![](../../../img/11/AK802798AC00ENG.png)
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caution |
- To reuse the water pump belt, draw an
arrow
indicating the rotating direction on the
back of the water pump belt using chalk
to install
the same direction.
- Hang the special tool drive belt remover
(MB992276) on the vehicle components
(including
front sidemembers) using a cord and
paper clip to prevent from
falling.
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![](../../../img/11/AC809080AB00ENG.png)
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1.Mount the special tool
drive belt remover (MB992276) in between the water pump
pulley
and the water pump belt, then hold it with your
fingers.
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![](../../../img/11/AK802800AC00ENG.png)
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2.
caution |
Be careful that the finger
holding the special tool MB992276 is not
pinched.
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Slightly turn the crankshaft pulley clockwise until
the special tool MB992276 is pinched
and held between the water pump pulley and the water pump
belt. 3.If the special tool MB992276 is held, move
the finger off. 4.
caution |
If the water pump belt is
detached, be careful that the special
tool MB992276 is also detached and fallen.
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Slowly turn the crankshaft pulley clockwise until
the water pump belt goes aground on
the special tool MB992276 and is
detached. 5.Remove the special tool
MB992276.
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![](../../../img/11/AK802539AC00ENG.png)
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1.Use Front hub and flange
yoke holder (MB990767) and Pin (MD998754) to
insert the pin into the crankshaft pulley hole and prevent
it from rotating. 2.Remove the crankshaft pulley
centre bolt.
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![](../../../img/11/AK802541AC00ENG.png)
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1.If the crankshaft pulley
is replaced, hit the dowel pin with a hammer to press-fit it
to the position shown in the illustration.
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![](../../../img/11/AK802539AC00ENG.png)
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2.Use Front hub and flange
yoke holder (MB990767) and Pin (MD998754) to
insert the pin into the crankshaft pulley hole and prevent
it from rotating.
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![](../../../img/11/AK802542AD00ENG.png)
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3.Use a waste to wipe off
the dirt on the crankshaft pulley centre bolt, crankshaft
thread
hole and washer. 4.Use a waste to wipe off the
dirt on the crankshaft pulley, the crank shaft and the
oil pump drive shaft. Remove the grease on the portion shown
in the illustration.
note |
Remove the grease in order
that adhered oil cannot decrease the friction
coefficient of
the pressed area.
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5.Install the crankshaft
pulley. 6.Apply an appropriate and minimum amount
of engine oil to the thread
portion of the crankshaft pulley centre bolt and the lower
portion of the flange. 7.Install the crankshaft
pulley washer to the crankshaft pulley centre
bolt. 8.Tighten the crankshaft pulley centre bolt
to the tightening torque
of 250 N·m. 9.Loosen the crankshaft pulley
centre bolt fully. 10.Tighten the crankshaft
pulley centre bolt to the tightening torque110
N·m again.
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![](../../../img/11/AK802540AC00ENG.png)
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11.As shown in the
illustration "A," apply the paint mark to the crankshaft
pulley on the
extended line of the corner adjacent to the one of the
crankshaft pulley centre bolt corners. 12.
caution |
- If the tightening angle
is smaller than the specified tightening
angle, the appropriate tightening
capacity cannot be
secured.
- If the tightening angle is larger than
the specified tightening angle, remove
the
bolt to start from the beginning again
according to the procedures.
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Tighten the crankshaft pulley centre bolt an
additional 60°. Make sure the paint
mark of crankshaft pulley centre bolt is aligned with the
paint mark of crankshaft pulley as
shown in the illustration "B."
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![](../../../img/11/AC900196AB00ENG.png)
![](../../../img/11/AC809096AB00ENG.png)
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1.
caution |
Check that the notches of the
notched pulley and the notches of the water pump
belt are
fit correctly.
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Place the water pump belt onto the front step (rear
3 ribs area) of crankshaft pulley,
slowly turn the crankshaft pulley clockwise with the water
pump belt on the water pump pulley side
held with your fingers to install the water pump
belt.
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![](../../../img/11/AC809082AB00ENG.png)
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2.
caution |
Hang the special tool drive
belt installer (MB992288)
on the vehicle components (including front
sidemembers) using a cord and paper clip to
prevent
from falling.
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Set the special tool drive belt installer (MB992288)
to the crankshaft pulley.
note |
Slightly turn the crankshaft
pulley clockwise until the special tool drive
belt installer
(MB992288) is pinched and held between the water
pump belt and the crankshaft pulley.
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3.Slowly turn the crankshaft pulley clockwise
and install the water pump belt. 4.Turn the
crankshaft pulley clockwise on several times and check that
the water pump
belt is installed in the water pump pulley and the
crankshaft pulley securely.
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