Slacken Off Sub-Frame
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.
Courtesy of VOLVO CARS OF NORTH AMERICA.
Slacken off left front sub-frame screw, the frame will fall away.
Disconnect the fuel line from the plastic clips on the front edge of the frame, in order to access the screws to the additional heater.