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Upper Control Arm & Pivot Shaft Bushings: Removal

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1990 GMC S15 Pickup, 1990 GMC S15 Jimmy, 1990 GMC Pickup, 1990 GMC Cab & Chassis, and 1990 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support front of vehicle under lower control arms, between spring seats and ball joints. Remove wheel and tire. Place floor jack under lower control arm spring seat.
  2. Note location of alignment shims for reassembly. Remove control arm retaining nuts and remove alignment shims. Remove cotter pin and upper ball joint stud nut. Install Ball Joint Separator (J-23742 ) between the ball studs. Extend ball joint separator to separate ball joint stud from steering knuckle. See Figure .
  3. Support rotor and hub assembly to prevent damage to brake hose. Lift upper control arm and remove upper control arm mounting bolts. Remove upper control arm.
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