Drain The Coolant

WARNING: This page is about a different car, the 2022 Audi A6 Quattro and 2021 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Shop Crane - Drip Tray: VAS6208

During installation, all heat shield boots must be installed at the same location.

Fig 1: Coolant Expansion Tank

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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 expansion tank cap -1- by releasing the catch in direction of -arrow-.

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

Audi A6/A7

-- Remove the front left wheel spoiler. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

Continuation for All Vehicles:

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-- Place the : VAS6208 underneath.

CAUTION:

There is a risk of injury if the radiator fan turns on by itself.

- Disconnect the connectors.

-- Lift the clamp -2- and remove the coolant hose from the lower right of the radiator and drain the coolant.

-- Version with dual clutch transmission: loosen the hose clamp -right arrow- and remove the coolant hose from the ATF cooler and drain the coolant, to do so open the heat shield boot if equipped.

Courtesy of AUDI OF AMERICA, LLC

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 Figure for versions with a connector coupling.