There are 2 owner-reported suspension complaints for the 2003 Pontiac Grand Prixin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I HAVE NOTICED FOR SOME TIME A CLANG ON THE FRONT END WHEN I HIT A POT HOLE. I TOOK IT IN TO BE CHECKED OUT ON THREE SEPARATE OCCASIONS AND TO THREE DIFFERENT SERVICE PLACES AND NO ONE SEEN ANYTHING WRONG. OVER TIME IT GOT LOUDER AND LOUDER. I TOOK IT IN THIS PAST TIME AND FOUND THAT I HAD TWO VERY LARGE CRACKS IN BOTH SWAY BARS THE WORST BEING ON THE FRONT LEFT SIDE. THE SERVICE TECHNICIAN STATED A CRASH WAS BOUND TO HAPPEN IF IT HAD GONE UNDISCOVERED. I HAVE HAD THIS VEHICLE SINCE IT WAS A FEW MONTHS OLD AND IT HAS NEVER BEEN WRECKED IN IS IN VERY GOOD CONDITION. THE SERVICE TECHNICIAN ALSO STATED THAT THIS SHOULD OF NEVER HAPPENED CONSIDERING CONDITION OF THE REST OF MY VEHICLE AND MY MILEAGE. *KB
I BOUGHT THE CAR IN 2009, IT WAS OK FOR A FEW MONTHS, THE PLACE I BOUGHT MY VEHICLE PROVIDED A CARFAX AND CONTAINED 0 INFORMATION STATING NO REPAIRS HAVE EVER BEEN MADE. IT WAS THEN BEGINNING OF 2010. IT FELT LIKE THE FRONT SUSPENSION OR TY ROD CAME APART OR BROKE. THE STEERING IS OFF AND THE THE SUSPENSION JUMPS WHEN I DRIVE IT AND THE "OFF TRAC LIGHT CAME ON AND HAS NEVER GONE OFF. THEN I STARTED SMELLING SMOKE OR BURNING SMELL THAT WAS COMING FROM THE VENTS. NOW I'M BEING TOLD WHEN I HAD A RADIATOR FLUSH THAT THE COMPARTMENT HAS MASSIVE AMOUNT OF SLUDGE AT THE BOTTOM. THE ONLY WAY TO GET RID OF THAT IS TO GET A NEW RADIATOR. PLEASE ADVISE IF THESE COMPLAINTS HAVE BEEN REPORTED BY OTHER SAME VEHICLES. I NEED TO KNOW WHERE TO TAKE MY CAR FOR REPLACEMENT REPAIRS IN THE JOLIET/PLAINFIELD IL. AREA. *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 25, 2026