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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Mar 2007 Posts: 9 New Guy | | New Guy Joined: Mar 2007 Posts: 9 | The cutoff valve on the bottom of my '46 Two Ton's underseat gas tank has started dripping. It looks like the cutoff valve may be welded into the tank, or it just may be that there is a crud buildup around it. Anyway, I am concerned about putting a wrench on it and forcing the issue. Anybody have any experience with changing out this valve? Also, I can't seem to find the valve listed in any of the usual parts supplier catalogs. | | | | | Joined: Apr 2007 Posts: 456 'Bolter | | 'Bolter Joined: Apr 2007 Posts: 456 | The valve should be threaded onto a 1/4" nipple that is threaded into the tank... at least mine was. When I tried to remove the valve, the nipple broke off in the tank. I used a drill to remove the broken nipple and replaced it with a new one I got at the local hardware store in the plumbing section. Not much can go wrong with the valve, so the nipple is probably your problem.
Good luck, George. | | | | | Joined: Aug 2008 Posts: 22 New Guy | | New Guy Joined: Aug 2008 Posts: 22 | MIne was pretty cruddy, Soaked it with penatrating fliud and wire brushed it a lot. Eventually it came out. | | |
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