LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 683 (Anti-Lock Brake System) >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    Fig 1: Locating EHCU
    G01669350Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the 3 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 (1) from the vehicle.
  7. Remove the bolts (4) securing the BPMV mounting bracket (3) to the BPMV (1).
  8. Disconnect the 2 way ABS pump motor connector.
  9. Remove the T-25 TORX® bolts from the EBCM (2).
    NOTE: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.

    Important:  Do not reuse the EBCM mounting bolts. Always install new bolts.

  10. Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
  11. Clean the EBCM to BPMV mounting surfaces with a clean cloth.
    Fig 2: EBCM & BPMV
    G01669351Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals