C 2500 Truck 2WD V8-454 7.4L (1988)
NOTICE:
Support caliper with a piece of wire to prevent damage to brake line.
6.
Remove cotter pin (Fig. 2, 68) and stud nut (Fig. 2, 67) from upper ball joint (Fig. 2, 66).
7.
Remove upper ball joint (Fig. 2, 66) from knuckle.
a. Support knuckle assembly.
Figure 3
b. Use J-23742 as shown in Figure 3.
c. Inspect tapered hole in knuckle and remove any dirt. If hole is out of round, deformed or damaged, knuckle must be replaced.