Master Cylinder: Removal

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.

CAUTION:

Do not allow brake fluid to come in contact with the painted surface of the vehicle body. If it does, wash off with water and wipe away completely.
Prepare a container to catch grease or oil, etc. If any grease or oil spills, wipe it off and clean immediately to prevent from penetrating into floor or flowing outside.
Since the master cylinder assembly cannot be disassembled, disassembly and cleaning are prohibited. When replacing, replace the master cylinder assembly.

Disconnect the ground terminal from battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
Drain brake fluid from the reservoir tank completely.
Remove the master cylinder assembly.
CAUTION: In order to prevent the contact of the bracket and check valve, be sure to loosen the master cylinder mounting nut while holding the bracket with hand. Otherwise it may deform the bracket.

Fig 1: Identifying Master Cylinder Assembly
Courtesy of SUBARU OF AMERICA, INC.
1. Disconnect the fluid level gauge connector (a).
2. Disconnect the clutch hose (b). (MT model)
3. Disconnect the brake pipe (c).
4. Remove the nut (d), and slowly remove the master cylinder from the brake booster.
  
  Fig 2: Identifying Fluid Level Gauge Connector And Clutch Hose
  Courtesy of SUBARU OF AMERICA, INC.