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.
Fig 1: Hose Clamps On Both Engine Coolant Hoses By Heat Exchanger
Courtesy of VOLVO CARS OF NORTH AMERICA.
Install hose clamps on both the engine coolant hoses by the heat exchanger.