S10/T10 Blazer 4WD V6-4.3L VIN W (1997)
Ball Joint: Specifications
Upper
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Tool Required:
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J 8001 Dial Indicator
Make sure the vehicle rests on a level surface.
Raise the vehicle and support it with safety stands. Support the lower control arm with a floor stand or jack as far outboard as possible under the
stabilizer bar bracket.
Important
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The vehicle must be stable and should not rock on the floor stands.
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The upper control arm bumper must not contact the frame.
1. Wipe the ball joints clean and check the seals for cuts or tears.
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If a seal is cut or torn, the ball joint MUST be replaced.
2. Check the ball joints for horizontal looseness.
a. Position a dial indicator against the lowest outboard point on the wheel rim.
b. Rock the wheel in and out while reading the dial indicator. This will show horizontal looseness in both joints.
c. The dial indicator reading should be no more than 3.18 mm (0.125 inch). If the reading is excessive, check the lower ball joints for vertical
looseness.
3. Check the lower ball joints for wear and vertical looseness.
a. With the vehicle on the jack stands, place a (A) dial indicator against the spindle to show vertical movement.