Express 1/2 Ton Van V6-4.3L VIN W (1999)
Ball Joint: Specifications
Wear Limit
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 floor stands.
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The upper control arm bumper must not contact the frame.
1. Raise the vehicle. Support the vehicle with safety stands. Support the lower control arm with a floor stand or jack, as far outboard as possible, near
the ball joint.
2. Wipe the ball joints clean. Check the seals for cuts or tears.
3. Adjust the wheel bearings. Refer to Wheel Bearing Adjustment.
4. Check the ball joints for horizontal looseness.
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Position the dial indicator against the lowest outboard point on the wheel rim.
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Rock the wheel in and out while reading the dial indicator. This shows horizontal looseness in both joints.
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The indicator reading should be no more than 3.18 mm (0.125 inches). If the reading is too high, check the lower ball joint for vertical
looseness.
