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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Power Steering System) >> Repair Instructions >> Pitman Shaft Seals and Bearing Replacement - Off Vehicle (670 Gear) >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the needle bearing into the steering gear housing (1) using J 6278  .
    Fig 1: Installing The Needle Bearing Into The Steering Gear Housing (670 Gear)
    GM740400Courtesy of GENERAL MOTORS CORP.
  2. Drive the bearing into the housing until the needle bearing shoulder seats against the housing.
  3. Coat the pitman shaft seal (2) and backup washer (3) with grease.
    Fig 2: Installing The Pitman Shaft Seal Onto The Steering Gear Housing (670 Gear)
    GM412382Courtesy of GENERAL MOTORS CORP.
  4. Install the pitman shaft seal (2) onto the steering gear housing (1) using J 6219.
  5. Install the backup washer (3) onto the steering gear housing (1).
    6. IMPORTANT: The pitman shaft seal must not contact the bearing.
    Fig 3: Installing The Pitman Shaft Retainer Ring Onto The Steering Gearing Housing (670 Gear)
    GM412380Courtesy of GENERAL MOTORS CORP.
  6. Install the pitman shaft retainer ring (2) onto the steering gearing housing (1) using J 4245  .
  7. Coat the dust seal (2) with grease.
  8. Install the dust seal (2) onto the steering gear housing (1).
    Fig 4: Installing The Pitman Shaft Boot Onto The Steering Gear Housing (670 Gear)
    GM740399Courtesy of GENERAL MOTORS CORP.
  9. Install the pitman shaft boot (3) onto the steering gear housing (1).
    10. IMPORTANT: Do not install the lock washer and nut until all components have been installed onto the steering gear housing.
  10. Install the pitman shaft and the side cover. Refer to Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle (670 Gear)  or Steering Gear Pitman Shaft and Housing Cover Replacement - Off Vehicle (700 Gear) .
  11. Install the pitman arm (4) to the steering gear.
    12. Fig 5: Installing The Pitman Arm To The Steering Gear (670 Gear)
    GM740401Courtesy of GENERAL MOTORS CORP.
  12. Install the lock washer (2).
  13. Install the nut (3).
  14. To adjust the pitman shaft, refer to Pitman Shaft Over-Center Preload Adjustment - Off Vehicle .
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