second hose on master cylinder reservoir?
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, second hose on master cylinder reservoir? in Cadillac Escalade Forums; Could anyone tell me that the big black hose running from the front if the master cylinder fluid reservoir goes ...
  1. #1
    YoshiMan's Avatar
    YoshiMan is offline Cadillac Owners Fanatic
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    second hose on master cylinder reservoir?

    Could anyone tell me that the big black hose running from the front if the master cylinder fluid reservoir goes to? It looks like an accumulator for the stabilitrak or something, but my main question is that I'm doing a brake system flush and im curious on how to flush that as well?

    The factory service manual doesn't mention anything else other than the 4 wheel valves in the "brake flush" section. Thanks!

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    the cadillac man's Avatar
    the cadillac man is online now Cadillac Owners Master
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    Quote Originally Posted by YoshiMan
    Could anyone tell me that the big black hose running from the front if the master cylinder fluid reservoir goes to? It looks like an accumulator for the stabilitrak or something, but my main question is that I'm doing a brake system flush and im curious on how to flush that as well?

    The factory service manual doesn't mention anything else other than the 4 wheel valves in the "brake flush" section. Thanks!
    There is a feed line and a return line for brake booster from the power steering pump

  4. #3
    YoshiMan's Avatar
    YoshiMan is offline Cadillac Owners Fanatic
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    Disregard, i found it once i got home and looked in the book. Its called the precharge pump and it is part of the ABS/TRAC system, and i imagine it will flush clean fluid through itself once its all been changed

  5. #4
    the cadillac man's Avatar
    the cadillac man is online now Cadillac Owners Master
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    Quote Originally Posted by YoshiMan
    Disregard, i found it once i got home and looked in the book. Its called the precharge pump and it is part of the ABS/TRAC system, and i imagine it will flush clean fluid through itself once its all been changed
    Oh ok I figured it had to go somwhere
    It will flush itself once the fluid has been changed

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