Coolant, Draining And Filling: Draining

WARNING: This page is about a different car, the 2015 Audi S7, 2015 Audi RS 7, 2014 Audi S7, 2014 Audi RS 7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Coolant Reservoir Cap

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WARNING:

Risk of scalding due to hot steam and hot coolant.

The coolant system is under pressure when the engine is warm.
Cover the coolant reservoir cap with a cloth and then open it slowly to release the pressure.

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

-- Remove the front noise insulation, refer to Noise Insulation .

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

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

Audi S6/S7:

Fig 2: Identifying Drain Plug And Clamp

Courtesy of AUDI OF AMERICA, LLC

-- 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:

NOTE: Ignore -items 2 and 3-.

-- 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.

Fig 3: Identifying Nut And Clamp

Courtesy of AUDI OF AMERICA, LLC

NOTE: Ignore item -2-.

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

Fig 4: Identifying Clamp

Courtesy of AUDI OF AMERICA, LLC