ION L4-2.4L (2007)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Brake Modulator Assembly Replacement
Brake Modulator Assembly Replacement
Caution: Refer to Brake Fluid Irritant Caution.
Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice.
Notice: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to
observe this precaution could result in damage to the EBCM/EBTCM.
Removal Procedure
1. Turn the ignition switch to the OFF position.
2. Clean the brake modulator assembly pipe fitting areas of any accumulated dirt and foreign material.
3. Disconnect the electrical connector from the electronic brake control module (EBCM).
4. Place a shop towel under the brake modulator assembly to catch any brake fluid loss.
Important: Prior to disconnecting the brake pipes from the ABS modulator assembly, note the locations of the brake pipes to the valve
assembly, to aid during installation.
5. Disconnect the caliper and wheel cylinder brake pipes (1) from the brake pressure modulator valve (BPMV).
6. Cap the brake pipe ends to prevent brake fluid loss and contamination.
7. Disconnect the master cylinder brake pipes (2) from the BPMV.
8. Cap the brake pipe ends to prevent brake fluid loss and contamination.
9. Plug the modulator brake pipe openings to prevent brake fluid loss and contamination.
