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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 >> Pitman Shaft Seals and Bearing Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: View Of Pitman Arm, Pitman Shaft Boot, Dust Seal & Steering Gear Housing (670 Gear)
    GM740399Courtesy of GENERAL MOTORS CORP.
  1. Remove the steering gear pitman shaft and housing cover. Refer to Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle .
  2. Remove the pitman arm (4) from the steering gear.
  3. Remove the pitman shaft boot (3) from the steering gear housing (1).
    4. IMPORTANT: Do not score the housing bore when prying out seals and washers.
  4. Remove the pitman shaft dust seal (2) from the steering gear housing (1).
    5. Fig 2: Pitman Shaft Retaining Ring & Steering Gear Housing (670 Gear)
    GM412380Courtesy of GENERAL MOTORS CORP.
  5. Remove the pitman shaft retaining ring (2) from the steering gear housing (1) using J 4245  . See Special Tools .
    6. Fig 3: View Of Backup Washer, Pitman Shaft Seal & J 6219
    GM412382Courtesy of GENERAL MOTORS CORP.
  6. Remove the backup washer (3) from the steering gear housing (1).
  7. Pry the pitman shaft seal (2) from the steering gear housing (1) using a screwdriver.
  8. Inspect the housing for burrs and replace if necessary.
    9. Fig 4: Driving Out Needle Bearing From Steering Gear Housing (670 Gear)
    GM412383Courtesy of GENERAL MOTORS CORP.
  9. Insert J 6278  through the hole in the top of the steering gear housing (1). See Special Tools .
  10. Drive out the needle bearing (2) from the steering gear housing (1).
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