Remove the master cylinder
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Avoid brake fluid spillage when removing.
NOTE:
Ensure that the gasket between the power brake booster and the master cylinder stays in place on the master cylinder.
Remove the soundproofing panel and the power brake booster
For the soundproofing panel, see Remove the driver's side soundproofing panel
For the power brake booster, see Remove the nuts for the power brake booster at the pedal box .