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| Gas tank pickup problems https://slantsix.org/forum/viewtopic.php?t=57468 |
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| Author: | scottcab [ Fri Apr 10, 2015 2:38 pm ] |
| Post subject: | Gas tank pickup problems |
Hello all, I had the gas tank out of the cab of my 1966 D300 pickup. I dumped all of the old gas out and then flushed the tank about 10-15 times with water to get all of the rust or stuff out. I did not think to check the pickup tube while I had the tank out. I painted and reinstalled it into the truck and filled with gas. Thenrealized that my pickup tube seems to be cloggged. I applied 20 lbs of suction to the pickup, and only a very small amount of fuel came out. I then proceeded to blow into the pickup with a little low pressure air. It also would not allow me to blow into it. I am thinking that there is a restriction at the pickup tube indside the tank. Any suggestions for testing/resolving this issue. If I end up having to pull the sending unit and pickup assembly out of the tank, where would I find a new one (and a part number)? Thanks, Scott C |
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| Author: | bboogieart [ Fri Apr 10, 2015 4:20 pm ] |
| Post subject: | |
I would maybe try to run a coat hanger through the tube. Still gonna need to take it out or the crud in it will wind up in the tank. |
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| Author: | scottcab [ Fri Apr 10, 2015 6:02 pm ] |
| Post subject: | pickup check valve? |
Should there be a check valve or anything in the pickup? Maybe I should try high pressure air into the pickup? OR pressurizing the tank through the fill? Lastly, should there be some kind of filter or anything on the bottom that I will damage or not be able to get through with a coat hanger? |
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| Author: | scottcab [ Sat Apr 11, 2015 3:00 pm ] |
| Post subject: | Update |
Just an update if someone comes across the same problem: I ended up having to remove the pickup and sending unit. it was much easier than I anticipated. After removing it, I checked the pickup and sure enough it was full of hardened varnish. I had to drill out the end and then use a coat hanger to debris it. Then carb/choke cleaner to clean it out. Finally, I reinstalled and everything is good. |
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