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Old Jul 4, 2005 | 10:37 PM
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Default brake filter?

on the vacuume line to my brake booster is a small black round canister.is this a filter or a check valve ?
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Old Jul 4, 2005 | 11:39 PM
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Default Check valve....they make some nifty aluminum ones

but they don't work any better!

It should fully block flow if you blow backwards through it.
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Old Jul 4, 2005 | 11:40 PM
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It's a filter, the check valve is in the round white plastic connector which goes into the booster itself
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Old Jul 5, 2005 | 12:44 AM
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Default

I was wondering about that, is this filter necessary?
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Old Jul 5, 2005 | 05:30 AM
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Default

Yep! It's a filter. As far as necessary, who knows? GM does recommend that it be changed every 12,000 miles. I hope this helps

STW!

Platato
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Old Jul 5, 2005 | 07:36 AM
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Default I never got one!!!!

I'm gunna cry now!!!!



So this thing goes on the vacuum line before it gets to the booster?

Why would you need to filter vacuum? On the factory setup, does that line run straight to intake (or carb) vacuum or is it mixed with the line from the PCV valve? (It is on my setup now.)
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Old Jul 5, 2005 | 12:09 PM
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From: columbia city in
Default

Originally Posted by WayneLBurnham
I'm gunna cry now!!!!



So this thing goes on the vacuum line before it gets to the booster?

Why would you need to filter vacuum? On the factory setup, does that line run straight to intake (or carb) vacuum or is it mixed with the line from the PCV valve? (It is on my setup now.)
on my 82 it goes straight to intake .maybe little bits and pieces can break up in the booster .not shure why they would put a filter there.
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Old Jul 10, 2005 | 06:58 PM
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From: columbia city in
Default inline brake filter

i bought a new inline brake filter .i did a vac test on it a slight leak.i did not know what it was for .on the back it said it was to prevent harmfull gases getting back to the power brake unit .i cut it in half it looked like charcoal .
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Old Jul 10, 2005 | 07:02 PM
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i don't think you're filtering vacuum...more likely the other way around so if the brake booster diaphram goes south it doesn't get sucked into the engine....
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Old Jul 10, 2005 | 10:26 PM
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From: columbia city in
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i dont know .i was just reading the back of the package.maybe it works after the motor is shut down ,and prevents gasses going into the booster .it also says to change often .first one for me .
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