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Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Steering >> Power Steering >> Repair Instructions >> Power Steering Cooler Replacement >> Installation Procedure

Installation Procedure

  1. Position the cooler inlet and outlet pipes/hoses to the vehicle.
    2. Fig 1: View Of Power Steering Cooler Inlet Hose Fitting At Power Steering Gear
    GM1830728Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  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: View Of Hose 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: View Of 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: View Of Radiator Support Brace & Lower Bolt
    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: 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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