GREEN COOLANT IN RADIATOR BUT ORANGE IN RESERVE ...

1998 Chevrolet Tahoe

Tiny

T!nk

March, 2, 2013 AT 9:49 PM

Green coolant in radiator but orange in reserve box. Will this cause a problem? I have heard dexcool will damage gaskets. Some will say mixing those colors won't cause harm but others say it will. Thanks in advance for any advice you provide.

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Tiny

ASEMaster6371

March, 2, 2013 AT 9:57 PM

Yes, it will turn into a gl and will cause all kinds of coolant system issue. Drain everything and refill with one type.

Roy

Tiny

T!nk

March, 3, 2013 AT 1:53 AM

Which color is best to use? I would like to avoid major repairs !

Tiny

ASEMaster6371

March, 3, 2013 AT 1:56 AM

Use the global coolant. Then it wont matter. Good stuff.

Roy

Tiny

T!nk

March, 3, 2013 AT 6:19 PM

So I am leaning more toward using the old fashion green since that's the color in the radiator. I found out they actually make green dexcool as well. This is a used truck and I have no idea what brand they used. If I simply drain and add regular green - will this be fine or will I need to get a flush. It is still winter time where I stay.I was wondering about the coolant that's in the engine block - I don't know if it stays or evaporates. Thanks for the help !

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