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#1 |
Registered User
Join Date: Jul 2003
Location: Midwest
Posts: 2
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Vapor Canister Question
1994 C1500 5.7L AT. Noticed a rat chewed the purge fitting off the vapor canister. Anyone know if the top can be replaced on this, or any way to repair it?
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#2 |
Registered User
Join Date: Aug 2015
Location: Las Vegas NV
Posts: 245
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Re: Vapor Canister Question
I’ve never seen just a top replacement. Maybe you can grind it so the fitting is straight up, versus 90 degrees, and then possibly clamp the hose to it.
Or pay like $80 for a new one.
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Customization is what you want it to look like -- not what other people think it should look like |
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#3 |
Registered User
Join Date: Jul 2003
Location: Midwest
Posts: 2
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Re: Vapor Canister Question
Yeah, I've seen the prices . . . damn. Guess it's time to bring out the Yankee ingenuity.
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#4 |
Senior Member
![]() Join Date: Jan 2006
Location: Cleveland, Oh
Posts: 661
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Re: Vapor Canister Question
These have to be a dime a dozen in the boneyard.
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Mike Toy list: 1995 GMC Yukon 4dr 2wd 5.7 Vortec conversion, AAM TracRite 1979 Mako 23 CC |
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#5 |
Registered User
Join Date: Nov 2016
Location: Tulsa
Posts: 401
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Re: Vapor Canister Question
what does that do anyway? do u need to replace that?
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#6 |
Senior Member
![]() Join Date: Jan 2006
Location: Cleveland, Oh
Posts: 661
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Re: Vapor Canister Question
It's required for emissions. It collects fuel vapors and then peridocally releases them into the injection system to get burned instead of having them evaporate in the atmosphere.
You could technically vent the tank to the air but you'll have a fuel smell and depending on where you live, won't pass emissions inspection.
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Mike Toy list: 1995 GMC Yukon 4dr 2wd 5.7 Vortec conversion, AAM TracRite 1979 Mako 23 CC |
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#7 |
Registered User
Join Date: Feb 2018
Location: Doland SD
Posts: 669
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Re: Vapor Canister Question
In my 94 I by passed it all together. Just connected the two lines together and whent stait to the tbi. Never had a issue. Only reason I did this was to fit the under hood tool box the 95 ups got.
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![]() 94 chevy k1500 350 tbi 373 rear gears 4l60e one wheel peel. Gutless 07 gmc sierra classic rcsb 4.3 lt 5 speed w/t 99 chevy tahoe classic. 4 door. 4x4 5.7 vortec 4l60e. |
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#8 |
Registered User
Join Date: Nov 2016
Location: Tulsa
Posts: 401
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Re: Vapor Canister Question
canister ever need replaced though? does it improve performance?
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#9 | |
Registered User
Join Date: Jun 2014
Location: Orlando Florida
Posts: 668
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Re: Vapor Canister Question
It stores fuel vapor to be burned later, so to really sell it you need to mention that it increases your fuel mileage a tiny bit.
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