What is this mystery item in my engine bay?

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Old Feb 2, 2003 | 12:56 PM
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Default What is this mystery item in my engine bay?

Well I decided since my AC doesn't work for **** I would take out the annoying lines. So I got some sweet locking wrenches at sears and came back. I got the lines out but had to remove this black cylinder. Not a big deal. But I was wondering what it was? It says PCV on this one part so I take it this is the Positive Crankcase Ventilation thing? Can anyone tell me what it does really. I heard it helps to replace it or some parts of it cuz they wear out. So just some info would be cool, thanks...





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Old Feb 2, 2003 | 01:02 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

Its for emisions thats all i know
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Old Feb 2, 2003 | 01:03 PM
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Default Re: What is this mystery item in my engine bay? (Bryant)

i believe thats your charcoal canister
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Old Feb 2, 2003 | 01:11 PM
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Default Re: What is this mystery item in my engine bay? (limoZeen)

Yep, that's your charcol canister. When I bought my civic, it was missing, so I had to buy another ******* one. But I got one that had like 35k miles on it for dirt cheap
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Old Feb 2, 2003 | 01:16 PM
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Default Re: What is this mystery item in my engine bay?

What does it do? The tubes/wires going into it look insulated so I thought they had to do with the electrical system or something.
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Old Feb 2, 2003 | 01:19 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

absorbs fuel vapors etc
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Old Feb 2, 2003 | 01:28 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

I removed mine. You just have to reroute the Vacuum lines. I've never had a problem without it.
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Old Feb 2, 2003 | 01:32 PM
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Default Re: What is this mystery item in my engine bay? (limoZeen)

i believe thats your charcoal canister
gotcha!
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Old Feb 2, 2003 | 01:56 PM
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Default Re: What is this mystery item in my engine bay? (kranked91dx)

cars today have a sealed gasket tank. as opposed to a vented tank. when the tank gets warm the gas vapors expand and need to be vented. but its not friendly to the environment to have the hydrocarbons(HC) released in the air. so the charcoal cansister is a storage tank for the HC until you start up your car. then vacuum from the intake manifold sucks out the HC vapors and burns them in the engine. it does not hurt engine performance. just might like 1 pound to your car.
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Old Feb 2, 2003 | 02:11 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

What does it do? The tubes/wires going into it look insulated so I thought they had to do with the electrical system or something.
its all operated off of vacuum. i dont think that there are any electrical components involved with the charcoal canister. its just a simple, vacuum operated emissions deal. the car should run fine with or without it.
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Old Feb 2, 2003 | 03:34 PM
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Default Re: What is this mystery item in my engine bay?

I don't plan to take it out. But I mean if I can not kill the environment then leave it in. Plus it will help when emissions time rolls around.
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Old Feb 2, 2003 | 05:39 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

well I hope that your AC system was drained cause freon kills the environment hella faster...
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Old Feb 2, 2003 | 07:07 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

Yea thats for emissions, what it does is through a hose from the gas tank(the red one not braided)feeds the canister fuel tank vapors which are stored in the canister and when you are cruising on the highway the ecu tells the evap purge canister solenoid to open which allows vacum to the small black hose (on top of can) to open the valve (on top) which feeds the throttle body through the red hose(the braided one) and reburns excess fuel tank vapors stored in the can for for efficient fuel usage.

Mike Lindquist A+ Foreign
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Old Feb 2, 2003 | 07:31 PM
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Default Re: What is this mystery item in my engine bay? (CRX Si)

It leaked all out long long ago.
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Old Feb 2, 2003 | 07:50 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

did that help ya?????????


Mike lindquist A+ foreign
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Old Feb 2, 2003 | 08:26 PM
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Default Re: What is this mystery item in my engine bay? (bearsEK)

Did what help me?
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Old Feb 2, 2003 | 08:36 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

nice topic. i always knew what it was called, but never knew its purpose or how it worked. for the Q & A
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Old Feb 3, 2003 | 12:31 PM
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Default Re: What is this mystery item in my engine bay? (FourthGenHatch)

sorry man i (bearsek) posted under 95cx my friend that posts from my computer sometimes and i posted under his name by accident so what i meant was did the explaination of the evap purge canister help you.(bearsek)


[B]Mike lindquist A+ ForeignB]
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Old Feb 3, 2003 | 01:04 PM
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Default Re: What is this mystery item in my engine bay? (95cx)

word to the wise: several states have emissions laws that require the presence of a charcoal canister, so if you have removed yours, be prepared to re-install it when it comes time for emissions. for you lazy people, simply attaching the canister with a couple blind hoses usually works just fine.
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Old Feb 3, 2003 | 01:09 PM
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Default Re: What is this mystery item in my engine bay? (RexB16)

FYI, that spot makes a GREAT place for a moroso catch can kit

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Old Feb 3, 2003 | 10:34 PM
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Default Re: What is this mystery item in my engine bay? (SiR Kid)

FYI, that spot makes a GREAT place for a moroso catch can kit

Holy hell that engine looks scary!
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Old Feb 3, 2003 | 11:00 PM
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Default Re: What is this mystery item in my engine bay? (ThE bEe GuY)

You think that engine bay looks scary? EHHE! Wait till you see my crx's engine bay

STroked 2.0 b16 block/gsr head
T4 Turbo
Liquid to Air intercooler
STR intake manifold 75mm bbk tb and a rps turbo manifold only 4 made in the world. Who has that engine builders book honda. My setup looks just like the one on the front cover.
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Old Feb 4, 2003 | 09:05 AM
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Default Re: What is this mystery item in my engine bay? (RexB16)

so how do you go about removing it?
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Old Feb 4, 2003 | 09:13 AM
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Default Re: What is this mystery item in my engine bay? (martini)

Very carefully.... one piece at a time.

I was actually about to remove my turbo manidolf recently without removing the DP, or the turbo, or the engine from my car. It was a neat trick, really.
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Old Feb 4, 2003 | 08:23 PM
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Default Re: What is this mystery item in my engine bay? (SiR Kid)

I meant, how do you go about eliminating the carcoal canister.
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