Install the charge air pipe on the charge air cooler (CAC). Connect the upper oil hose to the oil cooler

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: Throttle Body Charge Air Pipe

Courtesy of VOLVO CARS OF NORTH AMERICA.