Worm Thrust Bearing Preload Adjustment - Off Vehicle
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Tools Required
- J 42882 Adjuster Nut Socket
- J 43435 Adjuster Lock Nut Wrench
- Rotate the stub shaft back and forth in order to drain the power steering fluid.
- Remove the coupling shield retainer and the lock nut from the steering gear housing using J 43435
and a torque wrench.
CAUTION: Refer to FASTENER NOTICE .
- 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).
- Place an index mark (1) on the steering gear housing (4) parallel with one of the holes (3) in the adjuster nut assembly (2).
- Measure back counterclockwise 13 mm (1/2 in).
- Place a second mark (2) on the steering gear housing (1).
- 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).
- Install the coupling shield retainer and the lock nut.
- Hold the adjuster nut assembly in position to maintain alignment of the marks.
- 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).
- To adjust the pitman shaft, refer to Pitman Shaft Over-Center Preload Adjustment - Off Vehicle .