One problem related to steering linkages has been reported for the 2005 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 GMC Sierra 1500 based on all problems reported for the 2005 Sierra 1500.
Steering intermediate shaft rattles / has excessive slack in it. Have had it repaired under warranty and is now doing it again. Dealer will not fix again without charging. I feel like it is a danger to drive the vehicle. Have found many people with the same problem via the internet.