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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 >> Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: View Of Steering Gear Housing, Lock Washer & Nut (670 Gear)
    GM740401Courtesy of GENERAL MOTORS CORP.
  1. Remove the nut (3).
  2. Remove the lock washer (2).
  3. Clean the exposed end of the pitman shaft.
  4. Clean the steering gear housing (1).
  5. Use a wire brush to clean the pitman shaft splines.
    6. Fig 2: View Of Stub Shaft
    GM412386Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The pitman shaft will not clear the housing if it is not centered.
  6. To center the stub shaft:
    1. Rotate the stub shaft (1) with a wrench from stop to stop.
    2. Count the number of turns.
    3. Rotate the stub shaft back 1/2 of the total amount of turns.
    7. Fig 3: View Of Pitman Shaft & Cover Assembly
    GM412387Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the pitman shaft assembly, the pitman arm and its components may fall from the steering gear housing. Support the pitman arm and its components while removing the pitman shaft assembly.
  7. Remove the pitman shaft cover bolts (1) from the pitman shaft and cover assembly (3).

    Remove the lash adjuster nut (2) from the pitman shaft and cover assembly (3).

  8. Remove the pitman shaft and cover assembly (3).
  9. Remove the pitman shaft cover O-ring (4) from the steering gear housing assembly.
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