Hi All,
In my coolant reservoir (degas bottle??) mu coolant has a brown, foam head , please note the pics.
The guys at the diesel shop have no idea what this is. They're very certain its not oil or some other additive (such as Stop Leak, etc.) but they are at a loss what could be causing this. They did a complete cooling system flush and filled with new Ford Premium Gold @ 400 miles ago; the foam and brown color has returned. My temp never went above normal during the 400 miles since the flush, this include two trips up the Sierra's and back.
Has anyone experience anything like this or know what could be causing it?
In another thread, daveb stated:
Quote:
My Hydronic is tied to my coolant system ...
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I also have a hydronic (although I have not run it since purchasing the van in May), can this be part of the issue?
Thanks a bunch,
james