Bearing

High oil pressure readings can be caused by several things. In general, it's not as big a concern as low oil pressure, because it's less likely to cause damage. One exception to that rule is too much oil in the engine. That condition can cause seals to break from the extra pressure. In some cars, oil pressure runs higher when the engine is first started. Because at lower temperatures, the oil is thicker, producing more pressure. A faulty oil sender switch can also give a reading that shows pressure to be too high. Different oil viscosity can cause high oil pressure, too.

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The most obvious sign of engine low oil pressure might come from a gauge or light. Most cars are equipped with either an oil pressure gauge or a low pressure warning light, and some cars have both. Relying just on a gauge or light, though, can be a problem because the sender can fail or the light can burn out. A clattering noise from the engine can be an indication of low oil pressure. Particularly if it gets worse at lower engine speeds. In the case of even lower oil pressure, the sounds can be more like clanging or knocking.

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There are many factors that can lead to engine bearing failure, and once the bearings begin to fail--there are some tell tale symptoms you should be aware of. If you are experiencing any of the following symptoms of engine bearing failure, you should get your vehicle to a qualified mechanic as soon as possible. As with many other types of car engine repair, early detection of bad bearings can save you money by addressing the problem before it gets out of hand.

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Ball Bearings are a type of rolling-element bearing that uses balls to maintain the separation between the moving parts of the bearing. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. Radial ball bearings can support moderate radial loads and moderate axial loads (parallel to the shaft). They can operate at high speeds very easily. Ball bearings with shields or seals for protection can be lubricated to last for the operating life. Sometimes ball bearings are also called “deep groove ball bearings.”

If your vehicle has a worn out main engine bearing or rod bearing, your car will usually display some or all of the common symptoms:

A knocking noise in the engine can be very hard to diagnose, but there are a few tricks that can help. First, buy a stethoscope. Next, you can eliminate accessories like the air conditioning unit, power steering pump and alternator, by pulling the belts off one by one. If the knock disappears, the problem is in that unit. If it's still there, it is elsewhere. Use the stethoscope along all parts of the engine to pinpoint the location. If the problem gets worse at higher engine speeds, it is a strong indicator that the problem is a bad rod.