Investigation EA86033: 1979–1981 Chevrolet Chevette

Status

CLOSED

Opened

Sep 30, 1986

Closed

Aug 25, 1987

Model years

1979–1981

Subject

BRAKE FAILURE

Component: Service brakes, hydraulic

Summary

Summary of information from manufacturer:gm maintains that there is no defect in the design.spatial relationship does not change with application of pedal force.gm believes that their test data demonstrates that pedal, bracket, and firewall are sufficiently stout.gm reportsno field complaints on this alleged defect. Analysis:this alleged defect was reported in a bendix trade publication. It cited firewall flexing as reducing the pedal free play and preventingthe master cylinder from compensating normally.status:on dec 11,1986, a memo was sent to vrtc requesting testing on a vehicle in order to evaluate the alleged defect.vrtc has purchased a test vehicle and testing has been completed.draft report in review cycle. Proposed action:closed aug 25,1987===

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

• 1981 Chevrolet Chevette5 complaints