Antifreeze

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Old 07-30-10, 05:37 AM
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Question Antifreeze

I have a 2003 Hyundai 3.5L and I am planning on changing the antifreeze. Any recommendations on type and brand would be very helpful? I can't seem to find Zerex Original Green (which would be my choice), only Peak Original Green. Any suggestions or helpful comments will be greatly appreciated
 
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Old 07-30-10, 06:44 AM
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You have to use the type recommended by your manual since it will contain the right anti-corrosives for your engine. As far as brand they're all the same IMO. Just be sure to mix it 50/50 with water.
Sorry! Perhaps someone else knows a bit more.
 
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Old 07-30-10, 04:08 PM
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Being the husband of an organic gardener, I have to side with her and use Sierra. It is propolyene glycol rather than ethylene glycol. The former is more environmentally friendly and won't kill your dogs, cats, chickens, ducks, etc. like ethylene glycol will. It is also approved for GM aluminum engines so it is similar to the green stuff and orange stuff.
Mick, you could always go to Wallyworld and pay extra for the 50/50 mix....duh, antifreeze is $8.95, and 50/50 is $7.95......so you are paying $12 for the 50/50 since half of it is water.
 
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Old 08-03-10, 08:54 PM
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I was able to purchase Zerex original green @ Grainger. Thanks for all your suggestions and helpful comments
 
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Old 08-03-10, 09:16 PM
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just finished artyicle on anifreezes in pop mechanics

they are adamant about not mixing OEM antifreeze with anything else and using only up to the specs one. they say, seals and o-rings in the system will fail if not the right additives are used.
also, they say there zerex original for asian cars, per pop mechanics, the only aftermarket substitute to OEM one that is ok to use.

here ya go:


http://www.popularmechanics.com/cars...?click=main_sr



Choosing The Right Coolant
By Paul Weissler

article is allowed to be shared and reproduced for none commercial use.

0diggsdigg
March 1, 1999 12:00 AM
You've got the hood up for the first underhood check in a while, which isn't surprising in this era of self-service gas. Checking the coolant level, you see that it's down. You don't carry a jug of antifreeze with you, so instead of doing anything, you just worry about it until you get home. Actually, you realize that it's finally time to change the whole system, not just top up.

At least the auto parts store is on the way home, all the better to pick up a couple of jugs of antifreeze. But what kind? The parts store now stocks three colors: yellow, green and orange. Huh? Isn't all antifreeze green? Isn't it all the same?



Bad News, Good News

The bad news is that it doesn't come down to color matching. Isn't all antifreeze compatible? Sorry, but it isn't. There are a few cases where you can get a fast case of corrosion, some where the water pump can be both eroded and corroded to an early death, and a lot of cases where you can shorten the effective life of the antifreeze. Antifreeze itself (most commonly a chemical called ethylene glycol) doesn't wear out–ever–but the key ingredients are the rust and corrosion inhibitors, and they get used up. The most common inhibitors, silicates for aluminum protection, are used up faster than others. That's why some new cars (all General Motors, Mercury Cougar, VW/Audi models) have red or orange antifreeze with a new class of inhibitors, called organic acids. Examples of U.S. brands with these organic acids: Havoline Dex-Cool and Prestone Extended Life, both recommended for five years or 150,000 miles. That's the good news.

Fill 'Er Up

How about just pouring orange antifreeze into every cooling system, say, yours? Sorry, but it's not that simple. The new organic acid antifreezes may be used only if the cooling system has an aluminum radiator (rather than copper-and-brass).

However, let's assume the reason you're thinking of a coolant change is because you're changing a cooling system part (pump, radiator, heater, thermostat housing) on a system with a conventional coolant, not an organic acid orange or pink. In that case, don't change to organic acid orange, even if the part you're installing is aluminum. Use a fresh fill of familiar U.S. yellow/gold or green silicated antifreeze.

The two orange extended-life antifreezes are compatible with each other, with what's factory-fill in GM ca rs and the '99 Mercury Cougar, and with the pink in VW/Audi cars. However, they're not compatible with a special orange antifreeze in 1998-99 Chrysler L/H cars (Dodge Intrepid/Chrysler Concorde and 300M), a special "hybrid" mix of organic acids and silicates. The green in most Japanese cars contains no silicates, so it's not the same as the green in the parts store. The yellow in some European cars contains some silicates, but it's very different from yellow Prestone, the top-selling U.S. brand. And then there is red antifreeze used by Toyota, and blue used on some European and Korean cars.

Freshen Up That Cup For You, Sir?

What about just topping up a system that's low? What kind should you use? If the system (except for Chrysler L/H) has orange or pink, use Prestone or Havoline orange for top-up. All you have on hand is regular U.S. yellow/gold or green? Well, if you're desperate, use what you've got, because it's better than running low o n coolant and possibly overheating. But the mixture is shortening the life of the antifreeze. By how much? It would take lab tests to tell, so the best deal is to do the equivalent of a "retrofit." Can you retrofit all systems? Sorry, the answer is no. What about draining green or yellow/gold from the radiator and refilling with orange? Is that considered a "retrofit"? No, and you'd better not try that, either.

What if the system has Japanese green, Toyota red, Korean or European blue, or European yellow? As we noted, European and Korean formulas have silicates, so U.S. green or yellow/gold is all right, but it slightly compromises the extended life formulas some have. Typically all that means is: Change at 30,000 instead of 36,000 miles. The Japanese green and red antifreezes have no silicates, but they are very different from U.S. orange. If you really drain out the old antifreeze from any of these systems (thoroughly rinse the system with fresh water), you certainly can refill with a U.S. yellow/gold or green silicated antifreeze.
 
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Old 08-10-10, 02:35 PM
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Dang, I just topped my 1955 Ford 640 tractor up with green. Hope it wasn't Japanese green. Not sure how it will react to whatever green it was in there originally. Sure glad I didn't use the yellow or orange. Wonder what color it would turn the green???
Basically you should check the specifications for your vehicle and use what it calls for. Propolyene glycol doesn't adversely affect anything on aluminum engines/radiators. That is why I use it, besides being less harmful to animals.
 
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Old 08-10-10, 03:12 PM
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Some Volkswagens use a red antifreeze that is permanent and never needs changing.
 
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