![](../../../img/11/AK600875AB00ENG.png)
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Using special tool Spark plug
wrench (MB991398), removal the spark plug.
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![](../../../img/11/AK600814AB00ENG.png)
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1.Insert a flathead
screwdriver into the clearance between the quick connector
and the retainer. 2.Rotate the flathead
screwdriver 90°, hold up the
retainer. 3.Remove the fuel high-pressure
tube.
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1.cost the inlet manifold
mounting studs with engine oil.
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![](../../../img/11/AK802268AD00ENG.png)
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2.Tighten the nuts on the
left bank to 6.5 ± 1.5 N·m. 3.Tighten
the nuts on the right bank to the specified
torque. Tightening torque: 22 ± 1
N·m 4.Tighten the nuts on the left
bank to the specified torque. Tightening
torque: 22 ± 1 N·m 5.Tighten
the nuts on the right bank to the specified
torque. Tightening torque: 22 ± 1
N·m 6.Tighten the nuts on the left
bank to the specified torque. Tightening
torque: 22 ± 1 N·m
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![](../../../img/11/AK600877AB00ENG.png)
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caution |
Use care not to let gasoline
enter the delivery pipe.
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1.Apply gasoline to the
O-ring. 2.Insert the injector into the delivery
pipe. 3.Make sure the injector rotates smoothly.
If not, remove the injector to check the O-ring for damage,
and replace the O-ring if necessary. Then reinsert the
injector and check that it rotates smoothly.
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![](../../../img/11/AK600790AB00ENG.png)
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When inserting an O-ring into the
injector on the injection nozzle side, use special tool
O-ring installer (MB992106) to gradually expand the O-ring,
and fit it in place.
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![](../../../img/11/AK600878AA00ENG.png)
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1.Make sure that the
protrusion of the injector is at the centre as shown in the
illustration.
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![](../../../img/11/AK800066AA00ENG.png)
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2.Securely assemble the
injector to the injector groove and delivery pipe
collar.
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![](../../../img/11/AK600815AB00ENG.png)
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caution |
Pay attention that the o-ring
of the quick connector has neither scratches nor
a fall.
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1.Insert the quick connector of the fuel high
pressure tube into the delivery pipe. 2.Fit the
retainer of the fuel high-pressure tube in the direction
shown in the illustration.
note |
Make sure the fuel high
pressure tube is not pulled out when pulled
lightly.
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note |
Must confirm there is play of
about 1 mm between quick connector and delivery
pipe.
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![](../../../img/11/AK600875AB00ENG.png)
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Using special tool Spark plug
wrench (MB991398), tighten the spark plug to the specified
torque. Tightening torque: 18 ± 2
N·m
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