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What is wrong with my FASS

Old 07-13-2019, 05:53 PM
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What is wrong with my FASS

I wish I could post a video but itís make like a pinging sound while itís pumping. I afraid to drive it. I should be able to email the video if someone wants to here it
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Old 07-16-2019, 02:13 PM
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Could this noise be something as simple as a loose mounting bolt that is vibrating
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Old 07-16-2019, 05:05 PM
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I guess I should point out that I’ve only owned the truck a week and didn’t install the FASS.
Yesterday I changed the water separator and the pinging stopped but now it’s sounds like it’s surging. .
I think it’s possible air is getting into the system through the hose or its past due for a fuel filter.
So I ordered new hose from FASS and ordered a CAT fuel filter. So if none of this works the pump is probably on its way out.
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Old 07-17-2019, 11:09 PM
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I certainly hope you called FASS and asked them.
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