NHTSA Complaint #10526133 — 2003 CHEVROLET SILVERADO 1500 ENGINE

Complaint Details

ODI Number	10526133
Vehicle	2003 CHEVROLET SILVERADO 1500
Component	ENGINE
Date of Incident	July 15, 2013
Date Filed	July 22, 2013
Mileage	118,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	ME

Consumer Description

INSPECTION REVEALED THAT THE HEADS ON SEVERAL EXHAUST MANIFOLD BOLTS HAD BROKEN OFF. REPORTEDLY, THIS HAS BEEN A VERY COMMON DEFECT IN GM P/U TRUCKS AND SUV'S. FROM WHAT SOME TECHNICIANS HAVE SAID, GM USED SUBSTANDARD BOLTS FOR THIS APPLICATION, AND THAT THEY SIMPLY CANNOT BEAR UP UNDER THE HEAT FROM MANIFOLDS. MANY COMPLAINTS HAVE BEEN FILED BY VEHICLE OWNERS, BUT GM REFUSES TO ACKNOWLEDGE THE PROBLEM AND INSTITUTE A SAFETY RECALL FOR THIS POTENTIALLY SERIOUS SAFETY ISSUE. THE REPAIR OF THIS PROBLEM IS VERY COSTLY AND CAN CAUSE (AND HAS CAUSED) ADDITIONAL PROBLEMS WITH OTHER VEHICLE COMPONENTS. *TR

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