Brake light on intermittently - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-04-2006, 08:12 PM   #11
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I've got the same darn problem on my TEVES. Just weak brakes.

Slightly off topic, is there any special procedure to bleed our brakes, other than depressurizing it?
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Old 12-04-2006, 10:41 PM   #12
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See http://reatta.net/brakes/brakes_flushing.html for the Teves - should be flushed every couple of years. Note the process for bleeding the back is different (key on) from the front (key off).
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Old 12-14-2006, 01:12 AM   #13
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Padgett'* got the right link for ya

Since the Teves resevoir is pretty big, and the fluid circulates in there, before flushing/bleeding the lines I would remove the hose on the back of the resevoir and let the whole thing drain. Replace the hose, fill it back up properly, and drive for a day (please do verify the system'* working ok before you get on the road though).

Next day, drain again, refill, bleed the lines, and you'll have all nice and clean fluid
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Old 12-14-2006, 08:48 AM   #14
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Keep in mind that a brake light, even intermittent, can be a warning of a failing master cylinder.

Don't just live with it. Make an attempt to fix it very soon. Please check your MC for signs of leaking.
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Old 12-14-2006, 09:06 AM   #15
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Default Re: Brake light on intermittently

Quote:
Originally Posted by chipkuli
Now, when I drive, I don't see the light on. However, in park, if I pump the pedal, after 3 to 5 times it comes on. Then after 10 or 20 seconds it goes out. I'm going to top up the fluid, but it is above the minimum line, and the fluid level doesn't seem to be moving as far as I can tell.

I just read the topic again. Your quote above concerns me. You don't have an ebrake switch issue at all. It'* totally unrelated. You very likely have a master cylinder failing. I suggest not driving the car until it'* diagnosed and repaired. If the MC fails while driving, you are going to wreck. Especially this time of year.
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