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Old 10-05-2010, 09:07 PM   #1
JayE72
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fuel sending unit

Hey guys!
I have a really quick question. I am re-assembling my sending unit on my 1972 Chevy SB Truck and I need to know if the rubber O-ring sits on the tank or if it sits between the sending unit and the lock nut? Thanks for your help...
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Old 10-05-2010, 09:09 PM   #2
hayhauler71
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Re: fuel sending unit

sits on the tank than sender than lock ring
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Old 10-05-2010, 11:43 PM   #3
JayE72
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Re: fuel sending unit

Thanks Fuzzy!
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Old 10-06-2010, 06:59 AM   #4
cdowns
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Re: fuel sending unit

hope you're using new oring to assure a good seal
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Old 10-06-2010, 11:11 AM   #5
JayE72
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Re: fuel sending unit

No I had to use the old one. The one that was sent would not allow me to tighten the lock nut. I will try it again with the new one. What kind of problems will I have if I am not successful at installing the new o-ring?
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Old 10-06-2010, 11:19 AM   #6
cdowns
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Re: fuel sending unit

old orings can cause leaks and gas smells due to improper sealing


try putting oring in boiling water b4 installing to soften it up
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DONT BELIEVE EVERYTHING YOU THINK

TAKE MY ADVISE;I DON'T USE IT ANYWAY
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Old 10-10-2010, 11:35 PM   #7
JayE72
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Re: fuel sending unit

Thanks for your help cdowns. I finally got it to work with the boiling water. Thank you so much!
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