FAQ for Brake Master Cylinder Repair
Q: What is the assembly procedure for overhauling the master cylinder?
A:
The procedure is to install the lubricated return spring, the secondary piston assembly, the lubricated, new primary piston assembly, the master cylinder reservoir, and the master cylinder.
By BobGM Specialist
01/11/2022 Q: How to remove the master cylinder?
A:
You shall disconnect the electrical connector and the brake pipes, and remove the master cylinder and the reservoir.
By BobGM Specialist
01/11/2022 Q: What kinds of fluid should be filled into the master cylinder reservoir?
A:
When adding fluid to the brake master cylinder reservoir, you shall use only Delco 11. GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
By BobGM Specialist
01/11/2022 Q: What is the removal procedure for the master cylinder reservoir?
A:
The procedure is to remove the master cylinder, the master cylinder fluid level sensor, the master cylinder reservoir, and the seals.
By BobGM Specialist
01/11/2022 Q: What should be done to get access to the rear of the primary piston?
A:
You shall secure the mounting flange of the brake master cylinder in a bench vise.
By BobGM Specialist
01/11/2022 Q: What is the disassembly procedure for overhauling the master cylinder?
A:
The procedure is to remove the brake master cylinder, the reservoir cap and diaphragm, the master cylinder reservoir, the primary piston assembly, the secondary piston with the primary and secondary seals, and the return spring.
By BobGM Specialist
01/11/2022 Q: How to remove the master cylinder fluid level sensor?
A:
You shall disconnect the electrical connector, and remove the brake fluid level sensor.
By BobGM Specialist
01/11/2022 Q: What should be noticed before servicing the rear of the primary piston?
A:
When adding fluid to the brake master cylinder reservoir, you shall use only Delco Supreme 11, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
By BobGM Specialist
01/11/2022 Q: How to install the master cylinder?
A:
You shall install the brake master cylinder reservoir, the master cylinder, and the brake pipes, and connect the electrical connector.
By BobGM Specialist
01/11/2022 Q: What is the proper way to install the master cylinder reservoir?
A:
The proper way is to install the seals, the reservoir, the master cylinder fluid level sensor, and the master cylinder.
By BobGM Specialist
01/11/2022 See more FAQs (6)