Hydraulic Modulator Assembly Replacement

WARNING: To help avoid personal injury due to a retained load on the hydraulic modulator, the GEAR TENSION RELIEF function of the scan tool must be performed prior to removal of the ABS hydraulic modulator assembly.

REMOVE OR DISCONNECT
1. Using the scan tool, perform GEAR TENSION RELIEF function under SPECIAL FUNCTIONS.
2. Battery.
3. Battery tray.
4. Upper radiator hose.





5. Solenoid electrical connectors.
6. Motor Pack electrical connector.





7. Brake pipes. Note position.





8. Hydraulic modulator assembly to bracket mounting nut.
9. Hydraulic modulator assembly.

INSTALL OR CONNECT
1. Hydraulic modulator assembly.
2. Hydraulic modulator assembly to bracket mounting nut. Tighten Nut to 30 Nm (22 ft. lbs.).





3. Brake pipes to Hydraulic Modulator. Use locations noted during removal.

WARNING: Make sure brake pipes are correctly connected to BPMV. If brake pipes are switched by mistake (inlet vs. outlet), wheel lockup will occur and personal injury may result. Tighten Brake pipes to 24 Nm (18 ft. lbs.).

4. Motor Pack electrical connector.
5. Solenoid electrical connectors.
6. Upper radiator hose.
7. Battery tray.
8. Battery and bleed system. Service and Repair
9. Perform Diagnostic System Check.