Welcome to Alternators at Mechanic Hoppers Crossing
We stock a large Range Alternators. Call us today for the best price.
What Is an alternator ?
An alternator is part of the charging system of
your car that produces electricity for many devices. A type of generator, the
alternator transforms mechanical energy into electrical energy. Although your car's battery supplies some electricity, most of the
electrical mechanisms within the vehicle, require the alternator's steady stream of power.
How it works?
To be more specific, an alternator is very
efficient at producing a constant, high voltage, even when the car is idle,
because of how it works. The belt (from the crankshaft) connects to a pulley
system, called the rotor, such that when the
belt is turning, it moves magnets across a special surface, called a conductor.
Moving magnets, in the stator, generate an electrostatic field, otherwise known
as electricity. This alternating current is controlled by a voltage regulator to keep the voltage steady. Another part, called the diodes,
convert alternating current into direct current that flows on to the battery and
What if it fails ?
Even if your alternator dies or malfunctions,
your car will run for a while directly off of the battery, until all the
battery's power is sapped. Therefore, it is hard to tell when your alternator has problems. Sometimes a harsh noise, or
intermittent headlights, will give it away. Check to make sure the belts on the
alternator are not cracked, or improperly
tightened, before you replace the entire thing. A rebuilt alternator can be a reliable, and less expensive, option
if you need it repaired.
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