How To: Evap + Charcoal Canister removal

kmook · 08-11-2013, 09:29 PM

Hi,
So if you are like me you like to clean stuff up as much as possible and are always tinkering. I've always removed the evap parts in the engine bay on my subies but decided to remove the charcoal canister system as well this time. I took pics in case anyone else would like to do this. (Note there is no performance gain, i am not responsible if this damages your vehicle in any way, this is for appearance and simplifying things, and you will of course have to have your tuner delete codes)

Engine bay clean up:

Remove all parts marked as red:

Which are these parts:

Afterwards cap both items marked A.
Item B can be capped or left vented, doesn't matter. (In my pic I don't have the A port on the right side capped as I'm using it for a vacuum source for a 3bar map, otherwise id have it capped):

Rear end cleanup:

Remove all parts marked as red:

Which are these parts:

Afterwards we will put a breather on A as it needs to be vented since it goes to the gas tank (breather is just to be cautious and not let anything go in). B can be cut shorter and left alone as it goes to B in the engine bay. C is left vented as that is for the fuel filler overflow. D is the harness which you just zip tie up.

After looks nice and cleaned up:

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projectQWKSLVR · 08-11-2013, 10:42 PM

Nice write up, just needs a disclaimer.

kmook · 08-11-2013, 10:48 PM

Thanks, and added that

recce02 · 08-12-2013, 12:46 AM

Great write up! Been wanting to do this to my car. Quick question. Would I be able to just remove the canister and leave all the engine bay stuff intact? I run a stand alone and am not sure if it would be any different.
Thanks

kmook · 08-12-2013, 12:49 AM

Quote:

Originally Posted by recce02

Great write up! Been wanting to do this to my car. Quick question. Would I be able to just remove the canister and leave all the engine bay stuff intact? I run a stand alone and am not sure if it would be any different.
Thanks

Yeh you can just do the engine bay half, the rear half, or both.

recce02 · 08-12-2013, 01:13 AM

Awesome! And thanks again for the write up.

StuartR · 04-20-2014, 11:41 PM

pulled mine out today, went really smoothly.

I was having an issue with fuel ups, the system would pressurize and keep tripping the pump nozzle, would take 15 minutes to get a full tank. After this that problem has gone away. Now all I need to do if find a way to permanently clear the code...

Blackcloud556 · 04-23-2014, 02:17 PM

Nice. Ill have to look into yanking mine out..

THanks!

kmook · 04-23-2014, 07:47 PM

You're welcome, Glad you found it useful

wrxguy90 · 05-10-2014, 05:59 PM

This is awesome! great write up this is exactly the information i was looking for. thanks

Ben · 05-14-2014, 01:35 PM

Whats the advantage and disavantage for remove those parts away from the car?

kmook · 05-14-2014, 02:17 PM

Quote:

Originally Posted by Ben

Whats the advantage and disavantage for remove those parts away from the car?

Advantages are cosmetic and weight.
Disadvantages non that i'm aware of.

kmook · 05-14-2014, 02:18 PM

Quote:

Originally Posted by wrxguy90

This is awesome! great write up this is exactly the information i was looking for. thanks

You're welcome

Ben · 05-14-2014, 08:18 PM

Will it affect any check engine light code for the engine?

Ben

brew02wrx · 05-14-2014, 09:47 PM

yes you will have a check engine light for multiple codes concerning the evap system if you do this. The only downside is that you'll be a much bigger polluter so if you are required to pass emissions i would not suggest doing this just yet.

Ben · 05-14-2014, 10:46 PM

Thanks for all your advise.

Ben

Cefaln452 · 05-14-2014, 11:21 PM

Wonder if there are any cons to this.

sub9lulu · 10-14-2014, 10:55 AM

I just capped all 4 circled, and delete the codes
Anything else ?

kmook · 10-14-2014, 11:23 AM

Quote:

Originally Posted by sub9lulu

I just capped all 4 circled, and delete the codes
Anything else ?

