C 2500 Truck 2WD V8-8.1L VIN G (2002)
Ball Joint: Testing and Inspection
Ball Joint Inspection
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Tools Required
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J 8001 Dial Indicator
Important:
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The vehicle must rest on a level surface.
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The vehicle must be stable. Do not rock the vehicle on the jack stands.
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The upper control arm bumper must not contact the frame.
1. Raise and support the vehicle with safety stands. Refer to Vehicle Lifting.
2. Support the lower control arm with a jack stand, as far outboard as possible, near the lower ball joint.
Important: If a seal is cut or torn, replace the ball joint.
3. Wipe the ball joints clean. Check the seals for cuts or tears.
4. Check the wheel bearings for looseness. If looseness in the wheel bearings is present, refer to Wheel Bearings Diagnosis (Sealed).
5. Check the ball joints for horizontal looseness.
5.1.
Position the J8001 dial indicator against the lowest outboard point on the wheel rim.
5.2.
Rock the wheel in and out while reading the dial indicator. This shows horizontal looseness in both joints.
5.3
The dial indicator reading should be no more than 3.18 mm (0.125 inch). If the reading is too high, check the lower ball joints for vertical
looseness.
