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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 >> Worm Thrust Bearing Preload Adjustment - Off Vehicle (700 Gear) >> Tools Required

Tools Required

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. Rotate the stub shaft back and forth in order to drain the power steering fluid.
  2. Remove the coupling shield retainer and the lock nut from the steering gear housing using J 43435  and a torque wrench.
    Fig 1: Adjuster Lock Nut Wrench
    G01666997Courtesy of GENERAL MOTORS CORP.
  3. Turn the adjuster nut assembly (1) clockwise using J 42882  until the adjuster nut assembly (1) and the thrust support assembly (2) are firmly bottomed in the steering gear housing (3). Tighten the adjuster nut assembly (1) to 28-31 N.m (20-23 ft lbs).
    Fig 2: Adjuster Nut Socket
    G01666998Courtesy of GENERAL MOTORS CORP.
  4. Place an index mark (1) on the steering gear housing (4) parallel with one of the holes (3) in the adjuster nut assembly (2).
    Fig 3: Making Index Mark On Steering Gear Housing
    G01666999Courtesy of GENERAL MOTORS CORP.
  5. Measure back counterclockwise 13 mm (1/2 in).
  6. Place a second mark (2) on the steering gear housing (1).
    Fig 4: Making Second Index Mark On Steering Gear Housing
    G01667000Courtesy of GENERAL MOTORS CORP.
  7. Using J 42882  and a torque wrench, turn the adjuster nut assembly (1) counterclockwise 15-25 degrees to align the hole (2) in the adjuster nut assembly (1) with the second mark (4) on the steering gear housing (3).
    Fig 5: Turning The Adjuster Nut Assembly
    G01667001Courtesy of GENERAL MOTORS CORP.
  8. Install the coupling shield retainer and the lock nut.
  9. Hold the adjuster nut assembly in position to maintain alignment of the marks.
  10. Tighten the coupling shield retainer and the lock nut using J 43435  and a torque wrench. Tighten the coupling shield retainer and the lock nut to 109 N.m (80 ft lbs).
    11. Fig 6: Tighten Coupling Shield Retainer
    G01667002Courtesy of GENERAL MOTORS CORP.
  11. To adjust the pitman shaft, refer to Pitman Shaft Over-Center Preload Adjustment - Off Vehicle (700 Gear) .
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