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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 787 (Antilock Brake System With TCVS & VSES) >> Repair Instructions >> Brake Pressure Modulator Valve Pre-Charge Pump Replacement >> Installation Procedure

Installation Procedure

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  1. Install the PCP (1) into the vehicle. Ensure the bottom of the PCP motor is secured in the bottom mounting grommet on the PCP mounting bracket.
    2. Fig 1: Installing PCP Mounting Bracket Front Bolt And Mounting Bracket Side Bolts
    G01457153Courtesy of GENERAL MOTORS CORP.
  2. Install the PCP front and side mounting bracket bolts (2,3).
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten 

    Tighten the bolts to 15 N.m (10 lb ft).

  3. Install the PCP electrical connector to the mounting bracket. Check to insure the connector is locked into place.
  4. Connect the PCP electrical connector to the vehicle connector harness.
  5. Remove the cap or plug from the outlet pipe and install the outlet pipe (3) to the PCP (2).

    Tighten 

    Tighten the brake fluid outlet pipe nut to 25 N.m (18 lb ft).

  6. Install the inlet hose and clamp (1) to the PCP (2).
    7. Fig 2: Installing Inlet Hose And Clamp To PCP
    G01457154Courtesy of GENERAL MOTORS CORP.
  7. Remove the crimping tool from the inlet hose.
  8. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Engine Electrical.
  9. Fill the master cylinder reservoir.
  10. Using a scan tool, perform a precharge pump bleed procedure. Refer to ABS AUTOMATED BLEED PROCEDURE (W/O JL4)  or ABS AUTOMATED BLEED PROCEDURE (W/JL4)  .
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