2006 Chevrolet Monte Carlo Brake Master Cylinder

The procedure is to remove the master cylinder, secure the master cylinder in a vise, remove the brake fluid level sensor, tap out the reservoir retaining pins, remove the reservoir and remove the seals.

The procedure is to remove the brake master cylinder, secure the mounting flange of the brake master cylinder in a bench vise, clean the outside of the master cylinder reservoir on and around the reservoir cap, remove the reservoir cap and diaphragm from the reservoir, inspect the reservoir cap, remove the master cylinder reservoir, depress the primary piston, remove the piston retainer, remove the primary piston assembly, plug the cylinder inlet ports and the rear outlet port and discard the primary piston assembly, the piston retainer, and the seals and seal retainer.

You can clean the interior and exterior of the master cylinder, the secondary piston, and the return spring, inspect the master cylinder bore, inlet and outlet ports, the secondary piston, and the return spring, and dry the master cylinder and the individual components, lubricate the master cylinder bore, the secondary piston, the return spring and all of the individual overhaul components, assemble the lubricated, new primary seal, retainer and new secondary seal onto the secondary piston, install the lubricated return spring and secondary piston assembly, install the lubricated, new primary piston assembly, depress the primary piston, install the new piston retainer, install the master cylinder reservoir, install the reservoir cap and diaphragm to the reservoir and install the master cylinder to the vehicle.

You can use only Delco Supreme 11(R), GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.