELY SEIZING IT UP WHICH WOULD THEN CAUSE THE CAR TO LOCK THE REAR WHEELS AND LOSE CONTROL

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