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Old 06-05-2021, 11:40 AM   #1
fdbdw
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Booster filter direction

Feel kinda dumb asking this question but there are no indicator marks on the filter. Replaced my brake booster vacuum line filter, I installed it with the 45 degree elbow on the booster side . Is that correct, are they directional or does it even matter?

Thank you
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Old 06-05-2021, 11:41 AM   #2
Willys_MB
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Re: Booster filter direction

Where did you find a filter? Or what filter are you using. I need to do this, too, but haven’t had any luck finding one locally.
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Old 06-05-2021, 12:01 PM   #3
Rich72C10
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Re: Booster filter direction

Great, another thing I didn't know I was missing... seems to be ACDelco 17056236 or DORMAN 80195.

Seems these have to be positioned vertically and in a correct direction - though haven't found the correct direction. perhaps the right/45 angle goes towards the booster?
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Old 06-05-2021, 12:03 PM   #4
Willys_MB
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Re: Booster filter direction

It’s an old corvette part. Maybe if we dig up some pics of those engines we can figure it out.
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Old 06-05-2021, 12:07 PM   #5
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Re: Booster filter direction

Here’s one pic of a 1978 engine bay I found.
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Old 06-05-2021, 12:08 PM   #6
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Re: Booster filter direction

And another
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Old 06-05-2021, 12:22 PM   #7
Willys_MB
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Re: Booster filter direction

https://www.ebay.com/itm/Delco-GM-17....m46890.l49286

Here’s the one I ordered. I was looking for a while and couldn’t find the Dorman part and I guess I never thought to use the ACDelco part number. I remember reading that this is supposed to be replaced annually, so definitely an item to add to your inspection list.
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Old 06-06-2021, 10:36 PM   #8
dmjlambert
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Re: Booster filter direction

What is the purpose of the filter?
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Old 06-06-2021, 10:45 PM   #9
Steeveedee
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Re: Booster filter direction

I've never ever had a filter in the brake booster vacuum line, on any vehicle I've owned. I can understand it's use, but still.
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Old 06-07-2021, 08:29 AM   #10
old51sedan
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Re: Booster filter direction

I also curious as I'm removing mine and getting ready to install a new booster also. Don't see any on mine.
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