can i repair aluminum radiator puncture?

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81SPIDERMATT
Posts: 1239
Joined: Mon Oct 11, 2010 5:10 pm
Your car is a: 1981 spider 2000
Location: FORT COLLINS, CO

can i repair aluminum radiator puncture?

Post by 81SPIDERMATT »

this is ,I believe, part of the old bottom radiator bracket .... specifically looking at the 2 pieces of metal sticking out ...

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this is the curb at the new house .... one of those ones that resemble a parking stump at the mall parking lot

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the combination of those 2 things has led to this

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marks aluminum radiator ..... drains fluid almost as quick as I put it in .... no experience in these matters and was hoping for opinions from those in the know .... thanks ... Matt
DieselSpider
Posts: 2130
Joined: Wed Dec 24, 2014 10:21 pm
Your car is a: 1978 124 Spider with Isuzu Turbo Diesel

Re: can i repair aluminum radiator puncture?

Post by DieselSpider »

Drain it, rinse out the coolant, wire brush it with a non-ferrous wire brush (the non-ferrous part is important) and then use AlumaWeld (Harbor Freight) or Bernzomatic AL3 available at Home Depot.

This stuff has been around for ages and melts at about 730 degrees so a regular propane plumbers torch will work just fine.

http://www.harborfreight.com/8-piece-lo ... 44810.html

http://www.homedepot.com/p/Bernzomatic- ... /203710179

Also sold as AlumAloy and DuraFix.

Here is the AlumAloy in action:

https://www.youtube.com/watch?v=TZ5sD9hQTyw
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