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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 3170 (Parking Brake System - Parking Brake & Actuation -- F250-F550 Super Duty) >> Diagnosis And Testing >> Parking Brake >> Pinpoint Tests >> Pinpoint Test B: The Parking Brake Does Not Release >> Pinpoint Test B: The Parking Brake Does Not Release

Pinpoint Test B: The Parking Brake Does Not Release

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. B1 CHECK THE PARKING BRAKE CONTROL RELEASE HANDLE AND CABLE 
    • Verify that the release handle and cable are connected to the parking brake control.
    • Are the release handle and cable connected? 
      • Yes  : GO to B2.
      • No  : CONNECT the handle and cable. TEST the system for normal operation.
  2. B2 CHECK THE REAR PARKING BRAKE CABLES 
    • Disconnect the LH cable from the RH conduit equalizer.
    • Disconnect the front parking brake cable from the RH rear parking brake cable at the cable union.
      Fig 1: Locating Parking Brake Cable
      G06125843Courtesy of FORD MOTOR CO.
    • Disconnect the rear parking brake cables from the parking brake actuating levers.
    • While holding the rear cable conduit, attempt to slide the rear cable inside the conduit.
    • Does the cable slide freely inside the conduit? 
  3. B3 CHECK THE REAR PARKING BRAKE SHOES AND HARDWARE 
    • Remove the rear brake disc. Refer to REAR DISC BRAKE .
    • Inspect the parking brake shoes, hardware and backing plate.
    • Are the shoes, hardware and backing plate in good condition? 
      • Yes  : GO to B4.
      • No  : INSTALL new components as necessary. REFER to Parking Brake Shoes . TEST the system for normal operation.
  4. B4 ISOLATE THE FRONT PARKING BRAKE CABLE 
      NOTE: The parking brake control take-up spool tab may need to be bent aside to allow the cable to be removed.
      Fig 2: Locating Parking Brake Control Take-Up Spool Tab
      G06167611Courtesy of FORD MOTOR CO.
    • Disconnect the front parking brake cable and conduit from the parking brake control.
    • While holding the cable conduit, attempt to slide the cable inside the conduit.
    • Does the cable slide freely inside the conduit? 
      • Yes  : INSTALL a new parking brake control. REFER to Parking Brake Control . TEST the system for normal operation.
      • No  : INSTALL a new front cable. TEST the system for normal operation.
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