NHTSA safety investigation
NHTSA Investigation EA86019
Engineering Analysis · General Motors, LLC · SERVICE BRAKES, HYDRAULIC
An investigation is not a finding that a defect exists.
NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
What NHTSA is examining
The agency's own description of the inquiry, quoted as published
REAR BRAKE FAILURE
SUMMARY: THE REAR DISC BRAKE ADJUST MECHANISM FAILS TO FUNCTION AFTER CORROSION OCCURS. GM HAS REDESIGNED CALIPER ASSM. SAME DESIGN AND PROBLEM ON GM'S E, F, AND P CARS. INVESTIGATION HAS BEEN COMBINED INTO ONE WITH ALL GM CARS USING SAME REAR DISC BRAKE DESIGN.===
An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.
Investigation details
Identifiers, dates and outcome as recorded by NHTSA
- Action number
- EA86019
- Investigation type
- Engineering Analysis (EA)
- Status
- Closed
- Manufacturer
- General Motors, LLC
- Component
- SERVICE BRAKES, HYDRAULIC
- Opened
- Jun 17, 1986
- Closed
- Jul 22, 1988
- Associated recall campaign
- None recorded
Vehicles named in this investigation
10 model years across 2 models
Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.