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#4293166 - 01/04/17 01:28 PM Re: Recommend glue for sealing cracked fuel tank cover [Re: JimPghPA]
Panzerman Offline


Registered: 12/16/06
Posts: 4174
Loc: Port Orange, Florida
Originally Posted By: JimPghPA
Don't mess with heat and a gas tank.


You can boil gasoline. It will not go off. I showed my son this camping. Regardless you will never ignite gas with a soldering iron. Just as the other gentleman said, you heat the sides of the crack and draw the Molton plastic in and smooth it out. Makes a permanent repair.
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2006 Dodge Ram 2500 Hemi 4x4
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#4293170 - 01/04/17 01:29 PM Re: Recommend glue for sealing cracked fuel tank cover [Re: zorobabel]
Panzerman Offline


Registered: 12/16/06
Posts: 4174
Loc: Port Orange, Florida
The plastic welders and plastic rods are terriable. They don't work well.
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#4294152 - 01/05/17 01:41 PM Re: Recommend glue for sealing cracked fuel tank cover [Re: zorobabel]
Yah-Tah-Hey Offline


Registered: 05/26/14
Posts: 3217
Loc: Columbus,Nebraska
I wouldn't take short cuts with a fuel leak. Editor of our local newspaper was working about 12:30 AM Wednesday when one of the delivery help came rushing in to tell him his car was on fire.Vehicle was a total loss. He reported that he had been going to take car in to mechanic this week for what he thought was a coolant leak. Kaboom. Too lazy to open the hood.

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#4294313 - 01/05/17 04:43 PM Re: Recommend glue for sealing cracked fuel tank cover [Re: Panzerman]
Ducked Offline


Registered: 10/25/12
Posts: 4064
Loc: Taiwan
Originally Posted By: Panzerman
Originally Posted By: JimPghPA
Don't mess with heat and a gas tank.


You can boil gasoline. It will not go off. I showed my son this camping.


It MIGHT not go off. WILL not go off is something of a stretch.

If you were camping you were presumably using a naked flame?

To demonstrate how to boil petrol?

To your son?

!!!!!!

One can of course get lucky.

OK Close Shave Petrol Story.....um...bit spoilt for choice, but I find this one hard to forget.

1800 Marina estate. Prequel to the repair described above. Filled up on the way home and the smell of petrol seemed more persistent than usual. Actually stopped to check, but it was dark and (of course) [censored] down and I couldn't see anything. Home late and forgot about it.

Next day woken by nosey neighbour who complains my car is leaking petrol down the street. Indeed. ALL the way down the street gutter, under lots of much shinier cars.

What to do? Have a couple of large jerricans, but have learned that siphoning petrol out of a tank really only works well in the movies. Decide to remove the tank and decant petrol directly.

EDIT: I'd better point out, for any petrol-boilers who might be reading, that most people would probably consider this was a somewhat dangerous thing to do, but everything is relative.ENDEDIT

Lying under the car in a small river of petrol, I'd unbolted the (still almost full) leaking tank and lowered it onto my chest, where it was soaking my overalls, and had just started to wriggle out with it, when the nosy neighbour (who'd complained about the leak in the first place) stuck her head down over the gutter to check on progress.

Did I mention she was a CHAIN SMOKER?

I couldn't look at first.

Then I looked and couldn't speak.

Then I spoke, but I had to be VERY polite to avoid agitatating the STUPID COW, since the ash didn't look very stable.

One of my nearer death experiences.


Edited by Ducked (01/05/17 04:49 PM)

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#4294318 - 01/05/17 04:50 PM Re: Recommend glue for sealing cracked fuel tank cover [Re: zorobabel]
Nick1994 Offline


Registered: 02/19/13
Posts: 9824
Loc: Phoenix, AZ
Same thing happened to my Camry last summer. Got a $50 fuel pump assembly from the junk yard. Working good.
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2015 Hyundai Sonata 2.4L 76k PU 5w30 & OEM
2000 Toyota Camry 2.2L 227k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 145k M1 HM 10w40 & Fram Ultra

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#4298704 - 01/10/17 01:33 PM Re: Recommend glue for sealing cracked fuel tank cover [Re: zorobabel]
zorobabel Offline


Registered: 01/27/11
Posts: 437
Loc: Anaheim, CA
I ended up using the JB-Weld Waterweld putty. There were a number of hairline cracks in that plastic, in retrospect I should have bought the new part.
But so far (48hrs), no gas leak, no gas vapor leak or smell.
Thanks for the replies!
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1997 Maxima 175k, Delvac 15w40, Wix 51315
2004 Corolla 189k, VWB 5w20 + SSS 10w40, MGL4967

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