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  #14   IP: 108.168.37.23
Old 07-11-2018, 01:08 PM
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Graham Graham is offline
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Join Date: Mar 2016
Location: Toronto, Ontario, Canada
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To close this up.

My pump was knocking because of a vacuum leak at the fittings coming off my gas tank. Somone sealed the fittings with plumbers tape and over time they started to leak. I used PERMATEX Aviation Form-A-Gasket No. 3 sealant to reseal everything. = no more knocking.

Problem solved

Thanks for the help!
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