![](../../../img/34/AC106820AH00ENG.png)
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1.Install special tool ball
joint remover (MB991897 or MB992011) as shown in the
figure.
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![](../../../img/34/AC106821AG00ENG.png)
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2.Turn the bolt and knob as
necessary to make the jaws of special tool parallel, tighten
the bolt by hand and confirm that the jaws are still
parallel.
note |
When adjusting the jaws in
parallel, make sure the knob is in the position
shown in the figure.
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3.Tighten the bolt with a wrench to
disconnect the ball joint.
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If the upper arm ball joint is
disengaged from the knuckle, always renew the upper arm ball
joint dust cover and retainer by following the procedure
below.
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![](../../../img/34/AC306269AB00ENG.png)
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2.
caution |
Be careful not to damage the
ball joint stud.
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Use a flat-tipped screwdriver to remove the
retainer.
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![](../../../img/34/AC306273AB00ENG.png)
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3.Apply multi-purpose grease
evenly around the ball joint stud. Amount to
use: 7.5 g or more
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![](../../../img/34/AC306270AB00ENG.png)
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4.Apply multi-purpose grease
to the new retainer, and assemble it to the new dust
cover.
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![](../../../img/34/AC306271AB00ENG.png)
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5.
caution |
Total grease amount (grease
amount used in step 3 and this step) should be
22 ± 1 g.
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Fill multi-purpose grease inside the dust cover as
shown. 6.Apply multi-purpose grease to the dust
cover lip. 7.Tape the stud threads to avoid
damage.
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![](../../../img/34/AC306272AB00ENG.png)
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8.
caution |
Ensure grease does not come
into contact with the ball joint threads and
tapers. Wipe off the grease if
contaminated.
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Use special tool boll joint dust cover installer
(MB990799) to drive the dust cover into the position
shown. 9.Secure the dust cover with the clip
ring. 10.Engage the upper arm ball joint with the
knuckle.
note |
The retainer is secured in a
predetermined position by tightening the ball
joint nut to the specified torque.
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