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General Procedures > < Parking Brake
Parking Brake and Actuation - Parking Brake Transit 2000.5 (01/2000-05/2006)
Diagnosis and Testing

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Mechanical Electrical
  • Parking brake control
  • Parking brake cable
  • Fuse(s)
  • Electrical connector(s)
  • Wiring harness
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart.

Symptom Chart

Symptom Chart

Symptom Possible Sources Action
The parking brake will not apply
*
Parking brake control.
*
Parking brake cable.
*
GO to Pinpoint Test A.
The parking brake will not release
*
Parking brake control.
*
Parking brake cable.
*
GO to Pinpoint Test B.

Pinpoint Tests

PINPOINT TEST A : THE PARKING BRAKE WILL NOT APPLY

TEST CONDITIONS DETAILS/RESULTS/ACTIONS
A1: CHECK FOR MISADJUSTED REAR PARKING BRAKE CABLE
1
Operate the parking brake control several times to adjust the cable.

Does the parking brake now engage correctly?
Yes
Parking brake is OK.
No
A2: CHECK THE BRAKE SHOES AND BRAKE DRUMS
1
Check the brake shoes and drums for grease or fluid on the linings and excessive wear.

Are any concerns present?
Yes
CLEAN or INSTALL new brake shoes or brake drums as necessary. REFER to Section  206-02 Drum Brake.
No
A3: CHECK FOR DAMAGED PARKING BRAKE CABLES
1
Inspect the parking brake cables for damage, rust or fraying.

Are the parking brake cables OK?
Yes
INSPECT for other causes such as loose parking brake control or other brake system components. REFER to Section  206-00 Brake System - General Information.
No
REPAIR or INSTALL parking brake cables as necessary. TEST the system for normal operation.

PINPOINT TEST B : THE PARKING BRAKE WILL NOT RELEASE

TEST CONDITIONS DETAILS/RESULTS/ACTIONS
B1: CHECK THE PARKING BRAKE CONTROL
1
Raise and support the vehicle on a wheel-free lift with the parking brake fully applied. REFER to Section  100-02 Jacking and Lifting.
  • Release the parking brake by pulling upwards on the control level and pushing the release button.

Did the parking brake release?
Yes
INSPECT for other causes such as conventional brake system components. REPAIR or INSTALL new components as necessary. REFER to Section  206-00 Brake System - General Information.
No
B2: CHECK THE PARKING BRAKE CABLE
1
Loosen the parking brake cable tension at the parking brake cable equalizer.
  • Rotate the rear wheels by hand.

Did the rear wheels turn freely?
Yes
INSTALL a new parking brake control.
REFER to Parking Brake Control in this section.
TEST the system for normal operation.
No
B3: CHECK THE FRONT PARKING BRAKE CABLE
1
Disconnect the parking brake cable from the rear parking brake cable at the parking brake cable equalizer.
  • Rotate the rear wheels by hand.

Did the rear wheels turn freely?
Yes
INSTALL a new front parking brake cable.
REFER to Parking Brake Cable in this section.
TEST the system for normal operation.
No
B4: CHECK THE REAR PARKING BRAKE CABLES
1
Disconnect the rear parking brake cable at the rear brakes, one at a time.
REFER to Parking Brake Cable in this section.
  • Rotate the wheel affected by the disconnected parking brake cable.

Did the wheel turn freely?
Yes
INSTALL a new rear parking brake cable.
REFER to Parking Brake Cable in this section.
TEST the system for normal operation.
No
INSPECT for other causes such as conventional brake system components. REPAIR or INSTALL new components as necessary. REFER to Section  206-00 Brake System - General Information.

General Procedures > < Parking Brake