Pinpoint Test A: The Parking Brake Does Not Apply
- A1 CHECK FOR MISADJUSTED PARKING BRAKE CABLE
- Adjust the parking brake cable. Refer to PARKING BRAKE CABLE ADJUSTMENT .
- Does the parking brake now engage correctly?
- Yes : Vehicle OK.
- No
: equipped with rear drum brakes, GO to A2.
If equipped with rear disc brakes, GO to A3.
- A2 CHECK FOR WORN BRAKE SHOES
- Inspect the brake shoes for excessive wear
- Are the brake shoes OK?
- Yes : GO to A4.
- No : INSTALL new brake shoes. REFER to DRUM BRAKE . TEST the system for normal operation.
- A3 CHECK FOR WORN PARKING BRAKE SHOES
- Inspect the parking brake shoes for excessive wear.
- Are the parking brake shoes OK?
- Yes : GO to A4.
- No : INSTALL new parking brake shoes. REFER to PARKING BRAKE SHOES . TEST the system for normal operation.
- A4 CHECK FOR DAMAGED PARKING BRAKE CABLES
- Inspect the parking brake cables and conduit for damage, rust or fraying.
- Are the parking brake cables OK?
- Yes : CHECK for other causes such as loose parking brake control or conventional brake system components.
- No : REPAIR or INSTALL new cables as necessary. REFER to PARKING BRAKE CABLE - FRONT or PARKING BRAKE CABLE - REAR . TEST the system for normal operation.