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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Power Steering System) >> Repair Instructions >> Power Steering Reservoir Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: View Of Pump Housing, Mounting Studs, O-Ring Seal & Connector/Fitting Assembly
    GM404915Courtesy of GENERAL MOTORS CORP.
  1. Drain the power steering fluid from the power steering pump.
  2. Remove the pump mounting studs (2).
  3. Remove the connector and fitting assembly (4).
  4. Remove the O-ring seal (3).
    5. Fig 2: View Of Pump Housing Assembly, Control Valve Assembly & Flow Control Spring
    GM404928Courtesy of GENERAL MOTORS CORP.
  5. If replacement is required, remove the control valve assembly (2) and the flow control spring (3) from the pump housing assembly (1).
    6. Fig 3: View Of Reservoir Assembly & Pump Housing Assembly
    GM404931Courtesy of GENERAL MOTORS CORP.
  6. Remove the reservoir assembly (1) from the pump housing assembly (2).
    7. Fig 4: Reservoir O-ring Seals
    GM404947Courtesy of GENERAL MOTORS CORP.
  7. Remove the O-ring seals (1) (4) (5).
  8. Remove the magnet (3).
  9. Clean the magnet (3).
  10. Inspect the welch plug in the power steering pump housing (2). Do not remove. If the welch plug is deformed or dislodged, replace the power steering pump housing (2).
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