Master Cylinder Assembly: Assembly

When assembling, be sure to use recommended brake fluid. See BRAKE FLUID under BLEEDING BRAKE SYSTEM.
Ensure that the inside wall of cylinder, pistons, and piston cups are free from dirt when assembling.
Be extremely careful not to damage, scratch, or dent cylinder inside wall, pistons, and piston cups.
Do not drop the parts. Never attempt to use any part that has been dropped accidentally.
To assemble the piston assembly, apply recommended brake fluid to inside wall of cylinder and to outer surface of piston assembly, and install the piston assemblies carefully into cylinder.
To assemble the cylinder pin, perform the following procedures:
1. Press the pawl and install the piston retainer into the master cylinder. See Figure .
2. Install the seal to reservoir tank. See Fig 1 .
3. Install the pin with drift pins which secures the reservoir tank to master cylinder.

Fig 1: Installing Seal Into Reservoir Tank

Courtesy of SUBARU OF AMERICA, INC.