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- Check the bushing for wear and
deterioration.
- Check the upper arm for bend or breakage.
- Check all bolts for condition and
straightness.
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![](../../../img/33/AC504006AB00ENG.png)
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1.After shaking the ball
joint stud several times, install the nut to the stud and
use special tool preload socket (MB990326) to measure the
starting torque of the ball joint.
note |
Rotation starting torque
measurement should be carried out with parts
temperature above 0°C.
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Standard value: 0.4 - 5.6
N·m 2.If the measured value exceeds
the standard value, replace the upper arm assembly (Refer to
). 3.If
the measured value is lower than the standard value, check
that the upper arm ball joint turns smoothly without
excessive play. If so, it is possible to use that ball
joint.
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1.Press the dust cover with
your finger to check that there are no cracks or damage in
the dust cover.
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2.If the dust cover is
cracked or damaged, replace the upper arm assembly (Refer to
).
note |
If the dust cover is cracked
or damaged, it is possible that there may also
be damage to the ball joint.
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