Lower Ball Joint: 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.
- Raise and support vehicle. Place jack under lower control arm spring seat. Remove tire and wheel assembly. Remove ball joint stud cotter pin and stud nut. Position Ball Joint Separator (J-23742 ) between ball joint studs. See Figure .
- Extend ball joint separator to loosen ball joint stud from steering knuckle. Remove ball joint separator. Pull steering knuckle from lower ball joint.
- Place a wooden block between upper control arm and frame to keep steering knuckle assembly out of the way. Ensure no tension exists on brake caliper hose. Remove grease seal and grease fitting from ball joint.
- Install "C" Clamp (J-9519-30 ), Adapter (J-9519-40 ) and Remover/Installer (J-9519-28 ) from Ball Joint Remover and Installer Set (J-9519-D ) on lower ball joint. See Fig 1 . Rotate forcing screw on "C" clamp to press lower ball joint from control arm bore. Remove ball joint.