2% of complaints about the 2007 Chevrolet Corvette Z06 came in the first year, which is unremarkable for a 2007 vehicle — around the middle of the 268 model-years on record. The median complaint arrives at 7.8 yr in service. The most-reported system is engine (26 complaints), typically at 8.3 yr or about 33,720 miles.
GENERAL MOTORS IS RECALLING CERTAIN MODEL YEAR 2005 THROUGH 2007 CORVETTE VEHICLES EQUIPPED WITH A REMOVABLE ROOF AND MODEL YEAR 2006 AND 2007 CORVETTE Z06 VEHICLES. THE ADHESIVE BETWEEN THE ROOF PANEL AND THE FRAME MAY SEPARATE. IF THERE IS A PARTIAL SEPARATION, THE DRIVER MAY NOTICE ONE OR MORE SYMPTOMS, SUCH AS A SNAPPING NOISE WHEN DRIVING OVER BUMPS, WIND NOISE, POOR ROOF PANEL FIT, ROOF PANEL MOVEMENT/BOUNCE WHEN A DOOR OR HATCH IS CLOSED, OR A WATER LEAK IN THE HEADLINER.
IF THERE IS A COMPLETE SEPARATION, THE ROOF PANEL MAY DETACH FROM THE VEHICLE. IF THIS WERE TO OCCUR WHILE THE VEHICLE WAS BEING DRIVEN, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.
IT IS STOCK AND NO TUNE VERIFIED BY ( RELIABLE CHEVROLET IN SPRINGFIELD MO. AND SHOW-ME SPEED IN NIXA MO.) AT 49562 MILE IT DROP THE #6 EXHAUST VALVE WHICH IN TURN DESTROYED THE MOTOR I HAVE HAD THIS CAR TO 3 DIFFERENT SHOPS AND THEY ARE ALL SAYING THE SAME THING EXCESSIVE WEAR ON ALL THE EXHAUST VALVE GUIDES 2 OF THE SHOPS DETERMINED THIS WEAR CAUSED THE EXHAUST VALVE TO BREAK OTHER SHOP COULDN'T SAY. *TR
SUBMISSION FROM CONSTITUENT RE REPAIRS ON HIS 2007 CHEVROLET CORVETTE (THE ENGINE "DROPPED A VALVE") *SMD THE CONSUMER WAS INFORMED, THE ENTIRE ENGINE NEEDED TO BE REPLACED AT A COST OF $18,722. INSTEAD OF REPLACING THE ENGINE, AT NO COST TO THE CONSUMER, GENERAL MOTORS OFFERED TO PICK UP 45% OF THE COST, LEAVING THE CONSUMER TO PAY THE BALANCE OF $10,630. THE CONSUMER STATED GM ISSUED AN INTERNAL BULLETIN AS FAR BACK AS FEBRUARY 2008, THAT SHOWED THEY WERE AWARE OF THE Z06 ENGINE FAILURES AND SHORT LIFE EXPECTANCY.
MY CYLINDER HEAD INTAKE AND EXHAUST VALVES WERE SEVERELY OUT OF GM'S .0037" MAXIMUM WIGGLE TOLERANCE. THE VALVES WERE TESTED BY YUMA AUTO AND TRANS AS WELL AS AMERICAN HERITAGE PERFORMANCE (HARBOR CITY, CA). NOT ADDRESSING THE ISSUE MAY HAVE CAUSED A DROPPED CYLINDER VALVE AND BLOWN ENGINE.