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Post by kyngofpop on Jun 2, 2011 16:30:56 GMT -6
Just bought some of these due to a slight coolant disappearance over a months period. I'm changing the coolant and wondered were these worth it and should I just add them in the tank or what? I know some say to add it in the lower radiator hose although the GM tech said adding it to the tank would be totally fine. Opinions?
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Post by ntrenn on Jun 2, 2011 16:50:11 GMT -6
They have been all over the map on where to put them. Lower hose, radiator tank, upper hose...
As best I can tell, it doesn't matter (but not in the surge tank) - just put them in and run the engine for at least 15-20 minutes to dissolve them and circulate them. I've used other 'stop leak' products and these are the best and least mess of any I have used, although a little more expensive. I usually put 2 tabs in a car. If I notice it's still consuming some, I put another 1 or 2 in.
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Post by kyngofpop on Jun 2, 2011 17:14:20 GMT -6
Very good advice man, thanks. I guess I'll be putting them in thru the upper hose, and ya say 2 at a time? Golden.
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Post by kyngofpop on Jun 4, 2011 13:56:52 GMT -6
I used 2 pellets and no coolant has disappeared so far  installed in the upper radiator hose with no mess either. |
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Post by roara on Jun 4, 2011 14:00:13 GMT -6
Sweet, did you get the "GM" part number from a dealer?
So far for me my water pump job seems to have taken care of the leak but I think I would like to do a couple tabs to be sure. I still smell a little coolant but it could have been residual burning off.
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Post by kyngofpop on Jun 4, 2011 20:03:15 GMT -6
Indeed I do have a part number man it is 1#12378254 with the name Cooling System Seal Tabs. They were $6 bucks which I dont think is too bad. Btw they're an all natural vegetable composition and have a cork like consistency, lets hope they do the trick and as for you I'd install them just for piece of mind.
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Post by roara on Jun 4, 2011 20:24:18 GMT -6
Cool thanks. I do know the part number, I still have all the rad shroud stickers, just wondering if you went to a dealer or on-line?
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Post by kyngofpop on Jun 4, 2011 20:25:49 GMT -6
I went to the dealer.
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Post by roara on Jun 4, 2011 20:35:29 GMT -6
Thanks KOP !
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Post by kyngofpop on Jul 1, 2011 18:37:34 GMT -6
Been nearly a month and still no leaks, I highly recommend this product.
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Post by roara on Jul 2, 2011 1:59:51 GMT -6
Good, I'm there. Did the water pump a month ago or so, still leakin a little OJ. I think its the crossover pipe on the backside. I still smell it but it really doesn't hit the ground.
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installed in the upper radiator hose with no mess either.
