Pinpoint Test
This pinpoint test is intended to diagnose the following:
- Front parking brake cable and conduit
- Parking brake control
- Rear parking brake cable and conduit
- Rear brake calipers
- CHECK THE PARKING BRAKE CONTROL
- Press the parking brake control pedal.
Does the parking brake control move?
- Yes: GO to 2 .
- No: INSTALL a new parking brake control. REFER to Parking Brake Control . TEST the system for normal operation.
- CHECK THE REAR PARKING BRAKE CABLES
- Disconnect the LH and RH cables from the front cable equalizer.
- Disconnect the LH and RH parking brake cables from the subframe brackets and the brake calipers.
- While holding the rear cable conduit, attempt to slide the rear cable inside the conduit.
Does the cable slide freely inside the conduit?
- Yes: GO to 3 .
- No: INSTALL new rear brake cable(s). REFER to Parking Brake Cable - RH Rear or REFER to Parking Brake Cable - LH Rear . TEST the system for normal operation.
- CHECK THE REAR BRAKE CALIPERS AND HARDWARE
- Inspect the brake calipers, actuators and return springs.
Are the components in good condition?
- Yes: INSTALL a new parking brake control. REFER to Parking Brake Control . TEST the system for normal operation.
- No: INSTALL new components as necessary. REFER to REAR DISC BRAKE . TEST the system for normal operation.