There are 3 owner-reported steering complaints for the 2008 GMC Sierrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE LOWER STEERING SHAFT IS MAKING A NOISE. TOOK TO A REPAIR CENTER AND SHOW THE SHAFT NEEDS TO BE LUBED IT MAKES A CREAKING NOISE WHEN DRIVING OVER HUMPS AND ALSO THE SLIP YOKE IN THE REAR OF THE TRUCK WHEN COMING TO A STOPPED POSITION THE DRIVE SHAFT MOVES AND BACK AND IT FEELS AS IF YOU WAS BEING BUMPED FROM THE REAR OF THE VEHICLE. THE TWO ISSUES ARE FOUND ALL OVER THE WEB REPORTING THESE ISSUES AND GMC AS NOT IDENTIFIED OR RESOLVED THESE ISSUES ESPECIALLY ON THESE MODELS. *TR
DRIVING HOME, THE SPINDLE ARM BROKE, CAUSING THE TIRES TO LOSE STEERING ABILITY, LEADING TO THE LOSS OF CONTROL AND THE TRUCK GOING INTO PENSACOLA BAY. NO AIRBAG DEPLOYMENT. DRIVER KNOCKED UNCONSCIOUS. *TR
WHILE DRIVING A BRAND NEW 2008 GMC SIERRA, 4 DOOR, 4 WHEEL DRIVE WITH ONLY 872 MILES ON THE ODOMETER, GOING APPROXIMATELY 30 TO 40 MPH, THE STEERING KNUCKLE HOLDING THE TIE ROD BROKE ON DRIVERS FRONT SIDE. THE DRIVER IMPACTED A PULL CAMPER TRAILER EXPLODING THE TIRE UPON IMPACT WITH THE CAMPER. THE WHEEL RIM WAS TURNED SIDE WAYS AS IT IMPACTED THE TIRES OF THE CAMPER FLATTENING 2 TIRES CURLING THE CAMPER WHEEL RIMS AND CAUSING DAMAGE ALONG THE SIDE OF THE CAMPER. THEN IMPACTED A FORD CAR DOWN THE DRIVERS SIDE THAT WAS FOLLOWING THE CAMPER. THE IMPACT CAUSED THE AIRBAG TO DEPLOY IN THE TRUCK. THE TIRE ON THE TRUCK WAS FOUND OVER 200 FEET FROM THE IMPACT. THE MARKINGS ON THE TIRE WERE CONSISTENT WITH THE STEERING KNUCKLE BREAKAGE. INSPECTION BY BOTH THE TOW TRUCK OWNER AND THE COLLISION REPAIR SHOP NOTICED THAT THE PART LOOKED DEFECTIVE AND POINTED IT OUT TO THE OWNER OF THE TRUCK. THE TOW TRUCK OPERATOR OWNS AN IDENTICAL TRUCK AND WAS VERY CONCERNED ABOUT THE SAFETY OF HIS OWN VEHICLE. THIS VEHICLE HAS NOT BEEN REPAIRED AND IS AVAILABLE FOR INSPECTION. IF FAILURE WOULD HAVE OCCURRED A FEW HOURS LATER ON INTERSTATE 95 AT 70 MPH (A PLANNED TRIP) THE OUTCOME COULD HAVE BEEN MUCH DIFFERENT. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026