FAQ for Brake Master Cylinder Repair
Q: What's the recommended torque for the master cylinder mounting nuts?
A:
The recommended torque is 33 N.m (24 lb-ft).
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:
The brake system should be inspected for wear and possible brake fluid leaks.
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 denatured alcohol, or equivalent.
By BobGM Specialist
01/11/2022 Q: Can I use abrasives to clean the brake master cylinder bore?
A:
No, you cannot. You should not use abrasives to clean the brake master cylinder bore.
By BobGM Specialist
01/11/2022 Q: What does that mean if the brake fluid level is at or below the half-full point during routine fluid checks, and an inspection of the brake system did not reveal wear or brake fluid leaks?
A:
The brake fluid may be topped off up to the maximum-fill level.
By BobGM Specialist
01/11/2022 Q: What should be noticed when you install the master cylinder?
A:
You will need to install a rubber cap or plug to the exposed brake pipe fitting ends to prevent brake fluid loss and contamination.
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 before installing the reservoir cap and diaphragm to the reservoir?
A:
You will need to install the master cylinder reservoir to the master cylinder.
By BobGM Specialist
01/11/2022 Q: What should be done if the brake fluid is to be added to the master cylinder reservoir?
A:
You will need to clean the outside of the reservoir on and around the reservoir cap before removing the cap and diaphragm. 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.
By BobGM Specialist
01/11/2022 Q: How to remove the master cylinder reservoir?
A:
You will need to remove the master cylinder, secure the master cylinder in a vise, remove the brake fluid level sensor, carefully tap out the reservoir retaining pins, remove the reservoir from the master cylinder, and then remove the seals from the master cylinder.
By BobGM Specialist
01/11/2022 See more FAQs (6)