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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 218 (Power Steering System) >> Repair Instructions >> Power Steering Fluid Reservoir Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the power steering pump assembly from the vehicle. Refer to Power Steering Pump Replacement (4.8L, 5.3L, 6.0L, and 6.2L) .
    2. Fig 1: View Of Pump Housing, Mounting Studs, O-Ring Seal & Connector/Fitting Assembly
    GM404915Courtesy of GENERAL MOTORS CORP.
  2. Remove the power steering fluid reservoir studs (2) from the power steering pump assembly (1).
  3. Remove the power steering pump fitting (4).
  4. Remove the power steering pump fitting seal (3).
    5. Fig 2: View Of Power Steering Pump Flow Control Valve, Control Valve Spring & Assembly
    GM404928Courtesy of GENERAL MOTORS CORP.
  5. Remove the power steering pump flow control valve (2) and the power steering pump flow control valve spring (3) from the power steering pump assembly (1).
    6. Fig 3: View Of Power Steering Fluid Reservoir & Pump
    GM404931Courtesy of GENERAL MOTORS CORP.
  6. Separate the power steering fluid reservoir (1) and the power steering pump (2).
    7. Fig 4: View Of Reservoir O-Ring Seals, Magnet & Pump Housing
    GM404947Courtesy of GENERAL MOTORS CORP.
  7. Remove the power steering pump seals (1, 4, 5).
  8. Remove and clean the power steering fluid reservoir magnet (3).
  9. Inspect the welch plug in the power steering pump (2). DO NOT REMOVE IT. If the welch plug is deformed or dislodged then replace the power steering pump (2).
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