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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1591 (Power Steering System) >> Repair Instructions >> Steering Gear Pitman Shaft Seal and Bearing Replacement - Off Vehicle >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the steering gear. Refer to Steering Gear Replacement (Hydraulic Rack and Pinion)  or Steering Gear Replacement (Recirculating Ball Without LMM)  or Steering Gear Replacement (HP2)  or Steering Gear Replacement (LMM) .
    2. Fig 1: View Of Pitman Arm, Shaft Boot, Shaft Dust Seal & Steering Gear Housing
    GM740399Courtesy of GENERAL MOTORS CORP.
  2. Remove the steering gear pitman shaft and housing cover. Refer to Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle .
  3. Remove the pitman arm (4) from the steering gear (1). Refer to Pitman Arm Replacement .
  4. Remove the pitman arm boot (3) from the steering gear housing (1).
    5. IMPORTANT: Do not score the steering gear housing bore when prying out the seals and washers.
  5. Remove the dust seal (2) from the steering gear housing (1).
    6. Fig 2: Pitman Shaft Retaining Ring & Steering Gear Housing
    GM412380Courtesy of GENERAL MOTORS CORP.
  6. Remove the steering gear pitman shaft seal retaining ring (2) from the steering gear housing (1) using pliers J 4245  .
    7. Fig 3: Identifying Steering Gear Housing Components
    GM412382Courtesy of GENERAL MOTORS CORP.
  7. Remove the steering gear pitman shaft washer (3) from the steering gear housing (1).
  8. Pry the steering gear pitman shaft seal (2) from the steering gear housing (1) using a screwdriver.
  9. Inspect the housing for burrs and replace if necessary.
    10. Fig 4: Driving Out Needle Bearing From Steering Gear Housing
    GM412383Courtesy of GENERAL MOTORS CORP.
  10. Insert remover/installer J 6278  through the hole in the top of the steering gear housing (1).
  11. Drive out the steering gear pitman shaft bearing (2) from the steering gear housing (1).
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