Some Known Alternator Problems
Machines that are used regularly suffer wear and tear
. Same holds true for the
alternator. If you drive your vehicle regularly then you need to inspect your
vehicle's internal parts on a regular basis. This way you can avoid serious
problems like your vehicle stopping in the middle of the road. If you are aware
of alternator problems then you will know when it is time to repair or replace
it. Finding a problem in vehicle is similar to a doctor finding an illness in a
patient. First you need to identify the symptoms. These symptoms will tell you
if the problem is with the alternator or with any other component.
Some of the alternator problems can be identified by simply observing the unit
closely, while other problems can be diagnosed only by using special tools and
equipments. In some cases, it may require opening the alternator. Generally,
there is some abnormal noise, malfunctioning of electrical components, or drop
in battery charge that indicates a problem with the alternator. If you notice
any such issue then immediately try to find the fault. If the alternator problem
is not rectified in time then it can damage other auto parts that are working
well.
Following are some of the common alternator problems:
Worn out Belts
This is one of the easiest to identify. The belt looks worn out and it
slips. It may also turn loose, affecting the performance of alternator. If the
alternator is not running at the standard speed then it will not provide the
right voltage. If proper voltage is not available then the battery will run out
of charge.
Abnormal Sound
Some alternator problems can be identified by carefully listening when the engine is running. If within the alternator, the rotor is falling then a
grinding noise can be heard. This indicates a faulty alternator. In some cases,
it may require complete replacement of the alternator.
Improper voltage
This can be checked only after disconnecting the battery connection. You will also need a voltmeter to check if the alternator is producing the right
voltage while running. Voltage also fluctuates depending on the acceleration and RPM. An alternator producing more than the required power can lead to battery overcharging problem. Similarly, low power generation can result in
undercharging of the battery.
Bearings
If you hear unusual cracking noises then it is possible that the
alternator bearings are worn out and need replacement. The noise may also
indicate something loose inside the alternator body.
Diodes
The alternator actually produces AC current but the car battery and
vehicle's electrical components run on DC current. Diodes are used to change the AC current into DC current. The alternator will not provide optimum power if the diodes are not functioning properly.
Internal Components Not Functioning
An alternator has many internal components like cooling fan, rotor,
diode rectifier, voltage regulator, brushes, coil winding, rotor, stator, and
terminals. If something is not working properly then it will result in poor
power production.
By identifying these alternator problems, you can easily diagnose the unit.
Sometimes, the problem is with the other components that are directly or
indirectly connected to the alternator.
To learn more about Alternator Problems and How to
Repair Alternator, Click on following link:
http://alternatorrepair.org/
by: HozefaHajoori
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