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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Power Steering System) >> Repair Instructions >> Worm Thrust Bearing Preload Adjustment - Off Vehicle (700 Gear) >> Power Steering System >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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: Removing Coupling Shield Retainer & Lock Nut From Steering Gear Housing
    G01467264Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  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 

    Tighten the adjuster nut assembly (1) to 28-31 N.m (20-23 lb ft).

    Fig 2: Turning Adjuster Nut Assembly Clockwise
    G01467265Courtesy 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: Placing Index Mark On Steering Gear Housing
    G01467266Courtesy 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: Measuring Backlash & Placing Second Mark On Steering Gear Housing
    G01467267Courtesy 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 Adjuster Nut Assembly Counterclockwise
    G01467268Courtesy 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 

    Tighten the coupling shield retainer and the lock nut to 109 N.m (80 lb ft).

  11. To adjust the pitman shaft, refer to PITMAN SHAFT OVER-CENTER PRELOAD ADJUSTMENT - OFF VEHICLE (700 GEAR) .
    Fig 6: Tightening Coupling Shield Retainer & Lock Nut
    G01467269Courtesy of GENERAL MOTORS CORP.
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