NHTSA Complaint #10377095 — 2006 GMC SIERRA 2500

ENGINE AND ENGINE COOLING:COOLING SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	10377095
Vehicle	2006 GMC SIERRA 2500
Component	ENGINE AND ENGINE COOLING:COOLING SYSTEM
Date of Incident	December 15, 2010
Date Filed	January 18, 2011
Mileage	30,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MI

Consumer Description

I HAVE A 2006 GMC SIERRA 2500 WITH THE LBZ DURAMAX AND ALLISON TRANSMISSION. TWO OF THE TRANSMISSION COOLANT LINES BEGAN LEAKING TRANSMISSION FLUID AT THE CRIMP ENDS IN DEC OF 2010. THE TRUCK ONLY HAD 30,000 MILES, BUT WAS THE 36 MONTH WARRANTY PERIOD. SERVICE UNDER WARRANTY WAS DENIED. AN ON-LINE SEARCH REVEALS SEVERAL OTHERS HAVE COMPLAINED ABOUT THIS ISSUE AND THAT THE DEALER INSTALLED OEM REPLACEMENT LINES ARE NO BETTER (DEVELOPING LEAKS SOON AFTER REPLACEMENT), YET NO TSB OR CORRECTIVE ACTION HAS BEEN ISSUED BY GM. LEAKING TRANSMISSION FLUID IS A FIRE AND ENVIRONMENTAL HAZARD. THE LEAKS ARE GETTING WORSE. *TR

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