S2000 Under The Hood S2000 Technical and Mechanical discussions.

Catch can smoke?

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Old Oct 11, 2012 | 03:40 PM
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Default Catch can smoke?

I just installed my baffled catch can today. It has a breather on it. I have the hoses ran from crank case breather to catch can to pcv( pvc is replaced with a fitting). I started the car today and noticed some smoke coming from it at idle. I didn't get a chance to drive the car yet. It has a gasy smell to it. Any idea if this is bad or what not?
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Old Oct 11, 2012 | 03:57 PM
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When my Integra did that it had a blown ring landing
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Old Oct 11, 2012 | 05:11 PM
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I have the hoses ran crank case vent to catch can to pcv( pvc is replaced with a fitting).
What does this mean? What are you calling the "crank case vent"? The only thing on the valve cover that is the crank case vent is the hole the PCV valve plugs into. (IE, the "crank case vent" and the PCV is the same thing.) The other hole in the valve cover is the front breather that normally is connected by a hose to the air intake pipe. This is not the crank case vent, if that's what you're talking about.
Describe exactly from where to where to where you've got hoses running in this set-up.
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Old Oct 11, 2012 | 05:15 PM
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Sorry that's what I meant. Crank case breather to catch can to pcv(Pcv replaced with fitting).
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Old Oct 11, 2012 | 05:36 PM
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Originally Posted by jordannn93
Sorry that's what I meant. Crank case breather to catch can to pcv(Pcv replaced with fitting).
That should work. You've got an "open" catch can system (breather filter open to atmosphere on catch can). You basically took both lines and fed it into the catch can. Did you use a "Y" or did the catch can have 2 inlets? An "open" catch can usually only has one. Did you plug the hole in the air intake pipe? What did you do with the opening into the intake manifold that used to connect to the PCV valve? You got a picture of the catch can? Here's mine. As you can see, it has only one inlet. No smoke.
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Old Oct 11, 2012 | 05:48 PM
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Here it is. Two openings. Have two hoses running to it no y.

I capped the intake manifold and intake pipe.
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Old Oct 11, 2012 | 05:49 PM
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And your picture isn't loading for me
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Old Oct 11, 2012 | 06:29 PM
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Originally Posted by jordannn93
And your picture isn't loading for me
Try again. Click on the thumbnail.
Yours is basically like mine but with 2 inlets. You might want to make sure your motor oil isn't overfilled. Check dipstick. You might also want to put the PCV valve back on. It's supposed to be a 1-way valve.
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Old Oct 11, 2012 | 06:34 PM
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Ill put the Pcv back in place and try it.
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Old Oct 21, 2012 | 07:52 PM
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I tried it with the pcv in place and still did it maybe not as much smoke though.
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