NHTSA investigationDP77008
Investigation DP77008: 1971–1977 Chevrolet Chevrolet
- Status
- CLOSED
- Opened
- Mar 1, 1977
- Closed
- May 24, 1977
- Model years
- 1971–1977
Subject
Power brake booster
Component: Service brakes, hydraulic
Summary
Power brake booster
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.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.