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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Steering >> Power Steering >> Repair Instructions >> Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

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

    Remove the steering gear pitman shaft lash adjuster nut (2).

  9. Remove the steering gear pitman shaft housing cover (3).
  10. Remove the steering gear pitman shaft housing cover O-ring (4).
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