Vehicle Make / Model: Model Year(s):
- FORD / BRONCO 1992-1994
- FORD / EXPLORER 1993-1994
- FORD / F-150 1992-1994
- FORD / F-250 1992-1994
- FORD / F-350 1992-1994
- FORD / RANGER 1993-1994
Manufacturer: FORD MOTOR COMPANY
Report Receipt Date: SEP 07, 1994
NHTSA CAMPAIGN ID Number: 94V169001 NHTSA Action Number: EA93020
Component: PARKING BRAKE: CONVENTIONAL
Potential Number of Units Affected: 835,791
Summary:
THE PARKING BRAKE CONTROL SELF-ADJUST PAWL DOES NOT LINE UP PROPERLY WITH THE SELF-ADJUST RATCHET CAUSING THE PAWL TO SLIP OVER ONE OR MORE TEETH IN THE RATCHET.
Consequence:
WHEN THE ABOVE OCCURS, IT CAN RESULT IN PARKING BRAKE SYSTEM INEFFECTIVENESS. THE PARKING BRAKE WILL NOT HOLD THE VEHICLE, CAUSING THE VEHICLE TO ROLL FREELY, IF THE TRANSMISSION IS NOT LEFT IN GEAR.
Remedy:
A WEDGE WILL BE INSTALLED WHICH WILL SERVE TO LOCK THE PARKING BRAKE SELF-ADJUST MECHANISM PAWL INTO ENGAGEMENT WITH THE RATCHET. ALSO, OWNERS WILL BE ADVISED TO RELEASE AND REAPPLY THE PARKING BRAKE WHENEVER TOOTH SKIP OCCURS AND WILL BE REMINDED TO ALWAYS TURN OFF THE ENGINE AND LEAVE THE VEHICLE IN GEAR WHEN THE VEHICLE IS PARKED.
Notes:
SYSTEM: EMERGENCY PARKING BRAKE; MECHANICAL. VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND MULTIPURPOSE VEHICLES WITH MANUAL TRANSMISSIONS. NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED FREE OF CHARGE WITHIN A REASONABLE TIME OR THE REMEDY DOES NOT CORRECT THE DEFECT, PLEASE CONTACT FORD AT 1-800-392-3673. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION’S AUTO SAFETY HOTLINE AT 1-800-424-9393.