Chrysler Full-Size Trucks 1989-1996 Repair Guide

Manual Steering Gear

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ADJUSTMENT



Wormshaft Preload Torque

See Figure 1

This procedure only applies to Pick-up and Ramcharger models so equipped.

  1. Raise and safely support the vehicle on jackstands.
  2.  
  3. Remove the pitman arm from the pitman shaft.
  4.  
  5. Remove the horn pad.
  6.  
  7. Loosen the sector shaft adjusting screw locknut and back off the adjusting screw about 1 1 / 2 turns.
  8.  
  9. Turn the steering wheel to the right stop and then back 1 / 2 turn. Measure the torque required to turn the steering while back to the straight-ahead position. The specification is 4-6 inch lbs. (0.45-0..7 Nm).
  10.  



Click image to see an enlarged view

Fig. Fig. 1: Use a spanner and torque wrench as shown to adjust the thrust bearing preload

  1. If not within specifications, loosen the large adjustment cap locknut and turn the adjustment cap until the proper preload is reached. Turning the adjuster clockwise increases the preload torque.
  2.  
  3. Tighten the locknut and recheck the preload.
  4.  
  5. Tighten the sector shaft adjuster screw locknut.
  6.  

Sector Shaft Adjustment

See Figure 2

  1. Perform the wormshaft preload procedure.
  2.  
  3. Center the steering wheel.
  4.  
  5. Loosen the sector shaft adjuster screw locknut and screw the adjuster screw all the way down. Tighten the locknut.
  6.  



Click image to see an enlarged view

Fig. Fig. 2: Power steering gear sector shaft adjustment-Pick-Up and Ramcharger

  1. Rotate the steering wheel 1 / 4 turn away from the overcenter position. Measure the torque required to rotate the wheel over the overcenter position. The specification is 14 inch lbs. (1.6 Nm).