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-   -   3.2 airbox questions (http://forums.pelicanparts.com/porsche-911-technical-forum/1026759-3-2-airbox-questions.html)

72T 04-15-2019 04:53 AM

3.2 airbox questions
 
The factory airbox has a hole on the backside (facing the backseats), that seems to be open on the wrong side of the air filter. Should I block it off? It looks like maybe it is a hole for a vacuum line?

Also, there are two part numbers for what appears to be the same box: 93011034300 and 93011034301. Anybody know the difference? I'm thinking about getting a new one and don't want to go wrong.

Thanks!

Porsche 935 04-15-2019 04:57 AM

Mine has a hose connected to it leading into the right wheel well area. Possibly for fuel evap.

911obgyn 04-15-2019 10:06 AM

Yes line does go to carbon canniister, for fuel evap, I had to replace mine for California emissions

adias 04-15-2019 04:44 PM

Quote:

Originally Posted by 911obgyn (Post 10427788)
Yes line does go to carbon canniister, for fuel evap, I had to replace mine for California emissions

Do you have a photo of the fuel evap and the hose running to the airbox?

How is the hose attached to airbox? Via a grommet?

Eric H 04-15-2019 07:25 PM

No photos handy but it’s connected with what I’d call a “wire clamp”. It’s a circular piece of stiff wire with ends that you can squeeze with a pliers to loosen it.

DerkPerk 04-15-2019 07:28 PM

The air box has a nipple on it that the tubing pushes over and held with said “wire” clamp. I call them Jesus clamps because when they snap, that’s usually my verbal reaction.


Sent from my iPhone using Tapatalk

adias 04-15-2019 08:16 PM

Quote:

Originally Posted by DerkPerk (Post 10428494)
The air box has a nipple on it that the tubing pushes over and held with said “wire” clamp. I call them Jesus clamps because when they snap, that’s usually my verbal reaction.


Sent from my iPhone using Tapatalk

I did not see a nipple on the airbox of my '86 3.2, just a hole at rear side near the bottom in the removable shell of the airbox. Is that the area you are referring to?

adias 04-15-2019 08:26 PM

Quote:

Originally Posted by 72T (Post 10427431)
The factory airbox has a hole on the backside (facing the backseats), that seems to be open on the wrong side of the air filter. Should I block it off? It looks like maybe it is a hole for a vacuum line?

Also, there are two part numbers for what appears to be the same box: 93011034300 and 93011034301. Anybody know the difference? I'm thinking about getting a new one and don't want to go wrong.

Thanks!

I also have a hole no nipple in the back of the removable part of my MY86 airbox. Is that the same in your case? Which year is your car?

adias 04-15-2019 08:34 PM

Quote:

Originally Posted by adias (Post 10428534)
I also have a hole no nipple in the back of the removable part of my MY86 airbox. Is that the same in your case? Which year is your car?

See photo:

http://forums.pelicanparts.com/uploa...1555389224.jpg

DerkPerk 04-16-2019 03:37 AM

3.2 airbox questions
 
The nipple I was referring to is near the red arrow on the image on the engine side of the filter. That has the hose connected with the Jesus clamp.

The hole with the green arrow is likely to drain any moisture that accumulated and is pre filter so that should not be blocked.


https://uploads.tapatalk-cdn.com/201...79cddb8324.jpg


Sent from my iPhone using Tapatalk

sp_cs 04-16-2019 05:45 AM

The 88-89 Clubsport had a bung over the nipple - there is a specific part number for this CS part.

Assuming some cars were not optioned with Charcoal canisters.

Strangely, a spare lid I had fitted before I went ITBs didn’t have the nipple at all - the moulding had not been disturbed so assuming a factory item.

adias 04-16-2019 09:18 AM

Quote:

Originally Posted by DerkPerk (Post 10428684)
The nipple I was referring to is near the red arrow on the image on the engine side of the filter. That has the hose connected with the Jesus clamp.

The hole with the green arrow is likely to drain any moisture that accumulated and is pre filter so that should not be blocked.


https://uploads.tapatalk-cdn.com/201...79cddb8324.jpg


Sent from my iPhone using Tapatalk

Thanks!

sp_cs 04-16-2019 01:33 PM

CS bung photo:
http://forums.pelicanparts.com/uploa...1555450386.jpg


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