what makes the little red brake light come one?

Kneale Brownson knotnook at traverse.com
Mon Nov 4 07:48:06 EST 2002

Have you tested the "bomb"?  Test is to turn off the engine and pump the
brake pedal until it gets hard.  A good bomb can give you 30 or more
pumps.  A fading bomb gives you 10 or fewer pumps.  A dead bomb gives you
one or zero pumps.  The red light coming on as the engine starts and then
disappearing indicates the accumulator (bomb) isn't holding its pressure.

At 02:18 AM 11/04/2002 -0500, Audi Sport wrote:
>[ Converted text/html to text/plain ]
>All the fluids are well above minimum level and that light comes on wether I
>use the brakes or not. One thing to note though is that the light used to come
>on sometimes when I'd turn the car on but as soon as I would tap the brakes it
>would go off. I don't know if that helps any but I thought I'd throw it in.
>My original post is below.
>If you aren't low on brake fluid and the emergency brake is released, under
>what other conditions would the little red "BRAKE" light come up on the bottom
>of the dash. It just keeps comming and going and most of the time it keeps
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