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Home >> GMC >> 1998 >> Yukon 4WD >> Repair and Diagnosis >> Suspension >> FRONT SUSPENSION - 4WD Torsion Bar >> Removal & Installation >> Steering Knuckle >> Removal

Steering Knuckle: Removal

  1. Raise and support vehicle. Unload torsion bar tension. See Figure . Count exact number of tool turns for reassembly reference. Slide, but DO NOT remove, torsion bar forward.
  2. Remove wheel and tire assembly. Install Axle Shaft Boot Seal Protector (J-28712) to axle shaft boot to protect drive axle during repair. Depress brake caliper piston, detach brake caliper and wire aside. Remove brake rotor.
  3. Remove axle shaft nut cotter pin, retainer, axle shaft nut and washer. Pull hub and bearing assembly off axle shaft. Remove splash shield. Remove cotter pin and tie rod end stud nut. Using Universal Steering Linkage Puller (J-24319-01), separate tie rod end from steering knuckle.
  4. Remove bolts connecting axle shaft to differential drive flange. Press axle shaft splines out of hub. Remove drive axle from vehicle. Remove upper and lower ball joint stud cotter pins and nuts. Separate upper and lower ball joint studs from steering knuckle using Ball Joint Separator (J-36607).
  5. Remove steering knuckle from vehicle. Inspect steering knuckle grease seal for cuts, distortion and wear. Inspect steering knuckle, hub and bearing for damage. Replace as necessary.