G874432P2: the Parking Brake Will Not Release

PINPOINT TEST G874432p2: THE PARKING BRAKE WILL NOT RELEASE

G874432t4: CHECK PARKING BRAKE CONTROL

1. Raise and support the vehicle with the parking brake fully applied.
2. Release the parking brake by pulling upwards on the control lever and pushing the release button.

^ Did the parking brake control release?

-> Yes
CHECK for other causes such as conventional brake system components, REPAIR or INSTALL new components as necessary.

-> No
GO to Pinpoint Test G874432t5.

G874432t5: CHECK PARKING BRAKE CABLES

1. Loosen the parking brake cable tension.

Rotate the wheels by hand.

^ Did the rear wheels rotate OK?

-> Yes
CHECK and INSTALL a new parking brake control as required.
TEST the system for normal operation.

-> No
GO to Pinpoint Test G874432t7.

G874432t7: CHECK REAR PARKING BRAKE CABLES

1. Disconnect the parking brake rear cable from the vehicle and check for binding/sticking.

^ Did the parking brake rear cable show signs of binding/sticking?

-> Yes
INSTALL a new rear parking brake cable.
TEST the system for normal operation.

-> No
Check for parking brake component or rear brake caliper failures.