Draining the coolant from the radiator and the engine
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Remove the cap from the expansion tank.
Open the radiator drain cock. Install one hose on the nipple to lead off the coolant.
Close the cock when the coolant is drained.
When draining the coolant from the engine, slacken off the plug at the rear of the engine. Close the plug after draining.