On Thu, 27 Dec 2007 21:38:52 -0500, "Ernest Scribbler"
wrote:

"Short Wave Sportfishing" wrote
You mean there actually is a vacuum brake booster?
What the hell kind of nonsense is that?

Big round thing between the master cylinder and the firewall. Almost all
cars have them. They rarely fail.

http://www.google.com/search?q=brake%20vacuum%20assist


I had one fail in a Volvo, but in the opposite manner. It would activate
when the brake pedal was pressed, but would then keep applying the brakes
until they locked up.