Replacing Master Cylinders
The most common problems that occur in the master cylinder are wear in the piston bore and piston seal failure.

No Pedal Condition With New Master Cylinder Installation
This tech tip will help determine if a master cylinder is defective.

ADVICS Tech Tip: Proper Master Cylinder Installation
Ensure that mounting areas of the master cylinder and the pipe joints are free of damage and debris. Fluid leakage and improper hydraulic pressure may cause brake failure.

Acura Tech Tip: Brake Master Cylinder Leaking
A cup seal in the master cylinder is sensitive to the type of brake fluid used in the brake system. If the brake fluid is replaced with anything other than Acura (or Honda) Genuine DOT 3 Brake Fluid, and the brakes are manually bled, the cup seal may twist in its retention groove and create a small leak.
