Posted 11/23/2024 08:43 (#10979279 - in reply to #10979256) Subject: RE: 4850 John Deere Oil in Water
ecmn
What color is the oil in the radiator? If it's black it's a very good chance it is the oil cooler. Test it again in hot water. If it's a gray sludge, you have a pin hole in a liner somewhere in the piston travel. The pistons are forcing oil through the pin hole as they move up and down.