# 1997 FORD F-250 — SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
> NHTSA complaint `131756` · 1999-01-16 · Ford Motor Company
## Severity
- **Deaths:** 0
- **Injured:** 2
- **Fire:** No
- **Crash:** Yes
- **Police report:** Yes
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** FORD
- **Model:** F-250
- **Year:** 1997
- **Manufacturer:** Ford Motor Company
- **Component:** SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
- **Speed:** 45 mph
## Narrative
REAR BRAKE FAILURE ON NUMEROUS OCCASIONS.  FINALLY RESULTED IN CRASH. DEALER COULD NOT FIND ANY PROBLEM. SELF DIAGNOSIS OF RAISING REAR OF VEHICLE WHILE IDLING IN DRIVE WITH REAR WHEELS SPINNING REAR WHEELS COULD NOT BE STOPPED WITH FULL BRAKE PRESSED.  NO BRAKING ON REAR WHEELS.  DISCONNECTING WIRE TO PROPORTIONING VALVE RESULTS IN NORMAL REAR BRAKE OPERATION.  POSSIBLE CAUSE IS EBCM OR PROPORTIONING VALVE.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*