grege Posted July 16, 2018 Report Share Posted July 16, 2018 Two cmax household now. I've noticed the coolant reservoirs (both the engine and the inverter controller coolant reservoirs) seem to "lose" coolant slowly (the inverter moreso since it seems to have a "pinhole" in the center cap). How often are people having to add coolant to theirs??? Weird to me that Ford says if at the line for MIN or below, top off coolant... Is coolant consumption that common for the cmaxes in general??? Thanks!Greg Quote Link to comment Share on other sites More sharing options...
SnowStorm Posted July 16, 2018 Report Share Posted July 16, 2018 In 160k miles I've added fluid to the inverter twice, I think. Don't recall about the engine - maybe once. Quote Link to comment Share on other sites More sharing options...
Bill-N Posted July 16, 2018 Report Share Posted July 16, 2018 My experience is similar; once in 70K miles. Quote Link to comment Share on other sites More sharing options...
grege Posted July 19, 2018 Author Report Share Posted July 19, 2018 Added a couple ounces of distilled water to bring both coolant levels to max and ordered ford prediluted coolant to have on hand should more be needed. Time will tell... Greg Quote Link to comment Share on other sites More sharing options...
ptjones Posted July 19, 2018 Report Share Posted July 19, 2018 I don't think I have ever added fluid to either in 205k miles, I have been having FORD do my oil changes about every 30K miles lately so it is possible they may be doing something, but probably not. On my way to FORD to pickup my car from having oil change done and will check levels. :) Paul grege 1 Quote Link to comment Share on other sites More sharing options...
ptjones Posted July 23, 2018 Report Share Posted July 23, 2018 Checked levels all appear the same and they didn't note adding any fluids. :) Paul Quote Link to comment Share on other sites More sharing options...
scottwood2 Posted November 20, 2018 Report Share Posted November 20, 2018 Is everyone buying the Ford coolant? Mine is down a little now to where I need to add some. 60K miles Thx Quote Link to comment Share on other sites More sharing options...
grege Posted November 21, 2018 Author Report Share Posted November 21, 2018 (edited) Is everyone buying the Ford coolant? Mine is down a little now to where I need to add some. 60K miles Thx It was way more than I needed, but yeah, I went ahead and bought a gallon of Ford's prediluted coolant from Amazon. I figure every couple years I'll siphon out and replace the inverter coolant to make use of some of the excess. Another option would be if you were getting warranty work or a tire rotation or... (with a ford dealer service coupon of course), ask them to top all fluids while there. Greg Edited November 21, 2018 by grege Quote Link to comment Share on other sites More sharing options...
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