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Home >> Hummer >> 2009 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Power Steering Fluid Cooler Replacement >> Installation Procedure
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Installation Procedure

  1. Position the cooler inlet and outlet pipes/hoses to the vehicle.
    2. Fig 1: View Of Power Steering Cooler Hose At Power Steering Gear
    GM1830728Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  2. Using a new O-ring seal, connect the power steering cooler inlet pipe/hose fitting to the power steering gear.

    Tighten:  Tighten the power steering cooler inlet pipe fitting to 28 N.m (20 lb ft).

    3. Fig 2: Identifying Clamp & Power Steering Cooler Outlet Pipe/Hose
    GM1830726Courtesy of GENERAL MOTORS CORP.
  3. Compress the clamp (1) and install the power steering cooler outlet pipe/hose (2) to the power steering pump.
    4. Fig 3: Identifying Power Steering Cooler Retaining Bolt
    GM1830717Courtesy of GENERAL MOTORS CORP.
  4. Position the power steering cooler to the radiator support, install the spacer and the mounting bolt (1).

    Tighten:  Tighten the power steering cooler mounting bolt to 5 N.m (44 lb in).

    5. Fig 4: Identifying Radiator Support Brace & Bolts
    GM1830697Courtesy of GENERAL MOTORS CORP.
  5. Position the radiator support bracket to the original position and install the lower mounting bolt (2).

    Tighten:  Tighten the upper (1) and lower (2) radiator mounting bolts to 5 N.m (44 lb in).

    6. Fig 5: View Of Power Steering Cooler Pipes & Fittings
    GM1830702Courtesy of GENERAL MOTORS CORP.
  6. Using a new O-ring seals, connect the power steering cooler inlet and outlet cooler pipes/hoses to the power steering cooler.

    Tighten:  Tighten the fittings to 28 N.m (20 lb ft).

  7. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .
  8. Remove the drain pan from under the vehicle.
  9. Close the hood.
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