Parking Brake System: Adjustments

PARK BRAKE CABLE TENSIONER

NOTE: Tensioner adjustment is only necessary when the tensioner, or a cable has been replaced or disconnected for service. When adjustment is necessary, perform adjustment only as described in the following procedure. This is necessary to avoid faulty park brake operation.

1. Raise vehicle.
2. Back off cable tensioner adjusting nut create slack in cables.
3. Remove rear wheel/tire assemblies. Then remove brake drums.
4. Verify brakes are in good condition and operating properly.
5. Verify park brake cables operate freely and are not binding, or seized.
6. Check rear brake shoe adjustment with standard brake gauge.
7. Install drums and verify that drums rotate freely without drag.
8. Install wheel/tire assemblies.
9. Lower vehicle enough for access to park brake foot pedal. Then fully apply park brakes.

NOTE: Leave park brakes applied until adjustment is complete.

10. Raise vehicle again.

Adjustment Mark On Cable Tensioner Rod:

11. Mark tensioner rod 6.35 mm (1/4 inch) from edge of tensioner if no mark is visible.

NOTE: The rod is mark from the factory.

12. Tighten adjusting nut at the on tensioner rod moves into alignment with tensioner.

CAUTION: Do not loosen, or tighten the tensioner adjusting nut for any reason after completing adjustment.

13. Lower vehicle until rear wheels are 15 - 20 cm (6 - 8 inch) off shop floor.
14. Release park brake foot pedal and verify that rear wheels rotate freely without drag. Then lower vehicle.