That is all, i've always kept the bottom pipe vented to atmo, but it might be fine capped.

prettyinpink · 02-15-2015, 06:25 PM

Thank you for this write up! Really helped me out. I would just like to add to anyone who is wondering, the breather can be any 1/2 inch breather that you could pick up at a pep boys or autozone.

kmook · 02-15-2015, 06:30 PM

Quote:

Originally Posted by prettyinpink

Thank you for this write up! Really helped me out. I would just like to add to anyone who is wondering, the breather can be any 1/2 inch breather that you could pick up at a pep boys or autozone.

You're very welcome, glad you liked it!

bue car · 02-26-2015, 11:44 PM

Yes, thanks!

sackytar · 04-26-2015, 09:12 PM

What size is that breather????

musicmankeb · 04-27-2015, 10:29 PM

If you disable the codes via accessport will you then pass inspection/emissions?

rjp4419 · 04-27-2015, 10:49 PM

Some of the EVAP codes dont show up with the accessport. Youll need and actual code scanner.

08-11-2013, 09:29 PM	#1
kmook Scooby Specialist Member#: 146168 Join Date: Apr 2007 Location: South Florida Vehicle: 2017 Impreza	Kmook's How To: Evap + Charcoal Canister removal Hi, So if you are like me you like to clean stuff up as much as possible and are always tinkering. I've always removed the evap parts in the engine bay on my subies but decided to remove the charcoal canister system as well this time. I took pics in case anyone else would like to do this. (Note there is no performance gain, i am not responsible if this damages your vehicle in any way, this is for appearance and simplifying things, and you will of course have to have your tuner delete codes) Engine bay clean up: Remove all parts marked as red: Which are these parts: Afterwards cap both items marked A. Item B can be capped or left vented, doesn't matter. (In my pic I don't have the A port on the right side capped as I'm using it for a vacuum source for a 3bar map, otherwise id have it capped): Rear end cleanup: Remove all parts marked as red: Which are these parts: Afterwards we will put a breather on A as it needs to be vented since it goes to the gas tank (breather is just to be cautious and not let anything go in). B can be cut shorter and left alone as it goes to B in the engine bay. C is left vented as that is for the fuel filler overflow. D is the harness which you just zip tie up. After looks nice and cleaned up: * Registered users of the site do not see these ads. Last edited by kmook; 09-28-2019 at 11:56 PM.

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08-11-2013, 10:42 PM	#2
projectQWKSLVR Scooby Specialist Member#: 285270 Join Date: Jun 2011 Chapter/Region: NESIC Vehicle: 03 WRX PSM	Nice write up, just needs a disclaimer.

08-11-2013, 10:48 PM	#3
kmook Scooby Specialist Member#: 146168 Join Date: Apr 2007 Location: South Florida Vehicle: 2017 Impreza	Thanks, and added that

08-12-2013, 12:46 AM	#4
recce02 Scooby Specialist Member#: 13815 Join Date: Jan 2002 Chapter/Region: SCIC Location: Good ol Temecula Vehicle: 02 GCRally prepped 277TQ 281HP 19PSI	Great write up! Been wanting to do this to my car. Quick question. Would I be able to just remove the canister and leave all the engine bay stuff intact? I run a stand alone and am not sure if it would be any different. Thanks

08-12-2013, 01:13 AM	#6
recce02 Scooby Specialist Member#: 13815 Join Date: Jan 2002 Chapter/Region: SCIC Location: Good ol Temecula Vehicle: 02 GCRally prepped 277TQ 281HP 19PSI	Awesome! And thanks again for the write up.

04-20-2014, 11:41 PM	#7
StuartR Scooby Newbie Member#: 373039 Join Date: Nov 2013 Location: Minneapolis, MN	pulled mine out today, went really smoothly. I was having an issue with fuel ups, the system would pressurize and keep tripping the pump nozzle, would take 15 minutes to get a full tank. After this that problem has gone away. Now all I need to do if find a way to permanently clear the code...

