engine antifreeze
2007 Holiday Rambler with a 325 cummins engine, what type antifreeze should I use in the radiator? Pulled some out of the overflow container and it seemed to be a green color. This antifreeze has ne...
Forum Discussion
JRscooby wrote:
Not RVs, but on trucks I have heard that not keeping the right chemicals in the coolant leads to pinholes in the liners, coolant leaking into crankcase or combustion chamber.
Does the engine know what box it is in?
This is true for ANY linered engine.
Again for the OP, if you do not know how long the coolant has been in there or what it is, just drain, flush and go back with a new-generation OAT-based coolant. Then forget about it for 6 years. At that point, you might test it to see if you can go another year.
