Radiator/Antifreeze Question - Vintage Mustang Forums
 
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post #1 of 4 (permalink) Old 09-11-2019, 10:52 AM Thread Starter
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Radiator/Antifreeze Question

So I pulled the radiator out of my 67 vert that has a 289 in it that has been sitting for several years. When I pulled the radiator hose off the top tank I noticed a white gel type substance where the hose meets the tank neck and I also saw some of the white gel substance in the top hose as well. I have never seen this before in a radiator hose. Any idea what this might be.

Thanks
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post #2 of 4 (permalink) Old 09-11-2019, 03:57 PM
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Stop leak type product


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post #3 of 4 (permalink) Old 09-11-2019, 05:33 PM
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If its a gel substance, someone mixed Dex-Cool (GM antifreeze) with conventional antifreeze. You need to flush the whole system. The radiator needs to be professionally flushed at a radiator shop.

Cliff
1966 Blue Hardtop. 200 CID with 3 Speed Trans
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post #4 of 4 (permalink) Old 09-12-2019, 11:08 AM Thread Starter
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pulled the radiator and have taken it to a shop, awaiting to hear what they have to say about it
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