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Jb Weld Didn't Work This Time :(


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#1 larrybl OFFLINE  

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Posted October 04, 2014 - 09:36 AM

Off to town to buy a new radiator :( . This one has a 1" split in the top, thought I could clean the area, lightly sanded the area, wiped off and applied 2 coats of JB. Let sit 24 hours. Still leaking.

 

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#2 Cat385B ONLINE  

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Posted October 04, 2014 - 09:39 AM

Note to self: Doesn't work as well on aluminum.



#3 LilysDad ONLINE  

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Posted October 04, 2014 - 09:40 AM

Apparently it didn't work on the leak in your avatar either.


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#4 Auburn David OFFLINE  

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Posted October 04, 2014 - 09:47 AM

Just went through the same thing on the Benz..it is a composite plastic of some sort..I tried JB and epoxy ...like you..ended up buying a new radiator.



#5 TAHOE OFFLINE  

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Posted October 04, 2014 - 09:59 AM

Yea, I have tried JB weld on radiators and it's failed every time. Either doesn't stick well or can't take the heat and pressure. 


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#6 sodisr OFFLINE  

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Posted October 04, 2014 - 10:12 AM

Expansion may be the culprit here...  J B doe's not expand...


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#7 Jazz ONLINE  

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Posted October 04, 2014 - 10:16 AM

 

There are various products on the market specifically for repair plastic rads and gas tanks. Maybe someone here has can recommend one. I have not used them myself as I don't own anything so modern as to have a plastic rad.   We had considered using this product for my sons truck but he opted for a new rad as he was heading cross country and was skeptical of the product.

 

http://www.ebay.com/...e_Tools&vxp=mtr

 
 

Edited by Jazz, October 04, 2014 - 10:18 AM.

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#8 Alc ONLINE  

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Posted October 04, 2014 - 10:52 AM

I had luck using a cheap HF plastic welder on my dauthers friends plastic radiator , lookes like a soldering iron

Edited by Alc, October 04, 2014 - 10:52 AM.

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#9 Texas Deere and Horse OFFLINE  

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Posted October 04, 2014 - 01:14 PM

My local radiator shop replaces the tanks on those aluminum radiators all the time with great success and is a lot cheaper then buying a new one.


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#10 KennyP ONLINE  

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Posted October 04, 2014 - 02:16 PM

My local radiator shop replaces the tanks on those aluminum radiators all the time with great success and is a lot cheaper then buying a new one.

I checked into that once here. It would cost as much if not more than a new radiator.



#11 larrybl OFFLINE  

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Posted October 04, 2014 - 05:00 PM

Less than $80.00 at Advanced Auto, including a gallon of antifreeze. The old cap was rated at 13psi, can anyone tell me what the new cap is in psi? looks like 1.1.

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#12 KennyP ONLINE  

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Posted October 04, 2014 - 05:20 PM

I can't read much on that cap!



#13 larrybl OFFLINE  

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Posted October 04, 2014 - 05:25 PM

If I click it I can read it. Try this.... If it doesn't work I'll let you borrow my glasses.

   

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#14 KennyP ONLINE  

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Posted October 04, 2014 - 05:52 PM

I can read the first 2 lines! After that, I haven't a clue! I checked PSI to KPa, that didn't work!



#15 motobreeder OFFLINE  

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Posted October 04, 2014 - 06:04 PM

I bet the Chinese translates to 1.1 bars - about 16PSI.

 

edit:

Actually, the Chinese looks like "danger"  = 危险

(based on google translate)


Edited by motobreeder, October 04, 2014 - 06:15 PM.





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