Position special tool 6752 (DRIVER) (2) and 6289-6 (RECEIVER) (5) with C-42121–F (PRESS) (1) as shown to install upper ball stud (3) .Install the axle shaft into the axle (Refer to 3 - DIFFERENTIAL & DRIVELINE/FRONT AXLE - 216FBI/AXLE SHAFTS - INSTALLATION) 4X4 only.Install the steering knuckle (Refer to 2 - SUSPENSION/FRONT/KNUCKLE - INSTALLATION).