Cleaning brake pipes and hoses
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.
Brake pipes and hoses should be cleaned before installing.
Rinse the pipes with clean brake fluid or denatured alcohol and clean them with dry, filtered compressed air.