Investigation EA86006: 1978–1982 Buick Century

Status

CLOSED

Opened

Nov 27, 1985

Closed

Nov 28, 1988

Model years

1978–1982

Subject

Brake backing plate

Component: Service brakes, hydraulic

Summary

Summary:gm is conducting a voluntary recall campaign (85v-048)involving 2,136,826 vehicles. The recall is limited to vehicles built atcertain assembly plants which, according to gm, overtorqued the brakepipe nut,thereby overstressing the wheel cylinder support area of thebacking plate.analysis:front brakes provide sufficient braking for passenger carsin most non-emergency situations. All affected trucks are included inthe current recall.in most cases the problem is discovered during brakemaintenance.the recall appears to cover those groups of cars with thehighest failure rates.status:analyzing gm ir response and new complaint data. Draft closingreport by 5/15/88.===

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.