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Old 07-10-2012, 07:09 PM   #76
IA Performance
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The nipple furthest from the electrical plug goes directly to the intake manifold. The other nipple goes to the metal line under the intake manifold that ultimately goes to the firewall and all the way back to the tank area.

Stephen
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Old 07-11-2012, 03:50 PM   #77
scootarida1
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Okay I think that might be the problem if I understand correctly. Here is how I had it hooked up and was getting the cel.




SO your saying to hook it up like this then?

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Old 07-11-2012, 04:19 PM   #78
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2nd way is correct. Did you fabricate coolant tank or was it a moroso universal?
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Old 07-11-2012, 04:25 PM   #79
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alright thanks and i fabricated it to for where i located the turbo
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Old 07-18-2012, 02:15 PM   #80
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I think there's a bit of confusion about what nipple on the solenoid goes to what. Maybe it's different on cars.

This is how my MY06 WRX is setup.

Quote:
Originally Posted by jdeyo6 View Post

Here is how my car is setup from the factory.

The bottom nipple feeds to the T-fitting, evap pipe and purge valve and the top nipple feeds directly and only to the intake manifold.

I'm guessing I should keep this configuration when I do the delete?

___

Man, I'm glad I came across this thread. My purge valve is dry rotted and the local dealer gets $50 for them! SubaruGenuineParts gets $27.
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Old 07-18-2012, 03:18 PM   #81
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I'm missing my purge valve solenoid. Would this cause my car to pump gas really slow? I'm thinking I need to fix it.
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Old 07-18-2012, 07:43 PM   #82
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My 05 was same as yours..


Quote:
Originally Posted by Keif View Post
I think there's a bit of confusion about what nipple on the solenoid goes to what. Maybe it's different on cars.

This is how my MY06 WRX is setup.



The bottom nipple feeds to the T-fitting, evap pipe and purge valve and the top nipple feeds directly and only to the intake manifold.

I'm guessing I should keep this configuration when I do the delete?

___

Man, I'm glad I came across this thread. My purge valve is dry rotted and the local dealer gets $50 for them! SubaruGenuineParts gets $27.
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Old 07-18-2012, 10:27 PM   #83
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I noticed there's a directional arrow on the solenoid and there's a diagram on the hood for the purge system, if anyone gets confused.

__

I was able to get it sorted today. I was hoping to find a bolt for the nipple on the manifold but had no luck. I even tried a big industrial fastener place.

The thread pitch is 0.90mm and I believe the diameter is 8mm? Might be able to get it online.

But Autozone had some nice nipple caps.



Good stuff. Happy to clean up the engine bay a bit and remove something that could cause issues.
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Old 07-20-2012, 10:15 PM   #84
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Quote:
Originally Posted by Keif View Post
I noticed there's a directional arrow on the solenoid and there's a diagram on the hood for the purge system, if anyone gets confused.

__

I was able to get it sorted today. I was hoping to find a bolt for the nipple on the manifold but had no luck. I even tried a big industrial fastener place.

The thread pitch is 0.90mm and I believe the diameter is 8mm? Might be able to get it online.

But Autozone had some nice nipple caps.



Good stuff. Happy to clean up the engine bay a bit and remove something that could cause issues.
I believe the thread pitch is 1/8 NPT thread. Also how did you route the hoses based on the arrow?
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Old 07-21-2012, 11:00 PM   #85
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Quote:
Originally Posted by IA Performance View Post
2nd way is correct. Did you fabricate coolant tank or was it a moroso universal?
are you sure? in your pictures the stock setup has the nipple closest to the plug going to the manifold and the nipple furthest away going under the manifold.



why would they be switched when deleting everything?
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Old 07-21-2012, 11:51 PM   #86
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Quote:
Originally Posted by scootarida1 View Post
I believe the thread pitch is 1/8 NPT thread. Also how did you route the hoses based on the arrow?
I actually have a thread measuring tool, it's 0.90mm.

The flow is from the evap pipe to the intake manifold/purge valve. So evap pipe goes to the nipple with the arrow.

Quote:
Originally Posted by scootarida1 View Post
are you sure? in your pictures the stock setup has the nipple closest to the plug going to the manifold and the nipple furthest away going under the manifold.



why would they be switched when deleting everything?
That is the post that was confusing me too. I don't see any reason for swapping them so maybe he just made a mistake.

