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Home >> GMC >> 1990 >> Forward Control 6.2 J, Automatic, 400/M40 >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Suspension - Front (AWD & 4WD)) >> Removal & Installation >> Lower Control Arm >> Removal ("K" Series Blazer & Pickup, Sierra, Suburban & Yukon)

Removal ("K" Series Blazer & Pickup, Sierra, Suburban & Yukon)

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. Remove adjusting arm.
  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. Remove shock absorber-to-lower control arm bolt, nut and washers. Compress shock absorber. Using Universal Steering Linkage Puller (J-24319-01 ), separate inner tie rod end from relay rod. Remove stabilizer bar from vehicle. See STABILIZER BAR  under REMOVAL & INSTALLATION.
  4. Remove bolts connecting drive axle shaft to differential drive flange. Press drive axle shaft splines out of hub. Remove drive axle from vehicle. Remove cotter pin and upper ball joint stud nut. Separate upper ball joint stud from steering knuckle using Ball Joint Separator (J-36607 ).
  5. Remove lower control arm pivot bolts, nuts and washers. Remove lower control arm and steering knuckle from vehicle as an assembly. See Figure . Replace bushings and/or bumper as necessary.
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