Vehicles Without Drain Plug Audi A4 B6

1. Remove retaining clamp for Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-.
2. Remove Engine Coolant Temperature (ECT) sensor from outlet and drain coolant.

Scheme 16

Scheme 17

Scheme 18

1. Pull off retaining clip -1 - for lower coolant hose and disconnect coolant hose from radiator.
2. Disconnect left coolant hose from radiator (arrow).
3. In addition, disconnect coolant hose at oil cooler (arrow) and drain remaining coolant.
4. Place oil pan underneath.
5. Disconnect hydraulic lines to cooling coil at rear of bumper (arrows).