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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Power Steering System) >> Repair Instructions >> Power Steering Pump Replacement (Parallel Hybrid Truck) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the power steering pump (1) to the vehicle.
    Fig 1: Installing Power Steering Pump To Vehicle (Parallel Hybrid Truck)
    GM1202279Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the bolts retaining the power steering pump to the power steering pump bracket.

    Tighten:  Tighten the power steering pump mounting bolts to 25 N.m (18 lb ft).

    3. IMPORTANT: The lower connector will not go on if the upper connector is already installed.
    Fig 2: Connecting Lower Electrical Connector To Power Steering Pump (Parallel Hybrid Truck)
    GM1237572Courtesy of GENERAL MOTORS CORP.
  3. Connect the lower electrical connector (4) to the power steering pump.
  4. Connect the upper electrical connector (3) to the power steering pump.
    Fig 3: Connecting Upper Electrical Connector To Power Steering Pump (Parallel Hybrid Truck)
    GM1237574Courtesy of GENERAL MOTORS CORP.
  5. Install the power steering pump return hoses (1, 5) to the power steering pump.
    Fig 4: Installing Power Steering Pump Return Hoses To Power Steering Pump (Parallel Hybrid Truck)
    GM1217737Courtesy of GENERAL MOTORS CORP.
  6. Install the clamps retaining the power steering return hoses to the power steering pump.
    7. IMPORTANT: Ensure that the hose contacts the power steering pump as shown.
    Fig 5: Installing Power Steering Pump Pressure Hose To Power Steering Pump (Parallel Hybrid Truck)
    GM1202254Courtesy of GENERAL MOTORS CORP.
  7. Install the power steering pump pressure hose to the power steering pump.

    Tighten:  Tighten the power steering pump pressure hose to 32 N.m (24 lb ft).

    8. IMPORTANT: The power steering system on this vehicle does not use standard power steering fluid. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication for the correct power steering fluid.
  8. Fill and bleed the power steering system. Refer to Bleeding the Power Steering System .
  9. Clean up any spilled power steering fluid from the hoses, connectors or pump.
  10. Connect the energy storage box after servicing the vehicle. Refer to Energy Storage Box (ESB) Service Disconnect/Connect (5.3L Engine w/RPO HP2) in Engine Electrical.
  11. Calibrate the brake pedal position sensor. Refer to Brake Pedal Position Sensor Calibration Description and Operation .
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