04-23-2014, 02:17 PM	#8
Blackcloud556 Scooby Newbie Member#: 337190 Join Date: Nov 2012 Location: Coeur D'Alene Idaho	Nice. Ill have to look into yanking mine out.. THanks!

04-23-2014, 07:47 PM	#9
kmook Scooby Specialist Member#: 146168 Join Date: Apr 2007 Location: South Florida Vehicle: 2017 Impreza	You're welcome, Glad you found it useful

05-10-2014, 05:59 PM	#10
wrxguy90 Scooby Newbie Member#: 390443 Join Date: May 2014	This is awesome! great write up this is exactly the information i was looking for. thanks

05-14-2014, 01:35 PM	#11
Ben Scooby Newbie Member#: 423 Join Date: Oct 1999 Chapter/Region: E. Canada Location: Markham, Ont , Canada Vehicle: 2002 WRX wagon Silver	Whats the advantage and disavantage for remove those parts away from the car?

05-14-2014, 08:18 PM	#14
Ben Scooby Newbie Member#: 423 Join Date: Oct 1999 Chapter/Region: E. Canada Location: Markham, Ont , Canada Vehicle: 2002 WRX wagon Silver	Will it affect any check engine light code for the engine? Ben

05-14-2014, 09:47 PM	#15
brew02wrx Scooby Specialist Member#: 259970 Join Date: Oct 2010 Chapter/Region: Tri-State Location: brewster, NY Vehicle: 2002 wrx cobb stg2+ psm proper fitment	yes you will have a check engine light for multiple codes concerning the evap system if you do this. The only downside is that you'll be a much bigger polluter so if you are required to pass emissions i would not suggest doing this just yet.

05-14-2014, 10:46 PM	#16
Ben Scooby Newbie Member#: 423 Join Date: Oct 1999 Chapter/Region: E. Canada Location: Markham, Ont , Canada Vehicle: 2002 WRX wagon Silver	Thanks for all your advise. Ben

05-14-2014, 11:21 PM	#17
Cefaln452 Scooby Specialist Member#: 255736 Join Date: Aug 2010 Chapter/Region: MWSOC Location: Cincinnati Vehicle: 2004 STi JavaBlackPearl	Wonder if there are any cons to this.

10-14-2014, 10:55 AM	#18
sub9lulu Scooby Specialist Member#: 36946 Join Date: May 2003 Location: CFL	I just capped all 4 circled, and delete the codes Anything else ?

02-15-2015, 06:25 PM	#20
prettyinpink Scooby Newbie Member#: 260109 Join Date: Oct 2010 Chapter/Region: MWSOC Location: Readlyn IOWA Vehicle: 2005 Impreza WRX STi aspen white	Thank you for this write up! Really helped me out. I would just like to add to anyone who is wondering, the breather can be any 1/2 inch breather that you could pick up at a pep boys or autozone.

02-26-2015, 11:44 PM	#22
bue car Scooby Guru Member#: 176134 Join Date: Mar 2008 Chapter/Region: SCIC Location: Torrance, CA 90503 Vehicle: 1995 Coupe, Sedan & Wagon!	Yes, thanks!

04-26-2015, 09:12 PM	#23
sackytar Scooby Guru Member#: 149262 Join Date: May 2007 Chapter/Region: MWSOC Location: Grand Rapids MI Vehicle: 03WR rallycarFXTleg PrimerGrey	What size is that breather????

04-27-2015, 10:29 PM	#24
musicmankeb Scooby Newbie Member#: 411003 Join Date: Jan 2015	If you disable the codes via accessport will you then pass inspection/emissions?

04-27-2015, 10:49 PM	#25
rjp4419 Scooby Specialist Member#: 292796 Join Date: Aug 2011 Chapter/Region: MAIC Location: Pittsburgh Vehicle: 2021 F250	Some of the EVAP codes dont show up with the accessport. Youll need and actual code scanner.