Cooling system, draining and filling: Draining

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Catch drained coolant in a clean container for re-use or disposal.

CAUTION: Hot steam can escape when cap on expansion tank is opened. Cover cap with cloth and open carefully.

Open cap on coolant expansion tank.

Fig 1: Removing Sound Insulation

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Remove sound insulation - arrows -.
Place drip tray VAG1306 under engine.

Fig 2: Pulling Retaining Clip For Engine Coolant Temperature (ECT) Sensor G2 Off Lower Coolant Hose And Drain Coolant From Radiator

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pull retaining clip - 1 - for Engine Coolant Temperature (ECT) sensor G2 - 2 - off lower coolant hose and drain coolant from radiator.

Fig 3: Disconnecting Coolant Hose From Oil Cooler And Drain Off Remaining Coolant

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect coolant hose from oil cooler - arrow - and drain off remaining coolant.

NOTE:

Observe disposal regulations.