Detach the Coolant Expansion Tank and Move It to the Side

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

The cooling system may be under pressure. There is a risk of scalding due to hot steam and hot coolant.

Scalding the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Reduce the pressure by covering the coolant expansion tank cap with a suitable towel and carefully opening it.

-- To decrease the pressure in the cooling system, briefly open the cap -1- for the coolant expansion tank -arrow- and close again.

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-- Disconnect the connector -1-.

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-- Open the bracket -2- and disengage the fuel hoses -3-.

-- Release the hook -4- and put aside the coolant expansion tank -5-.

Remove the Coolant Expansion Tank

-- Refer to Detach the Coolant Expansion Tank and Move It to the Side

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-- Disconnect the coolant hoses -1 and 2- using the Hose Clamps - Up To 25 mm:3094 .

-- Remove the coolant hose -1-, for this, open the clamp -3-.

-- Close the coolant expansion tank connection using a suitable plug.

-- Turn around the coolant expansion tank.

-- Remove the coolant hose -2-, for this, open the clamp -4-.

-- Remove and drain the coolant expansion tank.

Installing

Install in the reverse order of removal while noting the following:

-- Connect the coolant hoses and secure them with clamps. At the same time pay attention to the marks for installing.

-- Remove the hose clamps.

-- Insert the coolant expansion tank into the mount and engage.

-- Add coolant and check the coolant concentration. Refer to Cooling System, Checking Coolant Concentration .