Posts Tagged: brake master cylinder

Diagnose a brake master cylinder problem

How to accurately diagnose a brake master cylinder problem If your brake pedal sinks to the floor during braking you have to first determine whether the problem is in the brake master cylinder or somewhere else in the braking system. Start by checking for brake fluid leaks at each wheel, distribution block, and all the brake lines. If you can’t find any leaks and you’re not losing any brake fluid between checks, chances are you have an internal brake master cylinder seal failure. To confirm that, you’ll have to diagnose … Read More