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Old Nov 29, 2003 | 09:54 AM
  #1  
Yeller81USNRet's Avatar
Yeller81USNRet
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From: Grafton WV
Default Coolant

Is it Advisable to mix Prestone Anti Freeze with the Dex-Cool coolant.
This is in my 98 Olds. Intrique and it still has the original coolant in it .
Do you guys think the coolant will be OK for a West Virginia winter . It was like 28 out this morning and I know it will get a lot colder ..
Thanks in advance..


:steering:
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Old Nov 29, 2003 | 11:23 AM
  #2  
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From: Boxford Mass
Default Re: Coolant (Yeller81USNRet)

Not supposed to mix them without a complete system flush or the two create a "gel" that causes havoc on your system. Do a search in the Archives on "dexcool"...
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Old Nov 29, 2003 | 11:26 AM
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From: Camino CA
Default Re: Coolant (Yeller81USNRet)

If you mix the green and orange coolants together you will end up with a brown pile of sludge in your radiator and engine. Prestone makes a Dex-Cool approved coolant that usually costs about $8 a bottle. Dex-Cool is a better coolant than the old greeen stuff, it's supposed to last twice as long, and cause far less corrosion, especially on aluminum radiators.
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Old Nov 29, 2003 | 01:50 PM
  #4  
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zwede
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From: Plano TX
Default Re: Coolant (Yeller81USNRet)

Depends on which "prestone anti-freeze" you are talking about. If its the bottle that says "dex-cool approved" and is orange than yes, you can mix it with GM dex-cool. If the prestone stuff is green you'll end up with a witches brew that may well plug up your entire cooling system.

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Old Nov 29, 2003 | 10:07 PM
  #5  
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comp
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From: eville in
Default Re: Coolant (zwede)

mixing the two different anti-frez. can cause a chemical reaction, my daughter
had hubby top of coolant with (green) on top of long life (pink) took about a
year and the steel coolant line under intank from water pump to back of block
let go (rusted) 4.6 2v in a 96 couger. it got paper thin before it let go, got info
from a tech. a a dealer ship
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Old Nov 29, 2003 | 11:14 PM
  #6  
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LAvetteman
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From: South Central Louisiana
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Default Re: Coolant (comp)

:iagree: Stick with what the system had in it before.
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Old Nov 30, 2003 | 04:28 AM
  #7  
Yeller81USNRet's Avatar
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From: Grafton WV
Default Re: Coolant (LAvetteman)

Thanks guys. Glad I asked before I dumped it in.
You all SAVED me a big hassle.
Thanks Again.
:steering:
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