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-   -   How often to replace green coolant (https://www.gmforum.com/1992-1999-91/how-often-replace-green-coolant-298390/)

SignOfZeta 03-13-2011 01:49 PM

How often to replace green coolant
 
How often should I be flushing the green coolant from my radiator? I've heard 2 years/12,000 miles, 2 years/15,000 miles, and 2 years/30,000 miles.

In the past, ever since I flushed out my Dex, I've done fluid changes with needed service (radiator crack, tensioner swap, cam install, etc.). But I'm coming up on 15,000 miles without springing a leak, so I thought I'd check. :thumbup2

Mike 03-13-2011 03:09 PM

According to our 1997 owners manual, it says every 150,000miles or 60 months. That seems a bit long considering how much gunk and crap that can build up in that amount of time. Hope this helps.

sawgunner 03-13-2011 03:22 PM


Originally Posted by Mike1995 (Post 1514819)
According to our 1997 owners manual, it says every 150,000miles or 60 months. That seems a bit long considering how much gunk and crap that can build up in that amount of time. Hope this helps.

hey mike that's Dexcool in a 97

Mike 03-13-2011 03:36 PM

Duh! Thanks for the heads up Steve.

sawgunner 03-13-2011 03:41 PM

i'd go with 3/36 but that's me

BillBoost37 03-13-2011 05:55 PM

I'd go with what the bottle said. If you used an anycolor than you may have a good amount of time on it.


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