TM 9-2320-266-34
(4) Follow the coil spring installation procedure in
(6) After the upper ball joint has separated from the
steering knuckle, remove the nut, and remove the eccentric
pivot bolts and the control arm.
(5) After the vehicle has been lowered to a driving
(7) Place the control arm in a vise and assemble tool
position, tighten the hex head mounting bolt to 210 ft-lbs.
C-3962 over the bushing (figure 7-5). Press the bushing out
7-5. Lower Ball Joint.
of the arm.
a. Inspection.
(1) Chock the rear wheels and raise the front end on
jack stands. The tire should be about 3 inches off the floor.
(2) Have an assistant insert one end of a metal rod
(about 6 feet long) under the tire, and alternately lift and
release the free end of the rod. He should lift with strong
pressure.
(3) As the assistant lifts, watch the ball joint. If you
see more than one-eighth inch up-and-down free play,
replace the ball joint (b and c, below).
b. Removal.
(1) Follow the coil spring removal procedure in
(2) Loosen the lower control arm mounting bolt.
(3) Remove the ball joint seal.
(4) Using tool C4212-L, press the ball joint from the
lower control arm.
Figure 7-4. Freeing the Upper Ball Joint
c. installation.
from the Steering Knuckle.
(1) Using tool C4212-L, press the new ball joint into
the lower control arm.
(2) Press the ball joint seal into the lower ball joint.
(3) Follow the coil spring installation procedure out-
lined in paragraph 7-3.
(4) After the vehicle has been lowered to a driving
position, tighten the hex head mounting bolt to 210 ft-lbs.
7-6. Upper Control Arm and Bushing.
a. Removal.
(1) Chock the rear wheels, Raise the front of the
vehicle and place it on jack stands.
(2) Remove the wheel and tire assembly.
(3) Place a jack under the lower control arm and
compress the coil spring 1 to 2 inches.
Figure 7-5. Removing Upper Control Arm Bushing.
(4) Remove the cotter key and loosen the nut one-
half inch on the upper ball joint stud.
(5) Using a pry bar, press up on the control arm, and,
at the same time, strike the steering knuckle with a hammer
Change 1 7-3