__

So I ran this "re-routing" by Matt at 555 Motor Sports (he's my tuner) and he suggested to remove the solenoid all together and vent the evap pipe to atmosphere. He said there are start up issues when routed like the JDM cars.
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Old 07-22-2012, 12:48 AM   #87
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Actually, you may be right. Wiki says 1/8 NPT thread pitch is 0.94mm. It did look like it was tapered too.
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Old 07-22-2012, 10:22 AM   #88
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Quote:
Originally Posted by Keif View Post
Actually, you may be right. Wiki says 1/8 NPT thread pitch is 0.94mm. It did look like it was tapered too.
Yah I used a 1/8 NPT plug and it seems to be working fine. So did you just add some extra hose so it reached under the car with it vented?
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Old 07-22-2012, 02:53 PM   #89
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Cool, I'll try that.

Well it's just vapor. The only problem I could see, if you don't run a hose underneath, is maybe some fuel smell in the cabin. I just sent Matt an email about that. I'll let you know what he says.
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Old 07-22-2012, 05:10 PM   #90
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Quote:
Originally Posted by Keif View Post
Cool, I'll try that.

Well it's just vapor. The only problem I could see, if you don't run a hose underneath, is maybe some fuel smell in the cabin. I just sent Matt an email about that. I'll let you know what he says.
Sounds good. I'm sure a CEL will be thrown without the solenoid but that wouldn't be difficult to turn off.
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Old 07-22-2012, 07:29 PM   #91
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Ok, Matt said he doesn't get any fuel odors with his car and that it will cause a CEL but it can be disabled.
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Old 07-23-2012, 08:33 AM   #92
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Does anyone have the part number to that black connector thats circled in the pictures? I snapped mines yesterday and need the a replacement one. Couldn't find anything close to matching at the local parts store, so will need to purchase it directly from Subaru...

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Old 07-24-2012, 06:22 PM   #93
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Quote:
Originally Posted by 3k1n View Post
Does anyone have the part number to that black connector thats circled in the pictures? I snapped mines yesterday and need the a replacement one. Couldn't find anything close to matching at the local parts store, so will need to purchase it directly from Subaru...

I can't remember if that is straight through or not but maybe lowes or homedepot will have them in the plumbing section
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Old 07-24-2012, 09:50 PM   #94
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You can find the part number here

http://opposedforces.com/
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Old 08-06-2012, 10:03 AM   #95
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Quote:
Originally Posted by IA Performance View Post
Here is another option, it is free and avoids the hassle of the hoses coming off in the future. This is how the JDM ver7/8 STi cars are setup. We have lots of customer cars running this configuration without any CELs or negative side affects.

will it work if you delete the solenoid and just leave the evap line to vent to atmosphere?
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Old 08-06-2012, 06:44 PM   #96
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I think that is what Keif said his tuner did. Im sure you will throw a Cel by doing that but you can probably just turn it off
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Old 08-13-2012, 06:04 PM   #97
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Quote:
Originally Posted by 3k1n View Post
Does anyone have the part number to that black connector thats circled in the pictures? I snapped mines yesterday and need the a replacement one. Couldn't find anything close to matching at the local parts store, so will need to purchase it directly from Subaru...



This is the part number for the new hose assembly with the black plastic connector you are looking for. It's not that much to replace all the hoses and connectors
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Old 08-13-2012, 06:09 PM   #98
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Quote:
Originally Posted by IA Performance View Post
The nipple furthest from the electrical plug goes directly to the intake manifold. The other nipple goes to the metal line under the intake manifold that ultimately goes to the firewall and all the way back to the tank area.

Stephen
Mine was hooked up with the nipple closest to the plug going to the Manifold, I showed it in my pictures. Not sure why it's the opposite on others but mine is an 05 STI
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Old 08-21-2012, 04:01 PM   #99
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i broke the nipple closer to the plug side. what do i do about removing this setup an plugging lines. just connect outer nipple to intake manifold right an can i just leave the broken one vent
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Old 08-21-2012, 08:24 PM   #100
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808_wrx - my advise is to fix it properly with a new/used unit. It's simple, pay for your mistake and move on.

If you have zero dollars then remove the solenoid and try to JB weld it in place, but I can guarantee it will break over time. Leaving anything open to vent to atmosphere will harm the motor and kill your HP and most certainly result in a CEL.

Stephen
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