Pinpoint Test B: The Parking Brake Will Not Release
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- B1 CHECK THE PARKING BRAKE CONTROL RELEASE HANDLE
- Verify that the release handle is connected to the parking brake control.
- Is the release handle connected?
- Yes: GO to B2 .
- No: CONNECT the handle and TEST the system for normal operation.
- B2 ISOLATE THE PARKING BRAKE CONTROL
- Disconnect the RR cable and conduit from the body bracket, then disconnect the front cable from the connector.
- Disconnect the front parking brake cable conduit from the LR cable.
- Does the parking brake release?
- Yes: INSTALL a new parking brake control. REFER to PARKING BRAKE CONTROL . TEST the system for normal operation.
- No: GO to B3 .
- B3 CHECK THE FRONT PARKING BRAKE CABLE
- While holding the front cable conduit, attempt to slide the front cable inside the conduit.
- Does the cable slide freely inside the conduit?
- Yes: GO to B4 .
- No: INSTALL a new front cable. REFER to PARKING BRAKE CABLE - FRONT . TEST the system for normal operation.
- B4 CHECK THE REAR BRAKE SHOES AND HARDWARE
- Remove the rear brake drum, refer to BRAKE DRUM .
- Inspect the brake shoes, hardware and backing plate.
- Are the shoes, hardware and backing plate in good condition?
- Yes: GO to B5 .
- No: INSTALL new components as necessary. TEST the system for normal operation.
- B5 ISOLATE THE REAR PARKING BRAKE CABLES
- Remove the brake shoes, refer to BRAKE SHOES . Compress the rear parking brake cable conduit locking tabs and pull the cable assembly through the brake backing plate.
- 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 B4.
- No: INSTALL a new rear cable. REFER to PARKING BRAKE CABLE - REAR, RH and/or PARKING BRAKE CABLE - REAR, LH . TEST the system for normal operation.