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Re: It is the old fashioned chartreuse anti-freeze Posted by Roger D [Email] (#1121) [Profile/Gallery] (more from Roger D) on Tue, 17 Jan 2017 05:28:00 In Reply to: It is the old fashioned chartreuse anti-freeze, MI-Roger [Profile/Gallery] , Tue, 17 Jan 2017 03:17:06 Members do not see ads below this line. - Help Keep This Site Online - Signup |
There have been comments on the C900 board that the current Prestone formula in not the stuff of the past. Over 20 years ago I had a new radiator in my C900. It started running hot after 8 years and 5 coolant flushes. It was clogged with soft white stuff. Phosphates ? I have pretty soft tap water. I would drain what I could. Then pull the thermostat and run hose water flush thru the top hose into the radiator until clear. Ditto the heater core.
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