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08-19-2019, 09:45 PM | #1 |
Senior Member
Join Date: Jul 2019
Location: Oklahoma City, OK
Posts: 184
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Observation: sediment bowl seal
While tracking down the smell of fuel, I noticed that the sediment bowl was full of junk again. After removing and cleaning the bowl, I inspected the underside of the bowl housing and noticed that the seal was cork, which had turned to powder. Having just replaced the tires I had spare inner tube material and made a rubber gasket. And now the observation . . . when you have a good seal at the sediment bowl on my car, if you just open the fuel shut off valve . . . no fuel will flow into the bowl. Not a drop. For a moment I thought the fuel line was clogged. Nope. It wasn't until I loosened the bowl would it fill up with gas. I thought that was an interesting observation.
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08-19-2019, 11:19 PM | #2 |
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Join Date: Mar 2013
Location: Bend Or.
Posts: 1,057
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Re: Observation: sediment bowl seal
Yep, you have an air lock between there and the carb needle.
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08-20-2019, 06:23 AM | #3 |
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Join Date: Jul 2010
Location: Cow Hampshire
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Re: Observation: sediment bowl seal
Fuel can't come in until the air can get out.
Joe K
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08-20-2019, 07:11 AM | #4 |
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Join Date: Jan 2016
Posts: 2,101
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Re: Observation: sediment bowl seal
Just open up the nut at the carb end a tiny bit and let the fuel flow for about 2-3 seconds and that will push out the air.
Not too sure how long the inner tube will last. |
08-20-2019, 07:26 AM | #5 |
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Join Date: May 2010
Location: In my garage
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Re: Observation: sediment bowl seal
Your carburetor is full of gas it wouldn’t let anymore gas in. I just drive the car and it fills back up in a few miles.
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08-20-2019, 07:28 AM | #6 |
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Join Date: Jul 2019
Location: Oklahoma City, OK
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Re: Observation: sediment bowl seal
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08-20-2019, 09:03 AM | #7 |
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Join Date: Nov 2016
Location: Tehachapi California
Posts: 156
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Re: Observation: sediment bowl seal
Happens to me all the time on several vehicles.
I replace the gasket with a new cork gasket anytime I take off a fuel bowl. If you don't, they usually end up leaking since the old cork has taken on a set from the glass bowl. Tom L. |
08-20-2019, 09:46 AM | #8 |
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Join Date: May 2010
Location: Tacoma, WA
Posts: 1,025
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Re: Observation: sediment bowl seal
Don't trust the inner tube rubber. I use cork as I have had bad luck with neoprene too.
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