C 2500 Truck 2WD V8-305 5.0L (1990)
Figure 17
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With a pry bar, pry between the upper control arm and steering knuckle while observing the dial indicator (figure 17).
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If the reading is more than 1 mm (0.040 inch) replace the ball joint.
NOTICE:
Do not pry in such a manner that the ball jolnt seal is contacted. Damage to the seal will result.
1988-89 C Truck Ball Joint Replacement
Figure 14
BALL JOINT REPLACEMENT, UPPER & LOWER: 1988-89 C TRUCK
Required Tools:
J-23742 Ball Joint Separator
J-9519-D
Ball Joint Remover And Installer Set
J-24319-01
Steering Linkage Puller
1. Raise vehicle and support it with safety jack stands.
2. Support lower control arm with jack and secure spring with a safety chain.
NOTICE:
Jack or stand must remain under the lower control arm spring seat during removal and installation to retain spring and control arm in
position
3. Remove wheel and tire assembly.