Install the coolant expansion tank for the low-temperature coolant circuit (charge air cooler)

CAUTION: Materials harmful to health.
Contact with fluids harmful to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: TECHNICAL INFORMATION
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Release and remove the coolant expansion tank (2) for the low-temperature coolant circuit from the holder.
Unlock each lock (1) in the direction of the arrow.

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Connect the coolant hoses (1), (2) and (3) to the coolant expansion tank for the low-temperature coolant circuit and lock them.
The coolant hoses (1), (2) and (3) must engage audibly.
Remove the standard disconnection tool.

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Release the cable (1) from the coolant expansion tank for the low-temperature coolant circuit and put to one side.
Disconnect the tank vent line (2) from the coolant expansion tank for the low-temperature coolant circuit and lay onto one side.
Release the coolant line (3) from the coolant expansion tank for the low-temperature coolant circuit and put to one side.

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Open the lid (1) on the coolant expansion tank of the charge air coolers.
Draw the coolant off with a conventional pump.

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Follow-up work

Refer to SEALING OFF COOLANT FOR LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
Refer to INSTALL THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to INSTALLING THE FRONT LEFT BOTTOM WHEEL ARCH COVER .
Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
Refer to INSTALLING FAN COWL .
Refer to INSTALL THE REAR TOP CROSS CONNECTION .
Refer to INSTALL FRONT CROSS CONNECTION .
Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING WITH THE RIGHT FRONT-END STRUT .
Refer to INSTALLING LEFT INTAKE FILTER HOUSING WITH LEFT FRONT-END STRUT .
Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP