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1.Make mating marks on the radiator upper hose and the hose clip as shown to install them
in the original position.
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2.Break off the tip of hose clip claw and spread out the hose clip, then disconnect the
radiator upper hose.
| note |
If there is a hose clip claw, the hose clip cannot spread to capacity because the claw
contacts the hose clip.
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Use special tool water temp sensor wrench (MB992042) to remove the engine coolant temperature
sensor.
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| caution |
Avoid adhesion of engine oil or grease to the O-ring.
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Fit the O-ring in the water inlet pipe groove, wet the O-ring circumference or the pipe
mounting area inner wall, and then insert the O-ring.
|
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1.Apply the specified sealant to the thread of the engine coolant temperature sensor.
Specified sealant: ThreeBond 1324N or equivalent
| note |
Install the engine coolant temperature sensor immediately after applying sealant.
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2.
| caution |
After the installation, until a sufficient period of
time (one hour or more) elapses, do not apply the oil or water to the sealant application area
or start the engine.
|
Use special tool water temp sensor wrench (MB992042) to tighten the engine coolant temperature
sensor to the specified torque.
Tightening torque: 30 ± 9 N·m
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1.
| caution |
Never reuse the hose clip whose claw is broken off to prevent
the rusting.
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Make mating mark on a new hose clip in the same position as the remove one.
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2.Insert the radiator upper hose until the protrusion of the water outlet fitting.
3.Align the mating marks on the radiator upper hose and hose clip.
4.Remove the hose clip claw and shorten the hose clip, then install the radiator upper
hose.
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