WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Pad
Courtesy of VOLVO CARS OF NORTH AMERICA.
Insert the engine pad between the bodywork and the three-way catalytic converter (TWC).
Secure the heat shield on the engine pad so that it is against the three-way catalytic converter (TWC).