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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1605 (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 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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  .
  2. Drive the bearing into the housing until the needle bearing shoulder seats against the housing.
    3. Fig 1: Installing Needle Bearing Into Steering Gear Housing Using J 6278
    G01479651Courtesy of GENERAL MOTORS CORP.
  3. Coat the pitman shaft seal (2) and backup washer (3) with grease.
  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).
    IMPORTANT: The pitman shaft seal must not contact the bearing.
    6. Fig 2: Pitman Shaft Seal, Backup Washer, Steering Gear Housing & J 6219
    G01479652Courtesy of GENERAL MOTORS CORP.
  6. Install the pitman shaft retainer ring (2) onto the steering gearing housing (1) using J 4245  .
    Fig 3: Installing Pitman Shaft Retainer Ring Onto Steering Gearing Housing Using J 4245
    G01479653Courtesy of GENERAL MOTORS CORP.
  7. Coat the dust seal (2) with grease.
  8. Install the dust seal (2) onto the steering gear housing (1).
  9. Install the pitman shaft boot (3) onto the steering gear housing (1).
    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 4: Dust Seal, Steering Gear Housing, Pitman Shaft Boot & Pitman Arm
    G01479654Courtesy 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 (700 Gear) .
Fig 5: Installing Lock Washer & Nut
G01479655Courtesy of GENERAL MOTORS CORP.
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