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: Placing Lower Pipe From Oil Cooler In A Drip Pan
Courtesy of VOLVO CARS OF NORTH AMERICA.
Place the lower pipe from the oil cooler in a drip pan.
Flush the oil cooler via the upper hose. Use automatic transmission fluid P/N 116 1540-8 (1 liter packaging) and a syringe or similar.