When dealing with refrigeration or air conditioning compressors that employ an oil pump, many service technicians confuse net oil pressure with oil pump discharge pressure. However, it is of utmost ...

Your engine’s oil pressure is one of those things that needs to be just right. If it’s too high or too low, it can be indicative of other problems. This is especially true with high oil pressure, as ...

Many larger refrigeration and air conditioning compressors — usually over 5 horsepower — have forced oiling systems. These compressors contain an oil pump located at the end of the compressor’s ...

Too much oil can cause low oil pressure just like too little oil. A ticking sound or a low oil-pressure light could indicate too much oil is in the engine. Drain off excess oil to avoid damage to your ...