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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 632 (Anti-Lock Brake System) >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement (w/o JL4) >> Removal Procedure

Removal Procedure

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  1. Thoroughly wash all contaminants from around the EHCU.
  2. Disconnect the 3 electrical harness connectors from the Electronic Brake Control Module (EBCM) (1).
    NOTE: Make sure that brake lines are tagged and kept in order for proper reassembly.
    3. Fig 1: Removal Of Electrical Harness Connectors From EBCM
    G01664070Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the brake lines from the Brake Pressure Modulator Valve (BPMV) (2).
  4. Remove the bolts (4) securing the EHCU mounting bracket (3) to the frame rail (5).
  5. Remove the EHCU from the vehicle.
  6. Remove the bolts (4) securing the BPMV (1) to the EHCU mounting bracket (3).
  7. Disconnect the 2 way ABS pump motor connector.
  8. Remove the 4 T-25 TORX® bolts from the EBCM (2).
  9. Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
    NOTE: Do not reuse the EBCM mounting bolts. Always install new bolts.
  10. Clean the EBCM to BPMV mounting surfaces with a clean cloth.
    11. Fig 2: Removal Of EHCU Mounting Bracket & EBCM From BPMV
    G01664071Courtesy of GENERAL MOTORS CORP.
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