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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 485 (Power Steering System) >> Repair Instructions >> Power Steering Pump Replacement (4.8L, 5.3L, 6.0L, and 6.2L) >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install all transferable parts as needed.
  2. Install the power steering pump assembly to the vehicle.
    3. Fig 1: View Of Power Steering Pump
    GM346660Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Start all the bolts by hand before finalizing each torque.

  3. Install the power steering pump bracket bolt to the side of the engine.

    Tighten 

    Tighten the bolt to 50 N.m (37 lb ft).

  4. Install the power steering pump bolts.

    Tighten 

    Tighten the bolts to 50 N.m (37 lb ft).

    5. Fig 2: View Of Power Steering Return Hoses, Clamps & Power Steering Pump
    GM898607Courtesy of GENERAL MOTORS COMPANY
  5. Connect the power steering fluid cooler hose (4) and the power steering fluid cooler hose clamp (5) to the power steering pump assembly (1).
  6. If equipped with hydroboost, connect the power brake booster outlet hose (2) and the power brake booster outlet hose clamp (3) to the power steering pump assembly (1).
    7. Fig 3: View Of Power Steering Pressure Hose & Power Steering Pump
    GM898604Courtesy of GENERAL MOTORS COMPANY
  7. Connect the power steering gear inlet hose (2) to the power steering pump assembly (1) from underneath the vehicle.

    Tighten 

    Tighten the fitting to 32 N.m (24 lb ft).

  8. Clean any excess fluid power steering fluid from the vehicle and remove the drain pans.
  9. Connect the steering shaft coupling. Refer to Steering Shaft Coupling Replacement .
  10. Install the engine shield. Refer to Engine Shield Replacement .
  11. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L) .
  12. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .
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