Brake Pressure Modulator Valve (BPMV) Replacement (325 ABS)
Removal ProcedureImportant: Thoroughly wash all contaminants from around the EHCU. The area around the EHCU must be free from loose dirt to prevent contamination of disassembled ABS components.
1. Disconnect the two electrical harness connectors from the EBCM (2).
Important: Make sure that brake lines are tagged and kept in order for proper reassembly.
2. Disconnect the 5 brake lines from the BPMV (3).
3. Remove 2 bolts (4) securing the BPMV mounting bracket (5) to the BPMV (3).
4. Disconnect the 2 way ABS pump motor connector.
5. Remove the four T-25 TORSO screws (1) from the EBCM (2).
Important: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.
6. Remove the EBCM (2) from the BPMV (3). Removal may require a light amount of force.
Important: Do not reuse the EBCM mounting bolts. Always install new bolts.
7. Clean the EBCM (2) to BPMV (3) mounting surfaces with a clean cloth.
Installation Procedure
Important: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.
1. Install EBCM (2) onto BPMV (3).
Important: Do not reuse the old mounting bolts. Always install new bolts with the new BPMV.
2. Install the four EBCM bolts.
Tighten
Tighten the four bolts to 5 Nm (39 inch lbs.) in an X-pattern.
3. Connect the 2 way ABS pump motor connector to the EBCM (2).
4. Install BPMV (3) to EHCU bracket (5).
5. Connect the two electrical harness connectors to the EBCM (2).
Important: The brake pipes are held in the proper place by a frame mounted plastic bracket. Make sure that the brake pipes stay in the correct place for proper reassembly.
6. Install the 5 brake pipes to the BPMV (3).
Tighten
Tighten the brake pipe fittings to 30 Nm (22 ft. lbs.).
7. Bleed the brake system. Refer to Automated Bleed Procedure.
8. Return to A Diagnostic System Check (310 ABS) or A Diagnostic System Check (325 ABS).