Pinpoint Test B: The Parking Brake Will Not Release And/Or Rear Brakes Drag

B1 CHECK THE PARKING BRAKE CONTROL
- Pull up on the parking brake control handle.
- Does the parking brake control handle move?
- Yes : GO to B2.
- No : INSTALL a new parking brake control. REFER to PARKING BRAKE CONTROL . TEST the system for normal operation.
B2 CHECK THE REAR PARKING BRAKE CABLES
- Disconnect the front cable from the rear cable equalizer.
- Disconnect the LH and RH parking brake cables from 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 B3.
- No : INSTALL new rear brake cable(s). REFER to PARKING BRAKE CABLE - REAR . TEST the system for normal operation.
B3 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.