Astro Van 2WD V6-4.3L VIN W (2001)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Brake Pressure Modulator Valve (BPMV) Replacement
Removal Procedure
1. Remove the fuel pipe shield (3) from the frame bracket (2) by removing the two nuts (4).
Important: Thoroughly wash all contaminants from around the EHCU (1). The area around the EHCU (1) MUST be free from loose dirt to prevent
contamination of disassembled ABS components.
2. Disconnect the two electrical harness connectors from the EBCM.
Important: Make sure that brake lines are tagged and kept in order for proper reassembly.
3. Disconnect 5 brake lines from the BPMV.
4. Slide the EHCU (1) off of the frame bracket (2).
5. Remove 2 bolts (4) securing the BPMV mounting bracket (3) to the BPMV (5).
6. Disconnect the 2 way ABS pump motor connector.
7. Remove the four T-25 Torx(R) bolts (1) from the EBCM (2).
Important: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.
8. Remove the EBCM (2) from the BPMV (5). Removal may require a light amount of force.
Important: Do not reuse the EBCM mounting bolts. Always install new bolts.
9. Clean the EBCM to BPMV mounting surfaces with a clean cloth.
Installation Procedure
