Master Cylinder: Disassembly

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Remove the reservoir tank.
CAUTION: Be careful not to tighten a vise excessively.
1. Place the master cylinder assembly between aluminum plates and fix it on a vise.
2. Drive out the pin using a punch and a hammer to remove the reservoir tank.
  
  Fig 1: Releasing Pin Using Punch
  Courtesy of SUBARU OF AMERICA, INC.
Remove the seal from the cylinder body assembly.