How do you know if your Chevy has a brake problem?
How do you know if your Chevy has a brake problem? You will find the booster between the master cylinder and the firewall in your engine compartment. A check valve that is faulty can also let vacuum bleed out. You can diagnose this by starting your Chevy in order to build vacuum, and then turning it off for four or five minutes. Then you should try the brakes. What causes brake fluid to go down in a Chevy? Even with proper maintenance, you may find yourself with an unexpected brake problem -- here are some of the most common examples....