Another test I use is fill radiator completely to the top, remove belt from water pump. Cold engine. Start engine and if coolant rises you have combustion leak. Don't look for bubbles as so many say as the leak may be way back in system and a bubble will take a long time to reach radiator. If pump is hooked up you can tell nothing unless leak is huge. The test is only good for about one minute as normal warming will cause coolant to rise. Rev the engine to get quicker results. An air test on each individual cylinder is also a very good test to pin down which cyl causing problem. Little harder to do but more conclusive test. I always hate tearing an engine down with out some confirmation as to what the problem actually is.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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