Charcoal canister swap GM DELCO

[RFB]

Simply leave larger in/output plugged off Searched but found no absolute answer and if I do leave it plugged does it need to be airtight

 

[surfpig]

Simply leave larger in/output plugged off Searched but found no absolute answer and if I do leave it plugged does it need to be airtight View attachment 1974135View attachment 1974136

Just leave it, if I recall. I think that's the vent for the canister, which is on the bottom of the OEM. I can check mine when I get home...

 

[LandCruiserPhil]

Simply leave larger in/output plugged off Searched but found no absolute answer and if I do leave it plugged does it need to be airtight View attachment 1974135View attachment 1974136

Bring me your old one to EXPO

 

[jjdeneen918]

What is the disadvantage to having a bad charcoal canister?
My tank vents upon opening for fill ups. I’m guessing my CC could be bad, but does it harm anything?

 

[RFB]

What is the disadvantage to having a bad charcoal canister?
My tank vents upon opening for fill ups. I’m guessing my CC could be bad, but does it harm anything?

having my truck vent from gas cap for 15minutes st8 when in mtns cannot be good, and if theres a way to rebuild old one let me know I have several oem CC

 

[surfpig]

What is the disadvantage to having a bad charcoal canister?
My tank vents upon opening for fill ups. I’m guessing my CC could be bad, but does it harm anything?

People have had their gas tanks blow leaks when they get seriously over pressurized.

 

[LC4LIFE]

if theres a way to rebuild old one let me know I have several oem CC

paging @LandCruiserPhil ....he has a thread on how to do it. It works well, I have done it my self on a couple.

 

[Broski]

I did the GM Delco swap thing it works good for about a year but at cruise Moab this year on the last run on Saturday my tank pressured up again and I was smelling gas I'm going to do the LandCruiserPhil modification next.. when I pulled the gas cap it was literally spitting gas out at me and depressurize probably for a minute or more.

 

[RFB]

paging @LandCruiserPhil ....he has a thread on how to do it. It works well, I have done it my self on a couple.

I KNEW IT !!!

 

[LandCruiserPhil]

I KNEW IT !!!

I put an end to my Charcoal Canister problems for good!

In the past I rebuilt my canister but recently the problem popped back up and once I experience a problem 3 times I change directions and look for a final fix. The canister has 3 lines - 1 - comes straight from the tank with a one way valve at the canister < the problem 1 - goes to the VCV...

forum.ih8mud.com

 

[OffRoadScott]

People have had their gas tanks blow leaks when they get seriously over pressurized.

That was the problem I was having with mine. I replaced it with the VC120 from Autozone. If anyone goes this route the plastic nipple for the tank is larger then the factory hose, just a heads up.

 

[RFB]

That was the problem I was having with mine. I replaced it with the VC120 from Autozone. If anyone goes this route the plastic nipple for the tank is larger then the factory hose, just a heads up.

I just finished it the hose on bottom goes nowhere now correct @OffRoadScott @LandCruiserPhil also I can bring an OEM can or two to AZ

 

[OffRoadScott]

I just finished it the hose on bottom goes nowhere now correct @OffRoadScott @LandCruiserPhil also I can bring an OEM can or two to AZ

Yes, mine didn’t have one but just vent it.

 

[graham5david]

Did this a few years ago. Works better than an old cannister but I still smell fumes and get pressure in the tank at high altitude. Best fix I have found in the mountains is to loosen the cap at altitude. I'm sure it's probably a bad idea but my gas tank hasn't exploded yet.

 

[RFB]

Yes, mine didn’t have one but just vent it.

ok to clarify I hooked up tank and purge only correct or re hook bottom line that appears to go nowhere cept the frame

 

[OffRoadScott]

ok to clarify I hooked up tank and purge only correct or re hook bottom line that appears to go nowhere cept the frame

If your replacement canister does have the hook up might as well connect it. But the "Tank" and "Purge" are the only ones that really matter like the one on the bottom vents to atmosphere.

 

[RFB]

If your replacement canister does have the hook up might as well connect it. But the "Tank" and "Purge" are the only ones that really matter like the one on the bottom vents to atmosphere.

thanks thats what I did as I cut the bottom line to remove old can anyway thanks Scoot. reciate the help

 

[itbrokeagain]

Getting ready to do this swap. How do I know which lines go where? This is on a 91

 

[pnwcruiser]

I did the VC120 Duralast canister. It is fat, you basically remove the bottom bracket from your truck, spread the top bracket and zip tie it tight after. The gas line will be tight, the tube on the VC120 is bigger than on the OEM, but lube it with some spit and it'll go on. $55 shipped to your house. Duralast Vapor Canister Over a week of having it and zero issues, no more extended gas release from the gas cap.

 

[Qball]

I did the VC120 Duralast canister. It is fat, you basically remove the bottom bracket from your truck, spread the top bracket and zip tie it tight after. The gas line will be tight, the tube on the VC120 is bigger than on the OEM, but lube it with some spit and it'll go on. $55 shipped to your house. Duralast Vapor Canister Over a week of having it and zero issues, no more extended gas release from the gas cap.

Done the same thing for 5 years, maybe it’s time to put in a new one as PM?