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Home >> Chevrolet >> 2013 >> Impala LS >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock 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 .

  1. Place the ignition switch in the OFF position.
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  4. Without draining the engine coolant and without disconnecting the hoses, remove the nuts and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement .
  5. Clean the area surrounding the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) mating surfaces.
    6. CAUTION:

    To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

  6. Disconnect the EBCM electrical connector.
    7. Fig 1: Right Front Brake Pipe Fitting
    GM2610504Courtesy of GENERAL MOTORS COMPANY
  7. Disconnect the right front brake pipe fitting (1) from the BPMV.
  8. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    9. Fig 2: Left Rear Brake Pipe Fitting
    GM2610505Courtesy of GENERAL MOTORS COMPANY
  9. Disconnect the left rear brake pipe fitting (1) from the BPMV.
  10. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    11. Fig 3: Right Rear Brake Pipe Fitting
    GM2610508Courtesy of GENERAL MOTORS COMPANY
  11. Disconnect the right rear brake pipe fitting (1) from the BPMV.
  12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    13. Fig 4: Left Front Brake Pipe Fitting
    GM2610509Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect the left front brake pipe fitting (1) from the BPMV.
  14. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
    15. Fig 5: Master Cylinder Secondary Brake Pipe Fitting
    GM2610511Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect the master cylinder secondary brake pipe fitting (1) from the BPMV.
  16. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    17. Fig 6: Master Cylinder Primary Brake Pipe Fitting
    GM2610514Courtesy of GENERAL MOTORS COMPANY
  17. Disconnect the master cylinder primary brake pipe fitting (1) from the BPMV.
  18. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
    19. Fig 7: Brake Pressure Modulator Valve Bolt And Washer
    GM2610516Courtesy of GENERAL MOTORS COMPANY
  19. Remove the BPMV bolt (1) and washer (2).
  20. Remove the BPMV assembly.
  21. If necessary, remove the EBCM. Refer to Electronic Brake Control Module Replacement .
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