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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 4.8 CREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKE SYSTEM, TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMREPAIR INSTRUCTIONSBRAKE PRESSURE MODULATOR VALVE PRE-CHARGE PUMP REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 C

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 CSECTION Installation Procedure
    Fig 1: Brake Fluid Outlet Pipe
    GM1372859Courtesy of GENERAL MOTORS CORP.
  1. Install the PCP (2) into the vehicle.
    2. NOTE: Refer to Fastener Notice .
  2. Install the PCP front and side mounting bracket bolts (1, 3).

    Tighten:  Tighten the bolts to 20 N.m (15 lb ft).

  3. Connect the engine wiring harness to the PCP bracket.
  4. Connect the PCP electrical connector (4) to the vehicle connector harness.
  5. Remove the cap or plug from the outlet pipe and install the outlet pipe to the PCP (5).

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

    6. Fig 2: Master Cylinder Components
    GM1372862Courtesy of GENERAL MOTORS CORP.
  6. Install the inlet hose (4) and clamp (3) to the PCP (2).
  7. Remove the crimping tool from the inlet hose.
  8. Install the inner fender splash shield.
  9. Install the left front wheel and tire. Refer to Tire and Wheel Removal and Installation .
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  11. Fill the master cylinder reservoir. Refer to Master Cylinder Reservoir Filling .
  12. Using a scan tool, perform a PCP bleed procedure. Refer to Antilock Brake System Automated Bleed Procedure (W/JL4)  or Antilock Brake System Automated Bleed Procedure (w/o JL4) .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.