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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (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 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: For safety reasons, the brake pressure modulator valve assembly must not be repaired, the complete unit must be replaced. With the exception of the EBCM, no screws on the brake pressure modulator valve assembly may be loosened. If screws are loosened, it will not be possible to get the brake circuits leak-tight and personal injury may result.
  1. Turn the ignition switch to the OFF position.
  2. Disengage the Connector Position Assurance (CPA) (2) from the connector.
  3. Push the lock tab (1) down and then move the sliding connector cover to the open position.
    Fig 1: Brake Pressure Modulator Valve (BPMV) Removal (1 Of 5)
    G01583458Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the Electronic Brake Control Module (EBCM) harness connector (4).
    Fig 2: Brake Pressure Modulator Valve (BPMV) Removal (2 Of 5)
    G01583459Courtesy of GENERAL MOTORS CORP.

    Important:  Note the locations of the brake pipes in order to aid in installation.

  5. Disconnect the caliper and the wheel cylinder brake pipes (1) from the Brake Pressure Modulator Valve (BPMV) (3).
  6. Swing the caliper and the wheel cylinder brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
  7. Disconnect the master cylinder brake pipes (2) from the Brake Pressure Modulator Valve (BPMV) (3).
  8. Swing the master cylinder brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
    Fig 3: Brake Pressure Modulator Valve (BPMV) Removal (3 Of 5)
    G01583460Courtesy of GENERAL MOTORS CORP.
  9. Remove the upper BPMV bracket mounting nut (3) that connects the upper BPMV mounting bracket to the lower mounting bracket (2).
    CAUTION: Brake fluid will damage electrical connections and painted surfaces. Use shop cloths, suitable containers, and fender covers to prevent brake fluid from contacting these areas. Always re-seal and wipe off brake fluid containers to prevent spills.
  10. Remove the EBCM/BPMV assembly (4) from the vehicle.
    Fig 4: Brake Pressure Modulator Valve (BPMV) Removal (4 Of 5)
    G01583461Courtesy of GENERAL MOTORS CORP.
  11. Remove the EBCM (1) from the BPMV (2). Refer to Electronic Brake Control Module (EBCM) Replacement .
    Fig 5: Brake Pressure Modulator Valve (BPMV) Removal (5 Of 5)
    G01583462Courtesy of GENERAL MOTORS CORP.