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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 604 (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 Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise vehicle and properly support.
  2. Remove the three EHCU (1) shield bolts and shield.
  3. Disconnect the four electrical connectors from EBCM.
  4. Disconnect the electrical connector from the combination valve.
  5. Remove the front and rear brake pipes (from master cylinder) from the combination valve.
  6. Remove the right front, left front and rear brake pipes from the tube adapters.
    Fig 1: Removing Bolts & EHCU Shield
    G01688360Courtesy of GENERAL MOTORS CORP.
  7. Remove the three bolts that fasten the EHCU bracket to the frame.
    Fig 2: Removing EHCU Bracket & Bolts
    G01688361Courtesy of GENERAL MOTORS CORP.
  8. Remove the EHCU from the frame.
  9. Remove the three bolts retaining the BPMV form the bracket.
    Fig 3: Removing EHCU & BPMV Bolts
    G01688362Courtesy of GENERAL MOTORS CORP.
  10. Remove the four T-25 TORX® bolts (1) that fasten the EBCM to the BPMV.

    Remove the EBCM (2) from the BPMV (4).

    Removal may require a light amount of force.

    CAUTION: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.
  11. Remove the three Allen bolts (8) from the combination valve.
  12. Remove the combination valve (9).

    Important:  Do not reuse the transfer tubes. Always instal new transfer tubes.

  13. Remove the two transfer tubes (10).
    Fig 4: Removing Bolts, EBCM, Combination Valve & Transfer Tubes
    G01688363Courtesy of GENERAL MOTORS CORP.
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