NHTSA Complaint #10373113 — 2004 CHEVROLET TAHOE ENGINE AND ENGINE COOLING

Complaint Details

ODI Number	10373113
Vehicle	2004 CHEVROLET TAHOE
Component	ENGINE AND ENGINE COOLING
Date of Incident	December 1, 2010
Date Filed	December 28, 2010
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	TX

Consumer Description

THE GM 5.3L BUILT BETWEEN 2002 AND 2006 USING CASTEK CORPORATION ENGINE HEADS WERE INCORRECTLY BUILT PER GM AND CASTEK. THE HEADS LEAK ENGINE COOLANT INTO THE COMBUSTION CHAMBERS AND BURNS OFF CAUSING THE ENGINE TO OVERHEAT. GM HAS ISSUED A TECHNICAL BULLETIN REGARDING THIS ISSUE AND REQUESTS THE HEADS BE CHANGED OUT BUT AT THE CLIENTS EXPENSE. WITH THE LOSS OF COOLANT AND INEVITABLE ENGINE DAMAGE THIS IS A SAFETY HAZARD AND SHOULD BE A RECALL AND REPLACED AT GM COST. TECHNICAL BULLETIN 06-06-01-019B ISSUED 6/12/2007.

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