One problem related to steering gear box shaft pitman has been reported for the 2006 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 GMC Sierra 2500 based on all problems reported for the 2006 Sierra 2500.
My vehicle was totaled and I see their is a recall for the pitman arm that can cause total loss if steering and that is what happened to me.