3.3

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
40,000 miles

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problem #3

Jul 032006

Bonneville 6-cyl

  • Automatic transmission
  • 120,000 miles
My nephew was driving his 1995 Pontiac Bonneville and turned into a driveway. At that time, the rear body to subframe mounts failed, as the bolts pulled through the mild steel retainer disks that had been weakened by rust caused the rear of the subframe to drop away from the body of the car, pulling the steering shaft out of its socket. This caused an immediate and total loss of steering. It seems likely that a weakened mount retainer disk might fail under vehicle acceleration at higher speeds. The mounts were replaced with new ones, which appeared to be made of mild steel. The shape of the part is such that it seems likely water and road salt would collect and weaken the part. Stainless or another alloy might be a better choice.

- Mount Prospect, IL, USA

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problem #2

Jul 122002

Bonneville

  • miles
Subframe dropped out, causing loss of steering.

- Richwood, OH, USA

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problem #1

Oct 011998

Bonneville

  • miles
While driving and making a sudden stop the driver's seat moves forward which may cause loss of vehicle control. Also problems with inner panel which comes out, causing the window to shake vigorously and may break. Cause unknown.

- Brooklyn, NY, USA

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