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What is it and were does it go? by str8maxn
Started on: 10-17-2020 04:19 PM
Replies: 9 (175 views)
Last post by: str8maxn on 10-19-2020 12:20 AM
str8maxn
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Report this Post10-17-2020 04:19 PM Click Here to See the Profile for str8maxnSend a Private Message to str8maxnEdit/Delete MessageReply w/QuoteDirect Link to This Post
Hello all,

While reading a post about " Modern Brake upgrade" I was made aware of changing the check valve and booster filter may help with braking.
So, I ran out to my 1986 GT V6 to try to find these items. I was able to locate the Check Valve on the brake booster so I set out to find the Booster filter ...
From the post I read ; I was to follow the line (metal) coming from plenum on the throttle body back.. Mine looks like it terminates on the valve cover near the fire wall.
Does this mean my 86 doesn't have an inline booster filter or am I looking in the wrong place?

While looking for the booster filter; I found the following hose and have no idea what it is or where it should terminate.
I followed the line from open hose down the firewall to the air filter can from what I can tell.
Can you guys help identify it and tell me where to plug in the hose?




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fierosound
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Report this Post10-17-2020 04:59 PM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundEdit/Delete MessageReply w/QuoteDirect Link to This Post
Redundant after recall work...
http://www.fiero.nl/forum/Forum9/HTML/000032.html

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Patrick
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Report this Post10-17-2020 05:14 PM Click Here to See the Profile for PatrickClick Here to Email PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post

Make sure that tube is either plugged at the end, or disconnected from the air filter canister and that hole then plugged. Otherwise, unfiltered engine bay air is continually being sucked into the filtered side of the air filter assembly/intake.
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str8maxn
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Report this Post10-17-2020 06:12 PM Click Here to See the Profile for str8maxnSend a Private Message to str8maxnEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thank you very much... That solves it.. I have capped it off.

Now to find the elusive Booster filter. Is it safe to say that some fiero may not have it?
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fierosound
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Report this Post10-17-2020 06:45 PM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by str8maxn:

Now to find the elusive Booster filter. Is it safe to say that some fiero may not have it?


On the firewall. Not used in later years, but not sure when they stopped.

[This message has been edited by fierosound (edited 10-17-2020).]

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str8maxn
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Report this Post10-17-2020 07:08 PM Click Here to See the Profile for str8maxnSend a Private Message to str8maxnEdit/Delete MessageReply w/QuoteDirect Link to This Post
FIEROSOUND>>> Thank you .. I think I found it but confirmation would be appreciated
Picture was taken from the drives side looking towards the firewall.


[This message has been edited by str8maxn (edited 10-17-2020).]

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theogre
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Report this Post10-17-2020 10:26 PM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by fierosound:
On the firewall. Not used in later years, but not sure when they stopped.
Yes for 84-86 Fiero. Gone 87-88 Fiero that have bigger booster vac hoses and tubes.

Replacing the filter w/ Dorman et al plastic is not good. More so w/ V6 w/ exhaust parts close to and can melt it.
If old is plugged, Could try cleaning old one but not sure just how is safe.

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fierosound
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Report this Post10-17-2020 11:30 PM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by str8maxn:

FIEROSOUND>>> Thank you .. I think I found it but confirmation would be appreciated
Picture was taken from the drives side looking towards the firewall.



Yup. Hose from tube under manifold to tube going through firewall.

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Blacktree
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Report this Post10-18-2020 07:38 PM Click Here to See the Profile for BlacktreeClick Here to visit Blacktree's HomePageClick Here to Email BlacktreeSend a Private Message to BlacktreeEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by str8maxn:

FIEROSOUND>>> Thank you .. I think I found it but confirmation would be appreciated
Picture was taken from the drives side looking towards the firewall.

https://i.postimg.cc/s2xs7RFX/booster-filter.jpg

Yeah, that's it.

I deleted that thing, replaced it with a hose fitting.
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str8maxn
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Report this Post10-19-2020 12:20 AM Click Here to See the Profile for str8maxnSend a Private Message to str8maxnEdit/Delete MessageReply w/QuoteDirect Link to This Post
Is deleting the filter the preferred method or new filter?
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