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Home >> Buick >> 2003 >> Century Custom >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Installation Procedure

Installation Procedure

  1. Install EBCM onto the BPMV (1) if replacing the BPMV only. Refer to ELECTRONIC BRAKE CONTROL MODULE (EBCM) REPLACEMENT  .
  2. Install BPMV and EBCM as an assembly (1) to the mounting bracket (2).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the 4 bolts (3) that connects the BPMV assembly (1) to the mounting bracket (2).

    Tighten 

    Tighten the 4 bolts (3) that connect the BPMV (1) to the mounting bracket (2) to 10 N.m (89 lb in).

    Fig 1: Installing BPMV Mounting Bolts To Mounting Bracket
    G01569893Courtesy of GENERAL MOTORS CORP.
  4. Install the BPMV bracket (4) to the strut tower.
  5. Install the 1 bolt and 3 nuts that attach the BPMV mounting bracket (4) to the strut tower.

    Tighten 

    • Tighten the lower 2 BPMV mounting bracket nuts (3) and bolt to 10 N.m (89 lb in).
    • Tighten the top nut (1) for BPMV mounting bracket (4) to strut tower to 3 N.m (27 lb in).
      Fig 2: Installing BPMV Bracket To Strut Tower
      G01569894Courtesy of GENERAL MOTORS CORP.
      CAUTION: Make sure brake pipes are correctly connected to brake pressure modulator valve. If brake pipes are switched by mistake, wheel lockup will occur and personal injury may result. The only two ways this condition can be detected are by using a Scan Tool or by doing an Antilock stop.
      IMPORTANT: If a new BPMV is being installed, remove the shipping plugs from the valve openings during the next few steps when ready.
    • Install the master cylinder brake pipes (2) into the BPMV (4).

      Tighten 

      Tighten the master cylinder brake pipe fittings to 24 N.m (18 lb ft).

      Fig 3: Installing Master Cylinder Brake Pipes Into BPMV
      G01569895Courtesy of GENERAL MOTORS CORP.
    • Install the wheel cylinder brake pipes (1) on the BPMV (2).

      Tighten 

      Tighten all 4 wheel cylinder brake pipe fittings to 24 N.m (18 lb ft).

    • Re-connect the ground strap between the EBCM assembly and the chassis.
      Fig 4: Installing Wheel Cylinder Brake Pipes On BPMV
      G01569896Courtesy of GENERAL MOTORS CORP.
    • Connect the EBCM harness connector.
    • Push down lock tab (1) and then move sliding connector cover (2) back in home position to lock.
      Fig 5: Inserting Red Locking Tab Back In Place
      G01569897Courtesy of GENERAL MOTORS CORP.
    • Insert red locking tab back in place.
    • Reinstall the cruise control module.
    • When all procedures have been completed, the automated ABS bleed procedure is required. Refer to ABS AUTOMATED BLEED PROCEDURE  .