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NHTSA investigationEA89028

Investigation EA89028: 1986–1987 Buick Electra

Status
CLOSED
Opened
Jul 28, 1989
Closed
Jul 27, 1990
Model years
1986–1987

Subject

REAR BRAKE PIN

Component: Service brakes, hydraulic

Summary

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).===

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.