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Problems with 2002 GMC Sierra 3500 UNKNOWN OR OTHER

On average, the 2002 GMC Sierra 3500 starts to “feel” problems with the UNKNOWN OR OTHER and its various aspects after 101 000 miles.

Recently reported UNKNOWN OR OTHER problems on 2002 GMC Sierra 3500

This truck has the same problems as the 2007 model. the ignition switch, parking brake, and fuel lines all have issues as similarly described for the 2007 model. the fuel lines actually broke through causing a leak of the diesel fuel. this happened after the vehicle was driven a short distance of 15 miles.

Other 2002 GMC Sierra 3500 Problem Categories