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| | | Forums66 Topics128,088 Posts1,056,002 Members48,430 | | Most Online14,466 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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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Oct 2008 Posts: 88 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2008 Posts: 88 | I have a 62 with the tank still behind the seat. A while back I replaced the fuel sending unit and gasket. Now it seeps fuel when the tank is full. Is there some sealant that I can use that is safe with gas. I thought that I had heard somewhere that silicone would not work with gas. Any suggestions would be helpful. By the way, it had the same leak before I replaced the sending unit. The tank does not appear to be bent or tweaked in any way. I think its coming from around the screw holes, and yes they are tight. thanks Darin | | | | | Joined: Oct 2003 Posts: 445 Shop Shark | | Shop Shark Joined: Oct 2003 Posts: 445 | use PERMATEX on tne screws and the gasket on the float.this will solve your problem
dan-pa
| | | | | Joined: Oct 2008 Posts: 88 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2008 Posts: 88 | | | | | | Joined: Mar 2006 Posts: 1,703 Shop Shark | | Shop Shark Joined: Mar 2006 Posts: 1,703 | 62, Just my 2 pennies, I have used most all of permatex's products an I find that ya just cant beat the Black #16B, I prefer it over there Blue Glue an other products for its durabilty and Durometer it achives when it cures. You can pick it up at any NAPA, just make sure to REALLY clean all your mating surfaces with laquer thinner or acetone..so THEY ARE CLEAN!..an let the Black cure very well at least a good day before puttin the gas to it an you will end up with a NO LEAK SITUATION! Tim
| | | | | Joined: Oct 2008 Posts: 88 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2008 Posts: 88 | | | | | | Joined: Aug 2007 Posts: 1,859 Grumpy old guy playing with trucks, cars, and boats | | Grumpy old guy playing with trucks, cars, and boats Joined: Aug 2007 Posts: 1,859 | Ultra Copper RTV is my recommendation, works best sealing petroleum stuff (gas, oil, etc.)
The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me
| | | | | Joined: Oct 2006 Posts: 843 Shop Shark | | Shop Shark Joined: Oct 2006 Posts: 843 | there is also a sealant called Seal-All which is specific for gasoline | | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | I'd go to my local home improvement store or hardware store and get a can of pipe thread sealant. Make sure its for use with gas lines, water, steam ect. I've had the best results using this type product for these kind of repairs. A little bit of it goes a long way. | | | | | Joined: Oct 2008 Posts: 88 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2008 Posts: 88 | thanks for all the help guys | | |
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