Protecting the concentric slave cylinder (CSC)
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.
Place a sheet of paper on the input shaft for the gearbox.
NOTE:
Paper must be used as protection. The cleaning spray contains mineral oil. Mineral oil can damage the seal in the throw-out bearing (cars with a concentric slave cylinder). Cars manufactured from model year 1998 have a concentric slave cylinder.