How-To: Fix Stuck Smart Valves - Page 2 - HCS Snowmobile Forums

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Old 02-11-2014, 09:56 AM   #11 (permalink)
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They are supposed to close off and keep the pump from sucking air if the fuel sloshes away from the smart valve (like in heavy acceleration, deceleration, jumping, cornering, etc).
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Old 02-11-2014, 10:15 AM   #12 (permalink)
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They are supposed to close off and keep the pump from sucking air if the fuel sloshes away from the smart valve (like in heavy acceleration, deceleration, jumping, cornering, etc).
so doesnt the stronger spring just keep them open? like removing the spring and washers?
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Old 02-11-2014, 10:42 AM   #13 (permalink)
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You really don't want to remove the white disc as you are basically bypassing the purpose of the valves, but read a lot of guys have done it that way. It's really to help in situations where water is in the gas, and they would suck shut to prevent damage. I've also read guys just carry a bottle of IsoHeat/etc if they get in an area with bad gas, but to me that's just 1 more thing to carry.
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Old 03-22-2014, 09:48 PM   #14 (permalink)
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BUMP as it is needed again ....
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Old 03-22-2014, 11:59 PM   #15 (permalink)
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sticky?
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Old 03-23-2014, 12:05 AM   #16 (permalink)
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sticky?

YES I think so ...... It comes up at least once a week .....
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Old 03-24-2014, 07:04 PM   #17 (permalink)
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Would a 97 580 EFI have these valves?
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Old 03-24-2014, 08:08 PM   #18 (permalink)
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Would a 97 580 EFI have these valves?
Yes ..... pump set up is different but they do have smart valves ....
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Old 11-19-2014, 04:21 PM   #19 (permalink)
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what's your vote, should this be a sticky at the top of the forum?
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Old 11-19-2014, 08:05 PM   #20 (permalink)
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Sticky for sure. Great job!
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