GMC Sierra 2500 owners have reported 1 problem related to transmission failure (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 2500 based on all problems reported for the Sierra 2500.
Front brake lines failed on boat ramp on 9/15/2010 rear brake lines failed on 7/20/2011, transmission lines fail on 5/10/2012 I am sure gas lines are next. Truck is a complete rust bucket underneath.
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all problems of the 2003 GMC Sierra 2500
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