Pinpoint Test

This pinpoint test is intended to diagnose the following:

Front parking brake cable and conduit
Parking brake control
Rear parking brake cables and conduits
Rear brake calipers

CHECK THE PARKING BRAKE CONTROL
1. Press the parking brake control pedal.
Does the parking brake control move?
- Yes: GO to 2 .
- No: GO to 3.
CHECK FOR BROKEN CABLES
NOTE: Have an assistant press and release the parking brake pedal to help isolate disconnected cables or cables that do not move.
1. Inspect the following items for damage and correct connections:
2. Parking brake control
3. Front cable
4. LH rear cable
5. RH rear cable
6. Cable equalizer
7. Rear brake caliper actuators GENERAL SPECIFICATIONS
Is any damage found or are any components disconnected?
- Yes: CONNECT the component(s) or INSTALL new parking brake component(s) as necessary. TEST the system for normal operation.
- No: VERIFY that the rear pads and brake discs are within thickness specifications. REFER to GENERAL SPECIFICATIONS . If the rear pads and brake discs are OK, INSTALL new rear brake calipers. REFER to BRAKE CALIPER .
ISOLATE THE PARKING BRAKE CONTROL AND FRONT PARKING BRAKE CABLE
1. Disconnect the front cable from the RH cable at the cable union by releasing the locking tab.
  
  Fig 1: Locating Front Cable Locking Tab
  Courtesy of FORD MOTOR CO.
2. Press the parking brake control pedal.
Does the parking brake control pedal move?
- Yes: GO to 4 .
- No: INSTALL a new parking brake control. REFER to Parking Brake Control . TEST the system for normal operation.
ISOLATE THE REAR PARKING BRAKE CABLES
1. Disconnect the LH and RH parking brake cables from the subframe brackets and the brake calipers.
2. While holding the cable conduit, attempt to slide the cable inside the conduit.
Does the cable slide freely inside the conduit?
- Yes: INSTALL new rear brake calipers. REFER to BRAKE CALIPER .
- No: INSTALL new rear brake cable(s). REFER to Parking Brake Cable - Rear . TEST the system for normal operation.