What NHTSA investigated
Summary:these vehicles have rear drum brakes.the parking lever pivotpin is held by an e ring.when the ring fails, parts of the ring andpin fall loose into the drum and may jam the brake, locking the wheel.a stronger e ring is used in 1988 and newer cars.this investigationhas been expanded to include gms c body cars listed above (e ring commonto all cars shown).===
Vehicles covered
| Make | Model | Model years |
|---|---|---|
| Buick | ELECTRA | 1986–1987 |
| Buick | LESABRE | 1986–1987 |
| Cadillac | DEVILLE | 1986–1987 |
| Oldsmobile | 88 | 1986–1987 |
| Oldsmobile | 98 | 1986–1987 |
| Pontiac | BONNEVILLE | 1986–1987 |
Source
From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.