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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 219 (Power Steering System) >> Repair Instructions >> Steering Gear Cylinder Pipe Assemblies/O-Ring Seals Replacement - Off Vehicle (Quiet Valve) >> Assembly Procedure

Assembly Procedure

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  1. Inspect the cylinder lines (1) for the following items:
    • Cracks
    • Dents
    • Damage to the threads
  2. Replace the parts as needed.
    Fig 1: Inspecting Cylinder Lines
    G01217196Courtesy of GENERAL MOTORS CORP.
  3. Install the new O-ring seals (1) to the valve end of the cylinder lines.
    Fig 2: Installing New O-Ring Seals
    G01217197Courtesy of GENERAL MOTORS CORP.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  4. Install the cylinder line assemblies (1) to the gear assembly (2).

    Tighten 

    • Tighten the valve end fittings to 17 N.m (13 lb ft)
    • Tighten the cylinder end fittings to 27 N.m (20 lb ft)
      Fig 3: Installing Cylinder Line Assemblies To Gear Assembly
      G01217198Courtesy of GENERAL MOTORS CORP.