I have a John Deere backhoe with the external oil cooler mounted on the side of the engine block. I am told that allot of skidders use the same engine 4045T that is in my machine. Mine is leaking oil from the cooler, either from the gasket or the o-ring behind the cooler housing. Has anyone ever had this same leak with their skidders? If you have or know of someone who had, I would be interested to know what ended up fixing the leak. Gasket? O-ring? or both. Appreciate any input on this. Thanks I have attached a picture of the cooler. It is the black unit with the two heater hoses going into it.
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