C 1500 Truck 2WD V6-4.3L VIN X (2003)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Antilock Brake System
Repair Instructions
Brake Pressure Modulator Valve (BPMV) Replacement
Removal Procedure
Caution: Refer to Brake Fluid Irritant Caution in Cautions and Notices.
Caution: Refer to Battery Disconnect Caution in Cautions and Notices.
Note: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Cautions and Notices.
1. Remove the negative battery cable.
Important: The area around the EHCU MUST be free from loose dirt to prevent contamination of disassembled ABS components.
2. Thoroughly wash all contaminants from around the EHCU.
3. Disconnect the chassis electrical harness connectors from the EBCM.
Important: Make sure that brake lines are tagged and kept in order for proper reassembly.
4. Disconnect 5 brake lines from the BPMV.
5. Remove the bolts (4) securing the EHCU mounting bracket (3) to the frame rail (5).
6. Remove the EHCU assembly (1) from the vehicle.
7. Remove the bolts (4) securing the BPMV mounting bracket (5) to the BPMV (3).
8. Disconnect the 2 way ABS pump motor connector.
