Chevrolet 1977 light duty truck Service Manual page 308

J-23454-1
FLAT WASHER
(HIDDEN)
J-951 9 -1 0
Fig. 3C-10K--Removing Lower Ball Joint
threads in the yoke can he easily dam aged by
the hardened threads in the adjusting sleeve i f
caution is not used during knuckle removal.
N OTE: Remove the lower ball joint snap ring
before beginning.
removed before any service can be perform ed on
the upper ball joint.
1. Remove the lower ball jo in t using tools J-9519-
10, J-23454-1, and sleeve J-6382-3 or equivalent as shown
in Figure 3C-10K.
N O T E: If Tool J-6382-3 is not available, a suitable
tool may be fabricated from 2 -1 /2 " O.D. steel
tubing with 3 /1 6 " wall thickness, cut 2 -1 /2 " long.
2. Remove the u pper ball joint using tools J-9519-
10, J-23454-1, and sleeve J-6382-3 or equivalent as shown
in Figure 3C-11K.
3. Install the lower ball jo int into the knuckle.
M ake sure that the lower ball jo in t (the joint without
Lower ball joint must
J - 2 3 4 5 4 - 1
J - 6 3 8 2 - 3
J - 9 5 1 9 - 1 0
Fig. 3 C -12 K -In sta llin g Lower Ball Joint
cotter pin hole in the stud end) is straight. Press the stud
into the knuckle until properly seated using tools J-9519-
10. J-23454-2, and J-6382-3 or equivalent as shown in
Figure 3C-I2K and install snap ring.
4. Install the upper ball jo in t into the knuckle.
Press the stud into the knuckle until properly seated
be
using Tools J-95 19-10,
equivalent as shown in Figure 3C-13K.
Installation
See CAUTION on page 1 o f this
C AU TIO N :
section regarding the fasteners in the following
steps.
1. Position the knuckle and sockets to the yoke.
Install new nuts finger tight to the upper (the nut with
the cotter pin slot) and lower ball socket studs.
2. Push up on the knuckle (to keep the ball socket
from turning in the knuckle) while tightening the lower
socket retaining nut. Torque lower nut to 70 ft. lbs.
3. Torque the yoke upper ball stud adjusting sleeve
to 50 ft. lbs. using S p a nne r J-23447. See Figure 3C-14K.
4. Torque the upper ball socket nut to 100 ft. lbs.
BALL JO IN T
J-23454-2, and J-6382-3
J -2 3 4 5 4 -2
J-9519-10
or