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Brake Booster Filter

Discussion in 'The Garage' started by ntx78k5, Sep 21, 2005.

  1. ntx78k5

    ntx78k5 1/2 ton status

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    Just dropped on a new carb last night and have to do some plumbing tonight. I have this inline filter of sorts on a vacume hose to the power brake booster? What is it and is it easily available. Also, do I need it?

    Also looking for a inline fuel filter for the new carb. Any suggestions?
     
  2. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    Autozone has them , the brake filter thinga .
     
  3. 4wheelattitude

    4wheelattitude 1/2 ton status

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    Why have the filter on that hose? Just wondering. I can't think of a good reason?
     
  4. BigOrange90Jimmy

    BigOrange90Jimmy 1/2 ton status Premium Member

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    GM put in on there to give you a false diagnosis. :haha: I thought my booster was bad, so I replaced it thinking it was the culprit. Negative, ghostrider. It was that little filter. It had stopped up and was not allowing vacuum buildup.
     
  5. diesel4me

    diesel4me 1 ton status Premium Member

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    keeps fumes out...

    GM started putting those charcoal canister filters on the brake boosters vacuum hose around 73 or so--they absorb oil and gas fumes from the crankcase and they keep the fumes from rotting the diaphram in the booster out prematurely...as noted,they do sometimes clog up and cut or reduce the vacuum to the booster sometimes.....

    I had a truck I thought the booster was junk on,but it turned out to be someone used cheap gas line instead of genuine power brake hose (which has MUCH stiffer walls than gas line)--the fuel line is too squishy and collapses shut instead of letting the vacuum go thru..same thing happens when you use gas line on a PVC valve too--it often renders it inoperative because it collapses,and gets no vacuum! :doah: :crazy:
     
  6. ntx78k5

    ntx78k5 1/2 ton status

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    So I guess I should use power brake hose and not fuel line as I had planned.
     

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