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11-19-2012, 11:51 AM
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#1 |
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Registered User
Join Date: Dec 2007
Location: Glendale Arizona
Posts: 1,354
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What is this? 72 Jimmy
Is this some kind of tank vent in the back of my Jimmy? The tube is capped off just before the bed rail and seems like several tubes from the gas tank go up inside it.
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1970 GMC 1500 stepside 1972 GMC Jimmy Custom 2004 Chevy Colorado 1989 Swb Silverado 1972 Aj's Stormer Last edited by mgkgmc; 11-19-2012 at 12:05 PM. |
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11-19-2012, 12:11 PM
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#2 |
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Registered User
Join Date: Apr 2005
Location: redding ca
Posts: 1,438
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Re: What is this? 72 Jimmy
vent for the fuel tank
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11-19-2012, 02:12 PM
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#3 |
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Registered User
 Join Date: Nov 2007
Location: NLR, AR
Posts: 1,387
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Re: What is this? 72 Jimmy
Its part of the evap system. The tank has a left and right vent hole. They run over to this, merge, then has 1 tube going to the charcoal canister, then to the motor.
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11-19-2012, 02:43 PM
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#4 |
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Registered User
Join Date: Apr 2005
Location: redding ca
Posts: 1,438
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Re: What is this? 72 Jimmy
Could a guy ditch the whole system?
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11-19-2012, 02:56 PM
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#5 |
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Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: What is this? 72 Jimmy
I am not an expert, but IMO you could ditch it, provided you have a vented fuel cap.
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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11-19-2012, 03:00 PM
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#6 |
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Registered User
Join Date: Nov 2004
Location: Lindenhurst, IL
Posts: 659
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Re: What is this? 72 Jimmy
I remember reading that guys had issues with splash-back while filling the tank when the vent system was 'disabled'. May want to check into that.
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11-20-2012, 10:32 AM
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#7 |
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2WD Jimmy
Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,565
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Re: What is this? 72 Jimmy
I eliminated all that. My tank is well vented though.
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