PINPOINT TEST A : THE PARKING BRAKE WILL NOT APPLY
TEST CONDITIONS | DETAILS/RESULTS/ACTIONS |
A1: CHECK PARKING BRAKE CABLE ADJUSTMENT | |
Yes Vehicle OK No REFER to: Parking Brake Cable Adjustment (206-05 Parking Brake and Actuation, General Procedures). |
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A2: CHECK FUNCTION OF PARKING BRAKE ON BRAKE CALIPER | |
REFER to: Lifting (100-02 Jacking and Lifting, Description and Operation). With the aid of another technician, release the parking brake and check the operation of the brake cables and levers.
Yes CHECK the other causes such as conventional brake system components. REPAIR or INSTALL new components as necessary. No REFER to: Brake Caliper (206-04 Rear Disc Brake, Removal and Installation). TEST the system for normal operation. |
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A3: CHECK FOR WORN BRAKE SHOES OR PADS | |
REFER to: Specifications (206-00 Brake System - General Information, Specifications). Are the brake shoe linings or brake pads OK? Yes GO to A4. No INSTALL new brake shoes or pads. REFER to: Brake Pads (206-04 Rear Disc Brake, Removal and Installation). TEST the system for normal operation. |
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A4: CHECK FOR DAMAGED PARKING BRAKE CABLES | |
Yes CHECK for other causes such as loose parking brake control or conventional brake system components. No REPAIR or INSTALL cables and conduit as necessary. TEST the system for normal operation. |
PINPOINT TEST B : THE PARKING BRAKE WILL NOT RELEASE
TEST CONDITIONS | DETAILS/RESULTS/ACTIONS |
B1: CHECK PARKING BRAKE CONTROL | |
With the aid of another technician, release the parking brake and check the operation of the brake cables and levers.
Yes CHECK the other causes such as conventional brake system components. REPAIR or INSTALL new components as necessary. No GO to B2. |
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B2: CHECK PARKING BRAKE CABLES | |
Rotate the rear wheels by hand.
Yes INSTALL a new parking brake control. REFER to: Parking Brake Control (206-05 Parking Brake and Actuation, Removal and Installation). TEST the system for normal operation. No GO to B3. |
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B3: CHECK FRONT PARKING BRAKE CABLE | |
Rotate the rear wheels by hand.
Yes INSTALL a new front parking brake cable and conduit. REFER to: Parking Brake Rear Cables (206- 05 Parking Brake and Actuation, Removal and Installation). TEST the system for normal operation. No GO to B4. |
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B4: CHECK REAR PARKING BRAKE CABLES | |
Rotate the wheel affected by the disconnected parking brake.
Yes INSTALL a new parking brake control lever on the rear drum brakes or caliper assembly on rear disc brakes. REFER to: Parking Brake Control (206-05 Parking Brake and Actuation, Removal and Installation) / Brake Caliper (206-04 Rear Disc Brake, Removal and Installation). TEST the system for normal operation. No REFER to: Brake System (206-00 Brake System - General Information, Diagnosis and Testing). |