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Old 11-06-2019, 05:20 PM   #1
dbtenner
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Default 34 Radiator Leak - JB Weld

Well in the process of bolting on the water pump it fell backwards and apparently ruptured the radiator.... what do I do??

Should I use jb weld or something. This sucks, fix one thing and other problem.


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Last edited by dbtenner; 11-06-2019 at 05:37 PM.
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Old 11-06-2019, 05:20 PM   #2
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Default Re: 34 Radiator Leak - JB Weld




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Old 11-06-2019, 05:28 PM   #3
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Default Re: 34 Radiator Leak - JB Weld

Looks like your going to have to remove the radiator and get the broken tube soldered.
If you have the space you might be able to solder it in your car. Must be super clean.I believe acid core solder is used or a mild acid flux.
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Old 11-06-2019, 05:37 PM   #4
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Default Re: 34 Radiator Leak - JB Weld

A relatively simple soldering job.

I watched Youtuber 805RoadKing solder up similar damage on his F100 only the other day. In case it helps at all, here's a link:
https://youtu.be/wpLEW2ZjSjc

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Old 11-06-2019, 05:40 PM   #5
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Default Re: 34 Radiator Leak - JB Weld

To answer the JB Weld issue, I'm a big fan of the stuff for some applications, but don't think this is one of them.
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Old 11-06-2019, 06:11 PM   #6
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Default Re: 34 Radiator Leak - JB Weld

I have had a similar hole ( from deer antler though)that I glued over 20 years ago on a chevy truck, still no leak, you have to drain and clean the area, push some into the holes--- soldering is better if you can--- if the fins are carefully moved away it can be soldered and fins moved back and the repair will disappear---- with the epoxy there's a big blob and it will be hard to remove when you want to do a proper job
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Old 11-06-2019, 07:04 PM   #7
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Default Re: 34 Radiator Leak - JB Weld

Thanks. Bought the acid core flux and a soldering gun, it canít even cut through the gauge wire.

Iíll bring it by a radiator shop this week and see what needs to be done. What a costly mistake, at least the water pump is good now itís the radiator.


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Old 11-06-2019, 07:38 PM   #8
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Default Re: 34 Radiator Leak - JB Weld

Just the way it is sometimes . . . 2 steps forward . . . 3 back . . . regroup . . . try it again. Very rarely do I finish any substantial project without some sort of "gotchas" along the way. In the end, I think we continue to learn by these issues - even though they are painful at times!

Good luck, shouldn't be a very expensive fix.

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Old 11-06-2019, 07:50 PM   #9
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Default Re: 34 Radiator Leak - JB Weld

Correct me if Iím wrong, but when the water pump hit the radiator baffle, it ruptured the tube it is connected to?

Thatís what it looks like in the picture. The long strands are the tubes.


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Old 11-06-2019, 07:57 PM   #10
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Default Re: 34 Radiator Leak - JB Weld

That is what it looks like. Hint for the future, it is a good idea to place some heavy cardboard in front of the radiator when working near it.
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Old 11-06-2019, 08:02 PM   #11
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Default Re: 34 Radiator Leak - JB Weld

Thanks. Iíll be sure to do that next time.

I had it hanging from the outlet hose but as I turned around to pick up the bolts, it had slipped out and back towards the radiator


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Old 11-06-2019, 08:08 PM   #12
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Default Re: 34 Radiator Leak - JB Weld

Quote:
Originally Posted by dbtenner View Post
Thanks. Bought the acid core flux and a soldering gun, it canít even cut through the gauge wire.

Iíll bring it by a radiator shop this week and see what needs to be done. What a costly mistake, at least the water pump is good now itís the radiator.


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Please explain what you mean by the highlighted red wording.
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Old 11-06-2019, 08:11 PM   #13
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Default Re: 34 Radiator Leak - JB Weld

The solder gun may not be hot enough for some reason or the bwg wire was too thick.


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Old 11-07-2019, 04:33 AM   #14
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Default Re: 34 Radiator Leak - JB Weld

I don't recall soldering irons cutting wire.

I've soldered these things up before, soda blasting should make it nice & clean but if you have a radiator shop available, use it.
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Old 11-07-2019, 04:42 AM   #15
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Default Re: 34 Radiator Leak - JB Weld

Is it a blowtorch type or an electrical resistance type? Any blowtorch type should be hot enough.

What is bwg wire?

Did you watch the video?

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Old 11-07-2019, 09:12 AM   #16
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Default Re: 34 Radiator Leak - JB Weld

Did that once, dropped a screwdriver while tightening a hose clamp, put a hole in one of the tubes. I removed the radiator and with a lot of flux and acid core solder I was able to fix it with my Propane torch.
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Old 11-07-2019, 11:10 AM   #17
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Default Re: 34 Radiator Leak - JB Weld

Before you try soldering the radiator I would try "Alumaseal" stop leak. I have used that product for years with great success. Alumaseal is an aluminum looking powder that is pored into the radiator with the warm coolant still in the radiator. As the Alumaseal moves through the radiator, when it hits the leak and comes into contact with air, magic the leak is stopped.
When I had my company we had a large fleet of trucks, we used Alumaseal in every vehicle.
If you can find "egg keep/liquid glass" . Use to be available from farm stores, you can use the tried and true Model T method to stop a radiator leak.
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Old 11-09-2019, 04:40 PM   #18
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Default Re: 34 Radiator Leak - JB Weld

Thanks for the help. Iím trying to take the radiator off today and Iíve removed all side and top bolts that connect with grille but Iím flustered taking the grille off is difficult.

There is a bottom bolt thatís at the point of the inside part of the grille near splash pan. Itís inaccessible, any ideas?
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Old 11-09-2019, 04:54 PM   #19
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Default Re: 34 Radiator Leak - JB Weld

Nevermind. Got it off.


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Old 11-09-2019, 08:08 PM   #20
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Default Re: 34 Radiator Leak - JB Weld

Kind of weird. I can tig and mig with some efficiency. But never learned to braze. Guess I should read up and add some tools and rods.
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