NHTSA safety investigation
NHTSA Investigation EA87008
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 BRAKES
SUMMARY OF INFORMATION FROM MANUFACTURER:GMREVIEWED THE MATTER AND...HAS NOT IDENTIFIED A SAFETY-RELATED BRAKE CONDITION THAT REQUIRESFIELD CORRECTION.ANALYSIS:IT APPEARS THAT THE PARKING BRAKE ACTUATION SYSTEM OR THEPISTONS WITHIN THE CALIPER CAN SEIZE PROHIBITING REAR DISC BRAKE FUNC-TION.A SEIZED CALIPERS CAN RESULT IN UNEVEN BRAKE OPERATION (PULL)AND/OR TOTAL LOSS OF THE EMERGENCY BRAKE FUNCTION.STATUS:TEST REQUEST AT ETF AND NEAR COMPLETION.AWAITING GM RESPONSE TO JUNE 17, 1988 INFORMATION REQUEST.===
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
- EA87008
- Investigation type
- Engineering Analysis (EA)
- Status
- Closed
- Manufacturer
- General Motors, LLC
- Component
- SERVICE BRAKES, HYDRAULIC
- Opened
- Dec 17, 1986
- Closed
- Jul 22, 1988
- Associated recall campaign
- None recorded
Vehicles named in this investigation
3 model years across 1 model
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.