NHTSA (USA)Critical
1999 PONTIAC BONNEVILLENHTSA Campaign #99V072000
The official notice
Defect
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH CHROME PLATED ALUMINUM WHEELS. SOME OF THESE WHEELS HAVE A MOUNTING SURFACE THAT WAS NOT MACHINED CORRECTLY, CAUSING THE WHEEL STUDS TO BREAK.
Safety Risk
THE TIRE/WHEEL ASSEMBLY COULD SEPARATE FROM THE VEHICLE, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL INSPECT THE WHEELS AND REPLACE ALL WHEELS WITH DATE CODES INDICATING THAT THEY MAY NOT HAVE BEEN MACHINED CORRECTLY. THE WHEEL MOUNTING STUDS AT ANY LOCATION WHERE A SUSPECT WHEEL WAS INSTALLED WILL ALSO BE REPLACED.
Updated June 10, 2026