Cooling system, draining and filling: Draining

WARNING: This page is about a different car, the 2006 Audi A8, 2005 Audi A8, and 2004 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Before raising the vehicle on a hoist (wheels off the ground), first activate the vehicle jack mode → 43 - Self Leveling Suspension .
Drained coolant must be stored in a clean container for disposal or reuse.

CAUTION: Cover cap of expansion tank with rag and open carefully, as hot steam i.e. hot coolant may escape when opening.

Open cap of coolant expansion tank.

For vehicles with parking/auxiliary heater:

Fig 1: Removing Bolts For Exhaust Pipe Of Parking Heater/Auxiliary Heater On Noise Insulation

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.

All

Fig 2: Locating Mounting Parts And Removing Noise Insulation

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Loosen mounting parts - 1 - and remove noise insulation.
Place drip tray VAS 6208 under engine.

Fig 3: Identifying Coolant Hose & Drain Plug

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect coolant hose - 1 - to drain coolant.
Open drain plug - 2 - at oil filter bracket and drain coolant from engine at right.

Fig 4: Installing Drain Plug At Oil Filter Bracket With New Gasket In Engine At Left

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Open drain plug - arrows - and drain coolant from engine at left.