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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 633 (Power Steering System) >> Repair Instructions >> Pitman Shaft Seals & Bearing Replacement - Off Vehicle (670 Gear) >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the steering gear pitman shaft and housing cover. Refer to Steering Gear Pitman Shaft & Housing Cover Replacement - Off Vehicle (700 Gear)  or Steering Gear Pitman Shaft & Housing Cover Replacement - Off Vehicle (670 Gear)  .
  2. Remove the pitman arm (4) from the steering gear.
    3. Fig 1: Pitman Arm
    G01667039Courtesy of GENERAL MOTORS CORP.
  3. Remove the pitman shaft boot (3) from the steering gear housing (1).

    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. Remove the pitman shaft retaining ring (2) from the steering gear housing (1) using J 4245  .
    Fig 2: Pitman Shaft Retaining Ring
    G01667040Courtesy 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. Insert J 6278  through the hole in the top of the steering gear housing (1).
    10. Fig 3: Pitman Shaft Bearing Remover & Installer
    G01667041Courtesy of GENERAL MOTORS CORP.
  10. Drive out the needle bearing (2) from the steering gear housing (1).
    Fig 4: Needle Bearing
    G01667042Courtesy of GENERAL MOTORS CORP.
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