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Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

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Old 10-24-2004, 08:24 PM   #1
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Car: 2003 SVT Focus
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86 Camaro Emissions: Check Valve PN?

I'm in the process of completely restoring my 86. For now, I've decided to keep everything stock, so it has a Holley-rebuilt Quadrajet newly installed. In the emissions routing on the carb, there is a "Canister Control Valve" (PN: 17085891) that I found on GMPartsDirect. Immediately off of this valve, there is a small "Check Valve" (PN: 25518739) that I can't find anywhere. I was told by Autozone that it may come with the new canister control valve.

Does anyone know where I can get this check valve for certain?
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Old 10-25-2004, 09:43 AM   #2
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It's unlikely they come together. Competition is so fierce in auto parts pricing they always give you the bare minimum they can- no extras.

I would think a trip to the junkyard would get you what you need.
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Old 10-27-2004, 06:10 PM   #3
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Trickster was able to dig up some info for me. The check valve was discontinued by GM and is now ACDelco part# 214563. Just in case anyone is looking for it (I think I'm the only person here trying to restore my emissions and AIR system), here's a picture and it's location in the system:

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Last edited by CaysE; 10-28-2004 at 08:29 AM.
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Old 10-27-2004, 06:10 PM
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1992 Camaro




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25518739, 86, 91, air, camaro, canister, check, emisions, emission, emissions, gm, gm25518739, system, test, valve
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