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Brake booster check valve. 200 1990

posted by  chup on  Thu May 30 17:23 CST 2013
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last visit: Tue Sep 9 14:02 CST 2014
[RELATED]

Am I supposed to have a brake booster check valve installed between the vacuum hose and the booster? Never did.
What exactly is its function?
Thanks.








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    Brake booster check valve. 200 1990

    posted by  wharfrat on  Thu May 30 17:36 CST 2013
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    last visit: Wed Sep 25 16:50 CST 2013
    [RELATED]

    The check valve is located in the plastic fitting which attaches the hose to the booster. Its purpose is to prevent loss of vacuum boost to the brakes in case of engine stalling. There should be enough reserve for several full applications of the brakes.








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      Brake booster check valve. 200 1990

      posted by  aleekat on  Thu May 30 20:35 CST 2013
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      last visit: Fri Oct 24 13:19 CST 2014
      [RELATED]

      If you hit your brakes sitting still at idle, and your idle changes, you have a leak. Hose or valve.
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