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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1187 (Antilock Brake System) >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to the OFF position.
  2. Disconnect the EBCM harness connector.
  3. Remove the BPMV pump motor ground wire.
  4. Remove the brake pipes from the master cylinder to the BPMV (1, 2), noting the location.
    Fig 1: Removing Brake Pipes From Master Cylinder To BPMV
    G01420465Courtesy of GENERAL MOTORS CORP.
  5. Remove the brake pipes from the BPMV (1, 2) to the front brake calipers, noting the location.
    Fig 2: Removing Brake Pipes From Master Cylinder To Front Brake Calipers
    G01420466Courtesy of GENERAL MOTORS CORP.
  6. Remove the brake pipes from the BPMV (1, 2) to the rear brake calipers, noting the location.
    Fig 3: Removing Brake Pipes From BPMV To Rear Brake Calipers
    G01420467Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the electrical connector from the brake fluid pressure sensor (2).
  8. Remove the two insulator nuts (1).
  9. Remove the EBCM/BPMV from the vehicle as one unit.
    Fig 4: Removing EBCM/BPMV
    G01420468Courtesy of GENERAL MOTORS CORP.
  10. Remove the insulator mounting bolt from the EBCM.
  11. Remove the four EBCM to BPMV bolts.
  12. Separate the EBCM from the BPMV by gently pulling apart until separated.
  13. Carefully remove the seal.

    The seal may be reused if it is not cut or damaged.

Fig 5: Separating EBCM From BPMV
G01420469Courtesy of GENERAL MOTORS CORP.
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