One problem related to axle shaft has been reported for the 2003 GMC Sonoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sonoma based on all problems reported for the 2003 Sonoma.
While driving on the PA turnpike the driveshaft fell out of the bottom of the truck and dented various parts underneath the truck. After having the driveshaft replaced a click still occurred with the back of the truck. The mechanic believed it was a problem with the entire back axle.