Here's a suggestion for a test I learned from experience with a blown head gasket on a 4650. Get in the cab and turn the heater on high. Is there heat? If no heat, temporarily splice a section of clear hose into a heater hose, start the tractor. If you have air in the heater hose you have compression gases getting in the coolant.
The 4650 I'm talking about used 2 quarts of coolant a week. Otherwise it ran fine. The heater had no heat in the winter and That is what led to the discovery of the bad head gasket by using the clear heater hose. Let us know what you find. Jim
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Today's Featured Article - Machine Shops - by Curtis Von Fange. It is a story that repeats itself countless times. In the process of rebuilding a particular section of the tractor there is a broken part for which a replacement cannot be found. The parts houses find in their catalogue that it is unavailable. The dealerships call it a discontinued part. Salvage yards define it as hard to find or, even worse, rare. Everyone on the NET says, 'what is it?' But don�t despair there is another avenue that can be used to get that piece repaired. The local mach
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