# NHTSA Engineering Analysis EA86005
> **POWER BRAKE BOOSTER** · Opened 1985-11-25 · Closed 1987-07-23
## Investigation
- **Action number:** EA86005
- **Type:** Engineering Analysis
- **Open date:** 1985-11-25
- **Close date:** 1987-07-23
- **Manufacturer:** Ford Motor Company
- **Affected makes:** FORD; MERCURY
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1980
- **Affected (make, year) variants:** 2
## Summary

SUMMARY OF INFORMATION FROM MANUFACTURER:FORD INITIATED SERVICE ACTIONSTO CHECK FOR ENGINE IDLE SPEED, TO DECREASE BOOSTER RUNOUT, AND TO FURTHERREDUCE THE INITIAL BRAKE PEDAL TRAVEL.ANALYSIS:THE MAJORITY OF THE REPORTS ARE DATED IN THE 1979-1981 ERA.MOST ACCIDENTS OCCURRED IN THE FIRST TWO YEARS OF OPERATION.STATUS:A SURVEY OF ABOUT 2,000 SUBJECT CAR OWNERS CONCERNING THE BOOSTERPROBLEM HAS BEEN COMPLETED.THE ACSC REPORT WAS RECEIVED 6/10/87.CLOSED 7/23/87.===

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA86005)
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