Re: "Orange" anti-freeze

From: Tom (SilverEightynine@aol.com)
Date: Sun Dec 10 2000 - 23:39:42 EST


Uhhh thanks for that info Bob... <looks for advil bottle>

heh heh

Bob Tom wrote:

> At 02:18 PM 12/10/00 -0800, you wrote:
> >My 1997 Owner's Manual says "use a high quality ethylene glycol based
> >anti-freeze coolant with a silicate inhibitor". The extended life
> >anti-freeze I put in says it contains no silicates, but uses premium rust
> >inhibitors. Should I be concerned? I always use distilled water and not
> >tap water. Anyone know the difference between silicate rust inhibitors and
> >premium rust inhibitors-if any, and should this matter on a V8 radiator and
> >water pump? Thanks Jay
>
> Just for information ... no personal opinion given.
>
> The most common inhibitors in anti-freeze are called silicates and they are
> used to protect the aluminum and other parts of the engine's cooling system.
>
> Within the past few years, new types of corrosion inhibitors have been
> developed
> and they are called organic acids. Cars made by General Motors, the
> Mercury Cougar
> and VW/Audi cars use antifreeze that contains organic acids. To
> differentiate it
> from the traditional antifreeze, it is colored either red or orange and it
> is supposed
> to last 150,000 miles or five years. (By the way, it's pink in Audis).
> That is longer
> than the traditional antifreeze. Havoline Dex-Cool and Prestone Extended
> Life are two
> brands that contain the new organic acids. Keep in mind that you're not
> supposed to mix
> the new red/orange antifreeze with the old green, yellow/gold type.
>
> NOTE: Just to confuse things a bit more, 1998-99 Chrysler LH cars
> (Intrepid/Concorde/300M)
> use a different type of orange antifreeze, which is a mixture of silicates
> and organic
> acids. It isn't compatible with the other red or orange antifreezes and
> you can only
> get more of it from your friendly Chrysler/Dodge dealer.
>
> There's more. The green antifreeze used in most Japanese cars does not
> contain silicates
> and it's not the same as the old style green, yellow/gold antifreeze. The
> yellow that is
> used in some European cars is different from our yellow, even though it
> contains silicates.
>
> And let's not forget the red used in Toyota cars and the blue that is used on
> some European and Korean cars.
>
> The question that most people would probably ask is, "What do I do in an
> emergency?"
> If all you have is the older green, yellow/gold antifreeze, use it, because
> it's better
> than overheating or freezing. However, it's best to use whatever
> antifreeze your car
> came with originally.
>
> Can you use the newer red/orange antifreeze (the one GM cars come with) on
> other cars? You're not supposed to because the red/orange antifreeze is
> specifically designed to be used on cars that have aluminum radiators
> instead of
> radiators made from copper and brass. The red/orange antifreeze will not
> provide
> the protection needed for the lead solder used in copper and brass
> radiators. So
> what it comes down to is, if your car has an aluminum radiator, stick with
> the red
> or orange antifreeze.
>
> As for all the other colors (except the special Chrysler orange), you can
> use the
> traditional green, yellow/gold antifreeze in your car. With the
> antifreezes that
> have silicates -- the Japanese green, the Toyota red, and the European yellow
> and blues -- you can use the traditional green, yellow/gold. You may be
> compromising the longevity of some of the original equipment antifreeze,
> though. As for the Japanese red or green that doesn't have silicates, you
> can use
> the common green, yellow/gold antifreeze but it's best to do so after the
> system
> has been flushed out and thoroughly rinsed.
>
> And you thought that there were no standards for the FL manual
> recounts :-)
>
> Bob

--
Tom
http://members.aol.com/silvereightynine
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