Drain The Coolant

WARNING: This page is about a different car, the 2024 Audi A3 Quattro and 2024 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Engine Bung Set:VAS 6122 for Audi A1 from MY 2018

Fig 1: Engine Bung Set
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Shop Crane - Drip Tray:VAS 6208

Fig 2: Identifying Drip Tray
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Hose Clip Pliers:VAS 6362

Fig 3: Hose Clip Pliers
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Safety Gloves
Protective Eyewear

Procedure

CAUTION:

The cooling system is under pressure when the engine is warm. 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 cloth and carefully opening it.

-- Open the coolant reservoir cap -arrow-.

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-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

Audi A1 from MY 2018:

Fig 4: Identifying Clamps

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-- Loosen the clamps -1 and 2- and remove the air duct hose.

-- Seal the open lines and connections with clean plugs from the Engine Bung Set:VAS 6122 .

Continuation for All Vehicles:

Fig 5: Component Location Engine Coolant Temperature Sensor

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-- Place the Shop Crane - Drip Tray:VAS 6208 underneath.

-- Lift the clamp -3- and remove the lower right coolant hose from the radiator and drain the coolant (example illustration).

-- Loosen the coolant hose -arrow-, remove the coolant hose and hold it toward the rear and let the coolant drain.

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Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.

-- Reattach the coolant hoses. Refer to appropriate Service Information for versions with a connector coupling.