4 Symptoms That Indicate Your Car’s Engine Bearings Already Need Replacing

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A bearing is a mechanism that is mainly used to reduce friction between two components. This can be in an industrial machine, a car, a toy, etc. And as a consequence of reducing friction, it also reduces wear.

In addition to bearings, also known as bearing, bushing, or ball cage. This element is very important and its good condition is essential for everything to be working properly.

It is important that you take care very seriously. the engine bearings, since a damaged transmission or a totally broken motor can be the result of a failure in the bearings of the motor. So if you detect any symptoms that indicate that the bearings are in poor condition, you should repair or replace them as soon as possible.

That’s why, here we tell you four symptoms that indicate that your car’s engine bearings already need to be replaced.

1.- Engine noise

A symptom indicating that there is a fault in the motor bearings It’s the noise in the engine. Connecting rod knock, which is a stabilized hammering that increases linearly with RPM, occurs when excessive clearances as a result of bearing wear cause the connecting rod big ends to strike against the crankshaft at the bottom and top of the piston stroke . So surely rod knock is a symptom of worn motor bearings.

2.- Loss of oil pressure

Loss of oil pressure is also one of engine bearing failure symptoms what you should know Normally, the oil pump flows a fixed amount of fluid and if there are some small leaks in your engine, such as leaks in the space between the engine bearings, the rocker arm or the hydraulic lifter, your engine will lose oil pressure due to the oil comes out of the oil channels.

Therefore, the clearancesexcessive s between the bearings as a result from excessive bearing wear will cause a loss of oil pressure, especially at low RPM when the pump is running at its lowest speed.

3.- Metal shavings in the Oil

Metal shavings in engine oil is another symptom of engine bearing failure. Normal bearing wear produces a likely amount of aluminum dust that has a silvery color in oil. So when you check the oil level, you may see something like a metallic sheen on the dipstick, but this powder should be just that, no more, a powder that can’t turn into any other grain of aluminum.

But when motor bearings suffer from oil starvation or overheating, they will scuff and form fine ribbons or chips. So when you check your level or change your oil, if you see aluminum strips or chips in your oil or stuck to your dipstick, you probably have a worn or broken bearing.

4.- Copper shine in the oil

There is also the copper sheen in the oil. Many bearings are designed with 3 layers: a steel back plate, a copper layer in the middle, and an outer layer of soft aluminum. Since copper is softer but more slippery than aluminum, it is used in these bearings to provide the owner with a last line of protection before the bearing hits the steel layer or stops completely.

The life of the copper layer is approximately 1,000 miles to 2,000 miles, giving you the opportunity to discover bearing problems before they damage your engine. When the bearing wears down to the copper layer, it will let you know by sending an alert signal in the form of copper fouling in the oil.


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