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leaking gas tiank

Started by markmartin, September 27, 2015, 06:46:17 PM

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markmartin

I've had this ongoing problem for a few years with the gas tank seeping fuel at the clip that holds the fuel filter.  I've smeared JB weld over the entire area and it seems to work for a while but then eventually I get a gasoline residue on the tank at that area.

I'm guessing that I need to remove the tank, drain it, remove the JB weld and have it brazed?   Has anyone done this and / or does anyone have any advise?  Horror stories? Should the clip be removed before brazing it back on?  I don't even know if brazing is the fix... I'm just guessing.    I'm hoping this problem is repairable.

Pat Conlon

Quote from: markmartin on September 27, 2015, 06:46:17 PM
I'm guessing that I need to remove the tank, drain it, remove the JB weld and have it brazed? 

It depends on the condition of the tank. Get a dental mirror and a penlight and look inside. If it's rusty, you have a decision to make. Spend $$$ and have it professionally restored, or get a FJ tank in better condition and have it resprayed.

Brazing fuel tanks is not for the novice. Things can go horribly wrong.  I would have a pro do it.
1) Free Owners Manual download: https://tinyurl.com/fmsz7hk9
2) Don't store your FJ with E10 fuel https://tinyurl.com/3cjrfct5
3) Replace your old stock rubber brake lines.
4) Important items for the '84-87 FJ's:
Safety wire: https://tinyurl.com/99zp8ufh
Fuel line: https://tinyurl.com/bdff9bf3

rktmanfj


My '89 had the same problem.

We cleaned the area and reflowed the brazed joint, adding some rod and flux along the way.  It took a few tries to get it look decent (lots of sputtering), but the final result was a success, as it is still holding after 2 seasons in use.

Randy T
Indy

Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight.
Psalms 144:1

'89 FJ1200
'90 FJ1200
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