Take a pipe nipple that fits the block where the sending unit is screwed in. Braze the end shut that goes in the block put a coupling on the nipple and tighten it in as though permanent. Mark the nipple for top (high point toward the sky) and remove it and drill a 1/8" hole on the side with the mark (off center to assure air gets out). Turn it back in (with sealer) and put the coolant back in till it fills the coupling. Then install the dending unit (again letting air out till only coolant is leaking before tightening. This should isolate the unit from swings in temp and air bubbles. Cheap and easy!! Jim
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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