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ICQ>
Excerpt of message that was posted on the old VCOA mailing list:
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From: "Posluszny, Walt (posl)"
Date: Sat, 10 Jan 1998 18:23:38 -0800
Subject: "Volvo Coolant"
"H",
Volvo currently uses an antifreese that is sometimes referred to
as a "Dex-Cool' type coolant. It is low in silicates, and a bunch of
other things that 'typical' coolants contain. These new coolants allow
Volvo to say they are long life and rarely need to be changed. They
reduce corrosion to almost nothing over it's life.
I don't know what year they went to these coolants, however, if
your vehicle has this 'new' type of coolant, you would be well advised
to use an approved replacement. Texaco's web site discussed the
'Dex-Cool' type coolant fairly well. I'm sure most other major suppliers
of AF now make this type of coolant.
Walt
> From: "C. & H. Solt"
> Date: Fri, 09 Jan 1998 20:43:00 -0500
> Subject: 850 Coolant
>
> I wanted to top off my coolant reservoir in a 1994 850. My thought
> was
> to just use my choice of coolant and add a 50/50 mixture of water and
> coolant(ethylene glyco). I note that on the reservoir there is a
> fancy
> sign talking about only using Volvo coolant. Is this simply a
> marketing
> ploy or is there something unique about the volvo coolant in the 1994
> 850 that makes it not compatible with standard ethylene glyco based
> coolant. i.e. Peak, Zerex, Preston, ETC.
>
> H. Solt
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The Texaco Web page describing this coolant is:
http://www.texaco.com/tlc/sitemap/coolant_main.htm
Click on the link "Havoline DEX-COOL Extended Life Anti-Freeze/Coolant".
Excerpt from the Web page describing this coolant ...
* Meets GM6277M--General Motor's new Extended Life Coolant
specification
* 5 year or 150,000 miles service interval
* Provides effective, long term corrosion protection for aluminum, brass, cast
iron, steel, solder and copper
* Protects against winter freeze up and minimizes the chance of summer boil
over
* Compatible with water pump seal materials and minimizes the formation of
abrasive dissolved solids
* Storage stable for at least eight years
* No silicate dropout or gel formation during use or storage
* 100% biodegradable in its pure unused form
* Excellent heat transfer properties
* Nitrite, borate, phosphate, nitrate, and amine free
* Outstanding hot surface aluminum protection
* Superior protection in high operating temperatures
* Compatible with conventional antifreeze. Dilution with conventional
antifreeze will reduce extended life benefits. Texaco recommends that this
product not be diluted by more than 10% with conventional coolants.
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