NHTSA Complaint #10443993 — 2005 GMC SIERRA 2500 ENGINE AND ENGINE COOLING

Complaint Details

ODI Number	10443993
Vehicle	2005 GMC SIERRA 2500
Component	ENGINE AND ENGINE COOLING
Date of Incident	November 16, 2011
Date Filed	January 16, 2012
Mileage	94,500 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

BROKEN EXHAUST MANIFOLD BOLTS. FRONT AND REAR MANIFOLD BOLTS HAVE BROKEN ON BOTH THE PASSENGER AND DRIVER SIDES. AS A RESULT EXHAUST MANIFOLDS ARE NOW WARPING PUTTING UNDUE STRESS ON REMAINING MANIFOLD BOLTS AND CREATING AN EXHAUST LEAK. BOLTS ARE STEEL, MANIFOLDS ARE CAST, AND HEADS ARE ALUMINUM. DISSIMILAR METALS, HEAT, AND MOISTURE HAVE CAUSED THE BOLTS TO PREMATURELY RUST AND FAIL. EMISSIONS DILUTION WILL NOT ALLOW FOR A PASSING SMOG TEST IN 2013. GMC REFUSES TO ADDRESS THE ISSUE AT HAND, EVEN THOUGH THIS IS A RECURRING ISSUE ON ALL V8 ENGINES. ESTIMATE TO REPAIR; $2500. *TR

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