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Oct 9, 2011 | 07:19 PM

#5 (permalink)

IBLUBYU

Senior Member

Joined: Mar 2010

Posts: 1,363

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From: Sun City West, AZ

Re: Can we agree on this coolant to use?

Quote:

Originally Posted by James1549

I agree. I always use full strength. When flushing a system, it is nearly impossible to get all the water out of the engine block, radiator, heater core, etc... So using 50/50 to fill after a flush, will get you short on antifreeze. So the manual says 11.8 qts capacity on the coolant system. So I will add 6 qts (1.5 gal) to the empty system then top off with water. After a day or two of driving, I will check the freeze temp for a piece of mind.

James

Hmmm ..... I'd think that if you drain out 10 qts of 50/50, all you need do is to add 10qts of 50/50. Of course I'm assuming the existing cooling system has 50/50 already in it, and not pure water. Besides, when topping off with water, we should use de-mineralized H2O, and the premix should be using proper water.
Am I thinking wrong?

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