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Home › Chevrolet › 2015 › Sonic RS, 4D Hatchback, Automatic Trans › Repair and Diagnosis › Brakes › Traction Control › Anti-Lock Brake System › Repair Instructions › Brake Pressure Modulator Valve Replacement › Removal Procedure

Removal Procedure

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. Place the ignition switch in the OFF position.
  2. Remove the battery tray. Refer to Battery Tray Replacement .
  3. Clean the area surrounding the EBCM/BPMV of any accumulated dirt and debris.
    NOTE: The area around the electronic brake control module (EBCM) and brake pressure modulator valve (BPMV) assembly must be free from loose dirt to prevent contamination of disassembled ABS components.
  4. Disconnect the EBCM electrical connector.
  5. Disconnect the master cylinder secondary brake pipe fitting (1) from the BPMV.
    Fig 1: Master Cylinder Secondary Brake Pipe Fitting
    GM2495345Courtesy of GENERAL MOTORS COMPANY
  6. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  7. Disconnect the master cylinder primary brake pipe fitting (1) from the BPMV.
    Fig 2: Master Cylinder Primary Brake Pipe Fitting
    GM2495349Courtesy of GENERAL MOTORS COMPANY
  8. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
  9. Reference mark the BPMV outlet brake pipe fittings (1) and disconnect the fittings.
    Fig 3: Front & Rear Brake Pipe Fittings
    GM2495352Courtesy of GENERAL MOTORS COMPANY
  10. Cap the brake pipe fittings and plug the BPMV outlet ports to prevent brake fluid loss and contamination.
  11. Remove the protective caps (1) from the BPMV bracket nuts.
    Fig 4: BPMV Bracket Nut Protective Caps
    GM2833466Courtesy of GENERAL MOTORS COMPANY
  12. Remove the BPMV bracket nuts (1).
    Fig 5: Electronic Brake Control Module And Bracket Assembly Nuts
    GM2535376Courtesy of GENERAL MOTORS COMPANY
  13. Remove the EBCM/BPMV and bracket assembly from the vehicle.
  14. Remove the BPMV bolts (1).
    Fig 6: Brake Pressure Modulator Valve Bolts
    GM2535379Courtesy of GENERAL MOTORS COMPANY
  15. Remove the BPMV bracket.
  16. If installing a new BPMV, remove the EBCM. Refer to Electronic Brake Control Module Replacement .
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