Coolant, Draining And Filling: Draining

WARNING: This page is about a different car, the 2015 Audi RS 5, 2014 Audi RS 5, and 2013 Audi RS 5. However, it is still accessible from the selected car via links, so may be relevant.

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 NOISE INSULATION, REMOVING AND INSTALLING .

Fig 1: Automatic Transmission Fluid Oil Pan

Courtesy of AUDI OF AMERICA, LLC

NOTE:

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

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

-- Remove the drain plug -arrow- on the front coolant hose and drain the coolant.

Fig 2: Identifying Drain Plug -Arrow- On Front Coolant Hose

Courtesy of AUDI OF AMERICA, LLC

-- Remove the drain plug -arrow- on the Map Controlled Engine Cooling Thermostat -F265- and drain the coolant.

Fig 3: Identifying Drain Plug -Arrow- On Map Controlled Engine Cooling Thermostat -F265-

Courtesy of AUDI OF AMERICA, LLC

-- Audi RS4/RS5 Coupe: Loosen the clamp -arrow-, remove the coolant hose from the After-Run Coolant Pump -V51- and drain any remaining coolant.

Fig 4: Identifying Clamp -Arrow

Courtesy of AUDI OF AMERICA, LLC