Coolant, Draining And Filling: Draining

WARNING: This page is about a different car, the 2018 Audi S6, 2017 Audi S6, and 2016 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

Coolant Draining

WARNING:

The cooling system is under pressure when the engine is warm. 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.

-- Remove the cap -arrow- from the coolant reservoir.

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

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

-- Place the :VAS6208 underneath.

Audi S6/S7:

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-- Remove the drain plug -2- and drain the coolant.

-- Loosen the clamp -1- and remove the coolant hose from the left lower coolant pipe.

Audi RS6/RS7

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-- Free up the wiring harness -arrow-.

-- Remove the nut -1- and free up the coolant hose.

-- Open the clamp -4-, remove the coolant hose and drain the coolant.

NOTE:

Ignore items -2 and 3-.

-- Lift clamp -1- to disconnect the coolant hose, and drain the coolant.

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore item -2-.