Expansion Tank Removal And Installation/Replacement

Mobile Repair Possible: No

WARNING: Hot surface
Failure to follow specified procedures may result in severe injuries due to burns or scalds.

Do not commence work until components/liquids have sufficiently cooled down.
Always use personal protective equipment (PPE).

NOTE: Contamination
Contamination or moisture entering the cooling system can lead to malfunction or functional failure.
The vehicle cooling system and any removed components should be capped/sealed during work to prevent contamination entry.

Removal Procedure:

Remove the underbody front air shield. Refer to UNDERBODY FRONT AIR SHIELD REMOVAL AND INSTALLATION/REPLACEMENT
Remove the front trunk. Refer to FRONT TRUNK REMOVAL AND INSTALLATION/REPLACEMENT

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Remove the lid (1).
Extract coolant with a conventional pump.

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Unlock and detach the coolant pipe (1).
NOTE: Environmental Risk
- Collect and dispose of leaking liquids.
- Observe country-specific disposal regulations.
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Clamp off the coolant pipe as indicated (1).
Removal note: Only clamp off flexible hose pipes. Use conventional clamping tools to clamp the pipes.
Unlock and disconnect the coolant pipe (2).
NOTE:
Environmental Risk
- Collect and dispose of leaking liquids.
- Observe country-specific disposal regulations.
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Remove 3 bolts (1).
Torque: 8 Nm
Unlock and disconnect electrical connector (2).
Unthread and remove the cooling system expansion tank (3) upwards.

Installation Procedure:

Installation is the reverse of removal procedure, noting the following.
All fasteners must be tightened to torque specification!
Install the front trunk. Refer to FRONT TRUNK REMOVAL AND INSTALLATION/REPLACEMENT
Install the underbody front air shield. Refer to UNDERBODY FRONT AIR SHIELD REMOVAL AND INSTALLATION/REPLACEMENT
Check coolant level and top up if necessary.