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Old 12-12-2017, 06:13 AM   #1
Tunnel_Vision
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Fuel tank vent

While running the generator and fueling our quads, I hear this beer canning sound. I cracked open the gas cap, and sure enough the tank started gasping for air! Is there no vent or is the cap supposed to be vented?


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Old 12-13-2017, 03:56 AM   #2
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Originally Posted by Tunnel_Vision View Post
While running the generator and fueling our quads, I hear this beer canning sound. I cracked open the gas cap, and sure enough the tank started gasping for air! Is there no vent or is the cap supposed to be vented?


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I put 2 locking caps on mine and they were vented caps. I just took one of the stant caps that were on it and they matched them with a locking version.
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Old 12-13-2017, 06:02 AM   #3
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Thanks I’ll try that, won’t have part number would you?


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Old 12-13-2017, 06:25 AM   #4
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Not here, If you take a cap to an auto store that sells Stant products they should be able to match it up. I got mine at Reilly auto parts as they sell them. If I can get to the camper today I'll see what the part # is as I have old caps in the new boxes.
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Old 12-13-2017, 08:55 AM   #5
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vented cap

Here is the info you wanted.
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Old 12-13-2017, 08:57 AM   #6
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That part # I guessing should work with most Keystone toy haulers.
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Old 12-13-2017, 09:12 AM   #7
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here is the info you wanted.
thank you!
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Old 12-13-2017, 09:21 AM   #8
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I crawled under there last night to see if I could see a vent hose and yes it was there, it runs from the tank to the filler housing.I have not had a chance to see if its clear (unblocked) but assume it is and the cap has went on vacation.
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Old 04-07-2020, 08:56 PM   #9
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Originally Posted by Tinner12002 View Post
Not here, If you take a cap to an auto store that sells Stant products they should be able to match it up. I got mine at Reilly auto parts as they sell them. If I can get to the camper today I'll see what the part # is as I have old caps in the new boxes.
Thank you for the information you posted here regarding the locking Stant gas cap. I found that the Stant #17591 locking gas caps fit my 2018 Keystone Raptor (generator and fuel station) and had ordered both caps from eBay that came with 2-day free shipping cheaper than O’Reilly.
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Old 04-08-2020, 10:48 AM   #10
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Funny this should come up again. Even with a new cap I sometime have to remove the new cap, but not always? I don't understand why that is...
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Old 04-08-2020, 10:58 AM   #11
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Why do you have to open it sometimes?
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Old 04-08-2020, 11:17 AM   #12
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Why do you have to open it sometimes?
It starts to collapse the fuel tank! Make all kinds of racket. Vent hose is clear and new cap is vented...
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Old 04-09-2020, 10:47 AM   #13
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Someone had posted somewhere about his caps. Said you need to turn till they click, then back off till you feel resistance. Not sure on this theory.
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Old 04-29-2020, 05:59 PM   #14
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I bought the Stant #10834T vented gas cap for my Fuzion 429. It fixed the banging noise from my gas tanks. T is for tethered. This is a vented gas cap which probably is not legal for emissions but I care more about getting rid of the banging noise.
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Old 04-29-2020, 08:00 PM   #15
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Original caps on mine, never heard the tanks while fueling, they are vented some where and keep up to the pump.
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