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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Repair Instructions >> Brake Pressure Modulator Valve Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Exploded View Of EBCM & BPMV Components (w/o JL4)
    GM379484Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.

  1. Install the EBCM (2) onto the BPMV (1).
  2. Refer to Fastener Notice .
    IMPORTANT:

    Do not reuse the old mounting bolts. Always install new bolts with the new BPMV.

    Install the four EBCM bolts.

    Tighten 

    Tighten the four bolts to 5 N.m (39 lb in) in an X-pattern.

  3. Connect the 2 way ABS pump motor connector to the EBCM.
  4. Install the BPMV (1) to BPMV bracket (3).
  5. Install the BPMV to bracket retaining bolts (4).

    Tighten 

    Tighten the bolts to 9 N.m (7 lb ft).

    6. Fig 2: View Of EBCM/EHCU Assembly
    GM379478Courtesy of GENERAL MOTORS COMPANY
  6. Install the EHCU (1, 2) to the vehicle frame (5).

    Tighten 

    Tighten the three EHCU bracket bolts (4) to 25 N.m (18 lb ft).

  7. Connect the two electrical harness connectors to the EBCM (1).
    8. IMPORTANT:

    The brake pipes are held in the proper place by a frame mounted plastic bracket. Ensure the brake pipes stay in the correct place for proper reassembly.

  8. Install the 5 brake pipes to the BPMV (6).

    Tighten 

    Tighten the brake pipe fittings to 30 N.m (22 lb ft).

  9. Connect the negative battery cable.
  10. Bleed the brake system. Refer to Antilock Brake System Automated Bleed .
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