tmw188 Posted June 19, 2022 Share Posted June 19, 2022 So I had a coolant analysis done and it’s too rich of concentrate. It’s suggested thru their math and my coolant capacity that I drain 3 gal out and top off with water. I can get roughly two gallons from the reservoir tank and refill there. I understand it is not ideal procedure but will it eventually mix? I’m not concerned about cold weather for many mo affecting that reservoir filled with water. Link to comment Share on other sites More sharing options...
jacwjames Posted June 19, 2022 Share Posted June 19, 2022 The reservoir is a surge tank and there is a constant flow of antifreeze through it. My 2002 Windsor 350 ISC has a small hose coming from the top of the engine and going to the top of the surge tank. There is a constant flow of coolant, at a pretty good flow, several gallons per minute. If you put "distilled" water in there it will mix quickly, nothing to worry about. If you need drain a little more coolant there is a drain on the bottom of the radiator. 1 Link to comment Share on other sites More sharing options...
tmw188 Posted June 19, 2022 Author Share Posted June 19, 2022 Good to know thanks for the info. I’ve had to do this once before but was curious how long it would take to mix. 1 Link to comment Share on other sites More sharing options...
jacwjames Posted June 19, 2022 Share Posted June 19, 2022 Better to ask/confirm then take a chanc Take a good look at the surge tank, the original design was prone to cracking/failure. Mine had small cracks in it when I bought in 2008 that were weeping. I got creative and used gorilla glue to fix, this lasted until ~2014 and the cracks started to weep some more so I bite the bullet and replaced with a similar design but one made of nylon which is suppose to be much more robust. Mine has been in ~8 years and still looks like new. Veurinks use to sell a replacement nylon tank but not any more, they only offer a steel https://shop.findmyrvparts.com/monaco-rv-steel-surge-tank-overflow-tank-01806583S-p/190014s.htm Link to comment Share on other sites More sharing options...
tmw188 Posted June 19, 2022 Author Share Posted June 19, 2022 (edited) Well I’m good there, it’s tig welded aluminum tank. Thanks for the link. Edited June 19, 2022 by tmw188 Link to comment Share on other sites More sharing options...
jacwjames Posted June 19, 2022 Share Posted June 19, 2022 Yup, your good to go. When I replaces mine there weren't many options as far as metal tanks and the ones that were available were pricey. Link to comment Share on other sites More sharing options...
tmw188 Posted June 19, 2022 Author Share Posted June 19, 2022 Yeah that’s a yr old pic I snugged up the sight glass fitting seeping and replaced the air filter since then. Link to comment Share on other sites More sharing options...
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