FAQ for Brake Master Cylinder Repair
Q: How to remove the master cylinder reservoir?
A:
You will need to remove the master cylinder and the fluid level sensor, drain the brake fluid from the master cylinder reservoir, tap out the reservoir retaining pins, remove the reservoir from the master cylinder, then remove the seals from the master cylinder reservoir.
By BobGM Specialist
01/11/2022 Q: What should be done before drying the reservoir with non-lubricated, filtered air?
A:
You will need to clean the reservoir with clean denatured alcohol, or equivalent.
By BobGM Specialist
01/11/2022 Q: What should be done before removing the master cylinder overhaul?
A:
You will need to remove the brake master cylinder from the vehicle.
By BobGM Specialist
01/11/2022 Q: How many brake master cylinder mounting nuts need to be installed?
A:
2brake master cylinder mounting nuts are needed.
By BobGM Specialist
01/11/2022 Q: When should I replace any components of the reservoir cap and diaphragm?
A:
If any of these conditions including cuts or cracks, nicks, or deformation are present, you can replace the affected components.
By BobGM Specialist
01/11/2022 Q: What's the recommended torque for the brake master cylinder mounting nuts?
A:
The recommended torque is 25 Nm (18 ft. lbs.).
By BobGM Specialist
01/11/2022 Q: What is the recommended fluid added to the brake master cylinder reservoir?
A:
The recommended fluid is Delco Supreme 11 (R), GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 only.
By BobGM Specialist
01/11/2022 Q: What should be done if the brake fluid level is at or below the half-full point during routine fluid checks?
A:
You will need to inspect the brake system for wear and possible brake fluid leaks.
By BobGM Specialist
01/11/2022 Q: How do I lubricate the new seals and the reservoir bayonets?
A:
You may lubricate the new seals and the reservoir bayonets with the new Delco Supreme II, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid.
By BobGM Specialist
01/11/2022 Q: What's the recommended torque for the brake pipe fittings at the master cylinder?
A:
The recommended torque is 33 Nm (24 ft. lbs.).
By BobGM Specialist
01/11/2022 See more FAQs (5)