Brake warning light?



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Thread: Brake warning light?

  1. #1
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    Brake warning light?

    I noticed on my way to work this morning that my brake warning light was flashing intermitantly. (I guess that flashing is a bad way to describe it. It was just turning on and off in a seemingly random fashion.) I checked the e-brake and that was disengaged but the light still flashed. The brakes seem to work just fine. And they should be as I replaced the everything (master cyl., brake cyl.'s, calipers) not even a year ago. Might the light be flashing as a result of the cold/snow?
    If at first you don't succeed, get a bigger hammer!!

    Current ride:
    2005 Dodge Grand Caravan SXT (3.8L, purchased at 108,000kms. Now at 166,000km and counting)

    Past rides:
    1997 Dodge Caravan Rallye (3.3L 242,000kms)
    2002 Chevrolet Cavalier (Base Model)
    1988 Ford Ranger (2.9L 2wd)
    1973 Dodge Cornet Wagon (318 cid)
    1965 Rambler Classic 550 4 dr (232 cid)
    1966 Rambler Classic 55 Wagon (232 cid)

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  3. #2
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    Have you checked your fluid level? Low fluid will definetly cause an erratic dash brake light.
    1993 Chrysler Town & Country - Dark green w/ woodgrain, tan interior with 50/50 seats, every option except AWD 210K (not mine, but borrow it a lot/maintain it)

  4. #3
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    Fluid level, you will notice this once in a while when the weather gets cold. It is already low, then when it gets colder it just goes low enough to trip the light. The light goes on and off with sloshing of the fluid, application of the brakes and the fluid getting warm (expanding), etc.

  5. #4
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    You might be on to something there. But here's something that confuses me; I blew my master cylinder twice, and not once did the brake light come on. What's up with that? I would like to think that my brake warning light would warn me of any major brake problems. (Genious design, ...or sign of more problems...?)

    I will definataly check the fluid level. Hopefully, it's nothing. I've about had enough with fixing my brakes.
    If at first you don't succeed, get a bigger hammer!!

    Current ride:
    2005 Dodge Grand Caravan SXT (3.8L, purchased at 108,000kms. Now at 166,000km and counting)

    Past rides:
    1997 Dodge Caravan Rallye (3.3L 242,000kms)
    2002 Chevrolet Cavalier (Base Model)
    1988 Ford Ranger (2.9L 2wd)
    1973 Dodge Cornet Wagon (318 cid)
    1965 Rambler Classic 550 4 dr (232 cid)
    1966 Rambler Classic 55 Wagon (232 cid)

  6. #5
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    Fluid is prolly down as the new brake lings bedded in.

    -Jim

  7. #6
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    WHEW!!! Just low fluid. Thank goodness. If I had to start monkeying with my brakes again, I think I'd just start taking the bus.
    If at first you don't succeed, get a bigger hammer!!

    Current ride:
    2005 Dodge Grand Caravan SXT (3.8L, purchased at 108,000kms. Now at 166,000km and counting)

    Past rides:
    1997 Dodge Caravan Rallye (3.3L 242,000kms)
    2002 Chevrolet Cavalier (Base Model)
    1988 Ford Ranger (2.9L 2wd)
    1973 Dodge Cornet Wagon (318 cid)
    1965 Rambler Classic 550 4 dr (232 cid)
    1966 Rambler Classic 55 Wagon (232 cid)

  8. #7
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    When your master blew it didnt trip the fluid level sensor beacuse you still had fluid and it didnt trip the perportionong valve beacuse you had a over all system pressure drop not just 1 wheel or side.

  9. #8
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    Update...

    Guess what; My brake warning light is on again. It appears that I am leaking fluid from the resevoir where it connects to the master cylinder.

    My question is: Is there any way of fixing that without removing the master cylinder. I have replaced the damned thing 3 times and I really don't want to do it again. (I doubt that there is a way around it, I just don't like the idea of doing it in -25 degree weather and I am hoping that there is another way.)
    If at first you don't succeed, get a bigger hammer!!

    Current ride:
    2005 Dodge Grand Caravan SXT (3.8L, purchased at 108,000kms. Now at 166,000km and counting)

    Past rides:
    1997 Dodge Caravan Rallye (3.3L 242,000kms)
    2002 Chevrolet Cavalier (Base Model)
    1988 Ford Ranger (2.9L 2wd)
    1973 Dodge Cornet Wagon (318 cid)
    1965 Rambler Classic 550 4 dr (232 cid)
    1966 Rambler Classic 55 Wagon (232 cid)

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