How often to replace green coolant - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Reply
 
 
 
Thread Tools Search this Thread
Old 03-13-2011, 02:49 PM   #1
Senior Member
Certified GM nut
Thread Starter
 
SignOfZeta's Avatar
 
Join Date: Mar 2005
Location: New Milford, CT
Posts: 2,284
Thanked 16 Times in 13 Posts
SignOfZeta has a spectacular aura aboutSignOfZeta has a spectacular aura about
Default 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.
SignOfZeta is offline   Reply With Quote
Old 03-13-2011, 04:09 PM   #2
Senior Administrator








Certified Car Nut
 
Mike's Avatar
 
Join Date: Jul 2003
Location: Horseheads, NY
Posts: 15,649
Thanked 1,001 Times in 777 Posts
Mike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond repute
Default

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.
Mike is offline   Reply With Quote
Old 03-13-2011, 04:22 PM   #3
Senior Member
True Car Nut
 
sawgunner's Avatar
 
Join Date: Jan 2009
Location: Dover, NH
Posts: 7,122
Thanks: 0
Thanked 0 Times in 0 Posts
sawgunner is on a distinguished road
Default

Quote:
Originally Posted by Mike1995 View Post
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'* Dexcool in a 97
sawgunner is offline   Reply With Quote
Old 03-13-2011, 04:36 PM   #4
Senior Administrator








Certified Car Nut
 
Mike's Avatar
 
Join Date: Jul 2003
Location: Horseheads, NY
Posts: 15,649
Thanked 1,001 Times in 777 Posts
Mike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond repute
Default

Duh! Thanks for the heads up Steve.
Mike is offline   Reply With Quote
Old 03-13-2011, 04:41 PM   #5
Senior Member
True Car Nut
 
sawgunner's Avatar
 
Join Date: Jan 2009
Location: Dover, NH
Posts: 7,122
Thanks: 0
Thanked 0 Times in 0 Posts
sawgunner is on a distinguished road
Default

i'd go with 3/36 but that'* me
sawgunner is offline   Reply With Quote
Old 03-13-2011, 06:55 PM   #6
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

I'd go with what the bottle said. If you used an anycolor than you may have a good amount of time on it.
BillBoost37 is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
How Often Do You Replace Your Wiper Blades? Soft Ride General GM Chat 23 03-22-2014 05:58 AM
How often should replace Plugs and Wires? DeathDealer General GM Chat 6 02-15-2011 04:47 PM
Double clean lean mean and green. This doesn't happen often willwren Your Ride: GM Pictures & Videos 21 05-01-2007 07:21 PM
Green car, green car, shop, and a few parts..... willwren Your Ride: GM Pictures & Videos 24 02-25-2007 11:46 PM
Converting from dexcool to green coolant? NERV General GM Chat 2 06-21-2006 04:36 PM


Tags
antifreeze, coolant, flush, flushing, maintenance, radiator

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 09:17 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.