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Home >> Mercedes Benz >> 2024 >> eSprinter Base, _NA_ >> Repair and Diagnosis >> External Pages >> Different car >> Section 2097 (Parking Brake System & Actuation -- F250-F550 Super Duty) >> Diagnostic Tests >> Parking Brake >> Pinpoint Tests >> Pinpoint Test A: The Parking Brake Does Not Apply >> Pinpoint Test A: The Parking Brake Does Not Apply

Pinpoint Test A: The Parking Brake Does Not Apply

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1 CHECK THE PARKING BRAKE CONTROL 
    • Press the parking brake control pedal.
    • Does the parking brake control move? 
    1. YES  : Go to  A2.
    2. NO  : Go to  A4.
  2. A2 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.
    • Inspect the front cable, both rear cables, cable equalizers and parking brake shoe or brake shoe actuators for damage and correct connections.
    • Is any damage found or are any cables disconnected? 
    1. YES  : CONNECT the cable(s) or INSTALL new parking brake component(s) as necessary. TEST the system for normal operation.
    2. NO  : Go to  A3.
  3. A3 CHECK THE PARKING BRAKE SHOES AND HARDWARE 
    • Remove the rear brake disc, refer to REAR DISC BRAKE article. Inspect the parking brake shoes and hardware for damage and/or missing components.
    • Is any damage found or are any components missing? 
    1. YES  : INSTALL new components as necessary. TEST the system for normal operation.
    2. NO  : INSTALL a new parking brake control. REFER to Parking Brake Control . TEST the system for normal operation.
  4. A4 ISOLATE THE PARKING BRAKE CONTROL AND FRONT PARKING BRAKE CABLE 
      Fig 1: Locating Cable-To-Cable Connector Clip
      GF0006709Courtesy of FORD MOTOR CO.
    • Disconnect the front parking brake cable from the LH rear parking brake cable at the cable union.
    • Press the parking brake control pedal.
    • Does the parking brake control pedal move? 
    1. YES  : Go to  A5.
    2. NO  : Go to  A6.
  5. A5 ISOLATE THE REAR PARKING BRAKE CABLES 
      Fig 2: Locating Parking Brake Cable At LH Bracket Assembly
      G03919405Courtesy of FORD MOTOR CO.
    • Release the rear parking brake cables from the bracket assembly.
    • Fig 3: Locating Parking Brake Actuating Levers
      G03919392Courtesy of FORD MOTOR CO.
    • Rotate the rear parking brake cables 90 degrees to release them from the parking brake actuating levers.
    • While holding the cable conduit, attempt to slide the cable inside the conduit.
    • Does the cable slide freely inside the conduit? 
    1. YES  : INSPECT the parking brake shoes, hardware and backing plate. INSTALL new components as necessary. REFER to Parking Brake Shoes . TEST the system for normal operation.
    2. NO  : INSTALL new rear brake cable(s). REFER to Parking Brake Cable - LH  or Parking Brake Cable - RH . TEST the system for normal operation.
  6. A6 ISOLATE THE FRONT PARKING BRAKE CABLE 
    • 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? 
    1. YES  : INSTALL a new parking brake control. Refer to Parking Brake Control . TEST the system for normal operation.
    2. NO  : INSTALL a new front parking brake cable. TEST the system for normal operation.