Coolant, Draining And Filling: Draining

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2016 Audi S4, 2015 Audi S5, and 2015 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Collect escaping coolant in a clean container for disposal or reuse.

Fig 1: Identifying Coolant Reservoir Marking

GWWA19-10535

Courtesy of AUDI OF AMERICA, LLC

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.

-- Open the coolant reservoir cap.

-- Remove the front noise insulation -1-. Refer to Front Noise Insulation Removing And Installing .

Fig 2: Noise Insulation Panels

GWWA10-11071

Courtesy of AUDI OF AMERICA, LLC

-- Place the Shop Crane - Drip Tray VAS6208 under engine.

Fig 3: Identifying Drain Plug

GWWA19-10589

Courtesy of AUDI OF AMERICA, LLC

-- Remove the drain plug -1- and drain the coolant.

NOTE:

Ignore item -2-.

-- Loosen the hose clamp -arrow-, remove the coolant hose from the oil cooler and drain the coolant.

Fig 4: Disconnecting Coolant Hose From Oil Cooler

GWWA19-10071

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The engine is not shown in the following illustrations.

Vehicles with Left Front Coolant Pipes, Version 1

Fig 5: Identifying Hose Clamps -1 And 3- & Left Front Coolant Hose

GWWA19-10509

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamps -1 and 3-, remove the left front coolant hoses from the coolant pipes and drain any remaining coolant.

NOTE:

Ignore item -2-.

Vehicles with Left Front Coolant Pipes, Version 2

Fig 6: Locating Lower Coolant Pipe Bolt

GWWA19-10749

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamps -arrows-, drain any remaining coolant and then remove the coolant hoses from the left front coolant pipes.

NOTE:

Ignore item -1-.