dash brake warning light

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by bowtie4466, Mar 28, 2001.

  1. bowtie4466

    bowtie4466 Registered Member

    Apr 30, 2000
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    whenever I am on a long trip or am driving at 45mph or over and come to a quick stop, my brake warning light comes on. My brake pads and shoes are fairly new, fluid is full and the truck stops just like it always has. Any suggestions?
  2. Burt4x4

    Burt4x4 3/4 ton status

    Feb 17, 2000
    Likes Received:
    California (Modesto area)
    When you brake and come to a stop if you don't release the brake pedel will it slowly make it's way to the floor? If it does your master cylinder needs to be replaced.
    I too had the red light problem but my brake system all checked out???So I wanted to drain the flid and try bench bleeding the master cylinder. When I started removing the brake fluid from the master I saw something in the fluid. It was a complete silver top that you peel off the top of the brakefluid bottle top. I took it out and refilled the fluid and no more red light problem. My guess is that the silver top was floating around untill I applied the breaks and then the top blocked off the outlet causing low pressuer light to come on.
    Good Luck

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <A target="_blank" HREF=http://www.burt4x4.coloradok5.com>http://www.burt4x4.coloradok5.com</A>

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