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Dexcool coolant warning
Jeep and Willys Vehicles Discussions on Jeep and Willys vehicles. (rec.autos.makers.jeep+willys)
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#11
 
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Re: Dexcool coolant warning -
05-18-2007
, 11:01 PM
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For DECADES we used the same green ethylene glycol coolant. The price was reasonable, it worked well, and was harmless to the environment as long as you didn't let critters get to it. Then the government screwed everything up (as they do SO well). Does anyone still make the good old fashioned coolant anymore? I want to use it in my 96 Cherokee and my Studebakers. Or is real coolant considered an environmental hate crime these days? Jeff DeWitt Stupendous Man wrote: After learning that silicates (powdered quartz) in coolant kill Honda bike waterpumps, I have been running Dexcool in all my vehicles, not wanting to spend $30 for Hondaline pre-mix once a year. I didn't think too much about it when my VW diesel blew a headgasket last fall with less that .0015 In. warpage. I have ben running Dexcool in my Goldwing for 3 years, and it blew a headgasket last month. I found less than .001 In. warpage and the gaskets where they were free-standing in coolant had all the material either gone or blistered up badly. A short Google turns out that lots of people have had similar problems. I changed the coolant in the other 6 vehicles. |
#12
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Zerex Green is supposed to be close. Autozone has it or can order it for you. http://www.valvoline.com/pages/produ....asp?product=8 Earle "Jeff DeWitt" <JeffDeWitt (AT) nc (DOT) rr.com> wrote in message news:464e7152$0$15097$4c368faf (AT) roadrunner (DOT) com... For DECADES we used the same green ethylene glycol coolant. The price was reasonable, it worked well, and was harmless to the environment as long as you didn't let critters get to it. Then the government screwed everything up (as they do SO well). Does anyone still make the good old fashioned coolant anymore? I want to use it in my 96 Cherokee and my Studebakers. Or is real coolant considered an environmental hate crime these days? Jeff DeWitt Stupendous Man wrote: After learning that silicates (powdered quartz) in coolant kill Honda bike waterpumps, I have been running Dexcool in all my vehicles, not wanting to spend $30 for Hondaline pre-mix once a year. I didn't think too much about it when my VW diesel blew a headgasket last fall with less that .0015 In. warpage. I have ben running Dexcool in my Goldwing for 3 years, and it blew a headgasket last month. I found less than .001 In. warpage and the gaskets where they were free-standing in coolant had all the material either gone or blistered up badly. A short Google turns out that lots of people have had similar problems. I changed the coolant in the other 6 vehicles. |
#13
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#14
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In article <464e7152$0$15097$4c368faf (AT) roadrunner (DOT) com>, Jeff DeWitt <JeffDeWitt (AT) nc (DOT) rr.com> wrote: #For DECADES we used the same green ethylene glycol coolant. The price #was reasonable, it worked well, and was harmless to the environment as #long as you didn't let critters get to it. # #Then the government screwed everything up (as they do SO well). # #Does anyone still make the good old fashioned coolant anymore? I want #to use it in my 96 Cherokee and my Studebakers. # #Or is real coolant considered an environmental hate crime these days? # #Jeff DeWitt Don't go by color alone. It's just a dye added in by the coolant producer. Look at the specs that the stuff meets--Chrysler MS 7170, Chrysler MS 9769, Ford ESE-M97B44-A, Ford WSS-M97B51-A1, etc. Two coolents can have the same specs and be two different colors and likewise, be the same color and not be compatable. Ford G-05 and Zerex G-05 are yellow. Chrysler G-05 and GM DEX-COOL are both orange. Zerex G-05 meets both the Ford and Chrysler standards. Chrysler G-05 and GM DEX-COOL are totaly incompatable. As a side question, the rental Ford I drove around recently had a "no orange" sticker on the coolant overflow bottle. Definatly no DEX-COOL. But does it also mean no Chrysler G-05 since Chrysler uses 10% recycled ethylene glycol and Ford does not? /herb |
#15
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I think you're confusing "silicates" (cleaning agents) with "silica" (quartz). The former is in your dishwasher detergent, the latter at the beach. Actually, I don't know that Dex-Cool even contains silicates: |
silicates.
Prestone has described silicates as powdered quartz, maybe that's wrong but
that's what their engineer said.
#16
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I think you're confusing "silicates" (cleaning agents) with "silica" (quartz). The former is in your dishwasher detergent, the latter at the beach. Actually, I don't know that Dex-Cool even contains silicates: I think you need to re-read the original post. I switched to dex to avoid silicates. Prestone has described silicates as powdered quartz, maybe that's wrong but that's what their engineer said. More than you ever wanted to know, unless you are a geologist that is: |
http://en.wikipedia.org/wiki/Silicate
Silicate is the basic building block for almost all kinds of rock. There
are about a zillion different ones, some real soft and some hard like
quartz. Saying that something has "silicate" in it, tells you nothing about
what it will actually do to engine cooling system components. If it had
quartz in it, that would be bad. It wouldn't stay in suspension either, as
far as I know.
The Zerex chart that I posted a link to says that their G-05 is good for
pre-1996 Honda, and their Dex-Cool is good for 1996 and later. For Jeeps
you want Green for pre-2001 and G-05 for 2001 and later. My 1999 Honda
Civic came with Green in it. It now has Honda Genuine blue.
Cheers,
Earle
#17
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Prestone has described silicates as powdered quartz, maybe that's wrong but that's what their engineer said. |
which inhibits corrosion of aluminum. Same as in automatic dishwasher
detergent. Nothing like quartz.
#18
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"Stupendous Man" <spam (AT) trap (DOT) com> wrote in message |
Quote:
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Silicate is the basic building block for almost all kinds of rock. There are about a zillion different ones, some real soft and some hard like quartz. |
Sorry, but this old science teacher just couldn't resist....
Dan
Quote:
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Saying that something has "silicate" in it, tells you nothing about what it will actually do to engine cooling system components. If it had quartz in it, that would be bad. It wouldn't stay in suspension either, as far as I know. The Zerex chart that I posted a link to says that their G-05 is good for pre-1996 Honda, and their Dex-Cool is good for 1996 and later. For Jeeps you want Green for pre-2001 and G-05 for 2001 and later. My 1999 Honda Civic came with Green in it. It now has Honda Genuine blue. Cheers, Earle |
#19
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On Mon, 21 May 2007 17:35:25 -0600, "Earle Horton" earle (AT) angloburgues (DOT) usa> wrote: "Stupendous Man" <spam (AT) trap (DOT) com> wrote in message Silicate is the basic building block for almost all kinds of rock. There are about a zillion different ones, some real soft and some hard like quartz. Oops-just to get picky :>, quartz is not a rock, it's is a mineral. Sorry, but this old science teacher just couldn't resist.... |
forming the earth's crust"
http://www.bartleby.com/65/ro/rock.html
Quartz is a mineral, that can be formed into rocks. Most people wouldn't
pay any attention to the difference, if there is one. Besides, if you look
closely, I wasn't saying that quartz is a rock, only that it is hard.
Earle
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