Pic of charcoal canister

[Jayschevy]

Originally Posted by med.bronze

Ok jayschevy here's a couple pics with it mounted. In the first pic the camera is pointing towards the front of the pickup and you can see the battery to the left. In the second pic I'm standing in front of the grill and pointing straight down with the battery to the right.

Thanks

[72 Super]

Originally Posted by Sloan66

I found on a gmpartseast.com for $58 part number 17063011

Is this one correct? And has anyone used one? Thanks, Ray
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[med.bronze]

The one I bought with that same part number was 6 or 7 years ago and I paid almost a hundred for it. I also assumed that it had been discontinued so I was surprised to see it available at this price. The only difference cosmetically is the purge valve has a very slightly different cap but all the ports are the same and the manufacturers logo is even the same.
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[Vintage Windmills]

I wonder if you could open the old one and replace the charcoal media?

[Lee H]

Originally Posted by Vintage Windmills

I wonder if you could open the old one and replace the charcoal media?

Yes, it's just a small pouch filled with charcoal, available at most auto parts stores for about $2.
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[med.bronze]

Originally Posted by Lee H

Yes, it's just a small pouch filled with charcoal, available at most auto parts stores for about $2.
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Seriously? Wow, I'd much rather do that than buy another one for a spare. How hard was it to break into a canister?
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[72 Super]

Originally Posted by med.bronze

Seriously? Wow, I'd much rather do that than buy another one for a spare. How hard was it to break into a canister?
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Me too, you can see in there from the bottom, I wonder if the top comes a lose some way?

[ARC190]

If you download the service manual for your particular year it will be listed as the "Evaporation Control System". For '71 C-10 everything is around pages 8-8 through 8-10. There are procedures for removal but it's pretty easy to figure out once you figure out the entire bracket can come off. The $3 filter that can be bought at any parts store looks like it's just a filter to keep things out of the canister. When I pulled out that filter the carbon started coming out. It looked like there was a very thin sheet of foam that was used to keep the carbon in when it was new but over 40+ years that had rotted away. So now I have an empty canister that I plan on dumping fish carbon in and putting back together. The canister does do something. My garbage smells like exhaust now.

[richards72chevy]

Originally Posted by med.bronze

1972SUPERSB- here's a scan from the service manual, also on the top of the canister its marked which port goes to what it needs to go to.

Attachment 1071266

Is there any lines connected to the fuel pump?

[med.bronze]

As far as the canister goes, none that I'm aware of

[gale]

Originally Posted by sameyrasmea72

I thought it was a 1972 thing only.

I bought a new '73 and it had the canister.

[72K5CSTDarkOlive]

Is this part really necessary or can you do without it?

I have 72 K5 and it doesn't require to be smog checks. I started pulling everything out because I'm putting in a fresh motor in so I'm starting to put together a parts list for replacing fuel and brakes lines with stainless steel. I'd rather not use it if you don't need. Plus it's one less stainless steel fuel line I would need to buy

[med.bronze]

One of my '71 K10's canisters had been removed by a PO and it ran fine but I noticed fuel odor every time I was under the hood. It was then that I realized that it was missing and put one in and the odor was gone.