Jeep Wrangler/YJ 1987-1995 Repair Guide

Steering Knuckle

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REMOVAL & INSTALLATION



1987-89 Vehicles

See Figures 1 and 2



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Fig. Fig. 1: Tightening the split ring seat in the bottom of the knuckle-1987-89 vehicles



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Fig. Fig. 2: The split ring seat-1987-89 vehicles

  1. Remove the outer axle shaft.
  2.  
  3. Remove the caliper anchor plate from the knuckle.
  4.  
  5. Remove the knuckle-to-ball joint cotter pins and nuts.
  6.  
  7. Drive the knuckle out with a brass hammer.
  8.  
  9. A split ring seat is located in the bottom of the knuckle. Remove the split ring seat with tool J23447 or equivalent, as shown.
  10.  

To install:

A split ring seat is located in the bottom of the knuckle. During installation, this ring seat must be set to a depth of 5.23mm (0.206 in.) with tool J23447 or equivalent. Measure the depth at the indicated location on the ring seat to the machined lower outer surface surrounding the steering knuckle ball joint bore as shown.

  1. Position the steering knuckle over the ball joint studs and install the knuckle-to-ball joint cotter pins and nuts.
  2.  
  3. Tighten the knuckle retaining nuts to 75 ft. lbs. (101 Nm)
  4.  
  5. Install the caliper anchor plate on the knuckle. Torque the caliper anchor bolts to 77 ft. lbs. (105 Nm).
  6.  
  7. Install the outer axle shaft.
  8.  

1990-95 Vehicles

See Figures 3, 4, 5, 6, 7, 8 and 9



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Fig. Fig. 3: Steering knuckle mounting-1990-95 vehicles



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Fig. Fig. 4: Remove the cotter pin at the tie rod end or drag link on the steering knuckle



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Fig. Fig. 5: Once the cotter pin is removed, loosen the retaining nut



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Fig. Fig. 6: Use a puller to separate the tie rod end or drag link from the steering knuckle



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Fig. Fig. 7: Loosen and remove the lower knuckle-to-ball stud bolt



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Fig. Fig. 8: Then loosen and remove the upper knuckle-to-ball stud bolt



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Fig. Fig. 9: Separate the ball stud from the knuckle, but be careful not to damage the ball joint

  1. Raise and safely support the vehicle.
  2.  
  3. Remove the hub bearing and axle shaft.
  4.  
  5. Disconnect the tie rod end or drag link from the steering knuckle.
  6.  
  7. If equipped, remove the ABS sensor wire and bracket.
  8.  
  9. Remove the upper and lower knuckle-to-ball joint cotter pins and nuts.
  10.  
  11. Strike the knuckle with a brass hammer and remove it.
  12.  

To install:
  1. Position the knuckle over the ball joint studs and install the nuts.
  2.  
  3. Tighten the upper ball joint nut to 75 ft. lbs. (101 Nm). Tighten the lower ball joint nut to 75 ft. lbs. (101 Nm) on 1990-91 vehicles or 80 ft. lbs. (109 Nm) on 1992-95 vehicles.
  4.  
  5. Install new cotter pins. If the ball stud hole does not align with the nut castellation, further tighten the nut until the cotter pin can be installed.
  6.  
  7. Install the hub bearing and axle shaft.
  8.  
  9. Connect the tie rod end or drag link.
  10.  
  11. If equipped, install the ABS sensor wire and bracket.
  12.  

 
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