Modulator Solenoid Valves

Remove or disconnect

Disconnecting Modulator Solenoid Valve Wiring Connector

501. MODULATOR SOLENOID VALVE.

516. MODULATOR BLOCK ASSEMBLY WITH ELECTRIC MOTORS.

517. SOLENOID VALVE WIRING CONNECTOR.

560. EXPANSION TANK HOSE

Removal of Modulator Solenoid Valve

501. MODULATOR SOLENOID VALVE.

516. MODULATOR BLOCK ASSEMBLY WITH MOTORS

PROCEDURE.

1. Disconnect the negative battery cable.

2. Disconnect the solenoid valve connector, see Disconnecting Modulator Solenoid Valve Wiring Connector.

modulator..

3. Remove the two Torx (internal hex) bolts and

remove the solenoid valve from the modulator block, see Removal of Modulator Solenoid Valve..

Warning.

Check the seal on the solenoid valve after removal. If the seal is missing, check the bore in the modulator block housing. Do not

attempt to disassemble the solenoid valve. The solenoid valve is replaced as a complete unit. Lubricate the solenoid valve seal with clean brake fluid..

Installation

PROCEDURE.

1. Install the solenoid valve into the modulator block bore..

1a. Check the correct position of the seal lip before installing the solenoid valve into the

bore..

1b. Install the solenoid valve into the modulator block so that the electrical connector faces

the same direction as before removal..

1c. Press the solenoid valve by hand to seat its flange fully against the

modulator block..

2. Install and tighten the two Torx bolts to secure the solenoid valve. Tighten the Torx bolts to 4.5 N·m..

3. Solenoid valve electrical connector..

4. Negative battery cable..

5. Bleed air from the brake hydraulic system.