Hi Vanagon Types; Once again I am hoping the combined wisdom of this group might help me assess an issue with my cooling system. I was checking over the system to get ready for cold weather, and in checking the coolant level, which was fine, I saw something I have not seen before. The coolant looked dirty and there were tiny black bits or flakes floating at the top. When I put my finger in the tank it does not come up coated as with oil, it is just wet. The black bits are solid and feel like bits of rubber. I am guessing a hose is breaking down. There is no leak, the engine temp is normal and I am not losing coolant. I am also not losing oil. Quick background, I swapped the engine 6 years ago for a GoWesty 2.3 and at that time replaced all the hoses including installing steel pipes on the two lines to the radiator. I do not recall doing the heater hoses. A visual inspection of the hoses shows nothing, they look fine on the outside. If it is a hose, how do I find it? Alternatively, do I just flush the system and run it until something obvious leaks, or am I risking plugging my radiator with debris, or maybe worse? Thanks in advance for any suggestions. Dave B Boise |
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