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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1946 (Antilock Brake System - Except Hybrid) >> Repair Instructions >> Brake Pressure Modulator Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Refer to Brake Fluid Irritant Warning .
CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution .
CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.
  1. Turn the ignition switch to the OFF position.
  2. Remove the underhood electrical center.
  3. Without draining the coolant or removing the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement .
    4. Fig 1: LF Brake Pipe Fitting
    GM1873924Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the electronic brake control module (EBCM) electrical connector by lifting the locking tabs.
  5. Disconnect the LF brake pipe fitting (1) at the brake pressure modulator valve (BPMV).

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

  6. Disconnect the RF brake pipe fitting (2) from the BPMV.

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

    7. Fig 2: Master Cylinder Primary Brake Pipe Fitting
    GM1873925Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the master cylinder primary brake pipe fitting (1) from the BPMV.

    Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

  8. Disconnect the master cylinder secondary brake pipe fitting (2) from the BPMV.

    Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

    9. Fig 3: LR Brake Pipe Fitting
    GM1873926Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the LR brake pipe fitting (1) from the BPMV.

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

  10. Disconnect the RR brake pipe fitting (2) from the BPMV.

    Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

    11. Fig 4: BPMV Bolt
    GM1873930Courtesy of GENERAL MOTORS CORP.
  11. Remove the BPMV bolt (1).
    12. Fig 5: BPMV Assembly
    GM1873931Courtesy of GENERAL MOTORS CORP.
  12. Carefully remove the BPMV assembly (1) by pulling straight upward.

    Do not pry on the accumulator caps on the underside of the BPMV.

  13. Inspect the insulators for damage and replace, if necessary.
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