ABS Main Relay: Service and Repair

REMOVAL





1. Disconnect battery cable.
2. Drain brake fluid.
3. Remove relay unit from actuator (if only relay unit requires replacement).
4. Apply different colored paint to each pipe connector and actuator to prevent incorrect connection.
5. Disconnect connector, brake pipes and remove fixing nuts and actuator ground cable.
6. Remove actuator.

INSTALLATION

CAUTION: After installing actuator, refill brake fluid. Then bleed air.

1. Tighten actuator ground cable.
Place ground cable at a notch of mounting bracket.
2. Connect brake pipes temporarily.
3. Tighten fixing nuts.
4. Tighten brake pipes.
5. Fix relay unit onto actuator.
6. Connect connector and battery cable.