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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Suspension - Front (AWD & 4WD)) >> Removal & Installation >> Steering Knuckle >> Removal

Steering Knuckle: Removal

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1992 Oldsmobile Bravada, 1992 GMC Yukon, 1992 GMC Suburban, 1992 GMC Sonoma, and 1992 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.
  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 drive axle shaft boot to protect drive axle during repair. Depress brake caliper piston, detach brake caliper and wire aside. Remove brake rotor.
  3. Remove drive axle shaft nut cotter pin, retainer, drive axle shaft nut and washer. Slide hub and bearing assembly off drive 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. On Astro, "K" Series Blazer & Pickup, Safari, Sierra, Suburban and Yukon, remove bolts connecting drive axle shaft to differential drive flange. Press drive axle shaft splines out of hub. Remove drive axle from vehicle. Remove upper and lower ball joint stud cotter pins. Separate upper and lower ball joint studs from steering knuckle using Ball Joint Separator (J-36607 ).
  5. On Bravada, Jimmy, Sonoma, Syclone, Typhoon and "T" Series Blazer & Pickup, remove upper and lower ball joint stud cotter pins. Place Ball Joint Separator (J-34026 ) over upper ball joint stud. Loosen ball joint stud nut. See Figure . Back off nut until nut contacts tool. Continue backing off nut until nut forces ball stud out of steering knuckle. Remove spacer. Repeat procedure to separate lower ball joint from steering knuckle.
  6. On all models, 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.
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