Alternator

Car that I drive regularly has flat battery, bad alternator?

Car that I drive regularly has flat battery, bad alternator?
  • 4175
  • Felix Grant
  1. Can a weak battery damage an alternator?
  2. Can you drive a car with a bad alternator?
  3. How far can I drive with a dead alternator?
  4. Will a bad alternator cause a car to lose power?
  5. What's the difference between a dead battery and an alternator?
  6. Can an alternator charge a dead battery?
  7. How fast will a bad alternator kill a new battery?
  8. What are signs of bad alternator?
  9. How much does it typically cost to replace an alternator?
  10. Can you start a car without an alternator?
  11. What happens if alternator dies while driving?
  12. What happens if alternator goes out while driving?

Can a weak battery damage an alternator?

Yes it can, if the voltage is too low the voltage regulator will have the alternator working overtime and may eventually overheat it and cause internal damage. ... A “weak” battery can't consume much of a charge either so it won't be much of a load on the alternator. So, no, a weak battery won't hurt your alternator.

Can you drive a car with a bad alternator?

When an alternator is going bad, the battery drains quickly. If the alternator is going or has gone bad, in most cases the vehicle can be driven for a short distance and for a short period of time, allowing you to make it to a service station or automotive parts store for a replacement alternator.

How far can I drive with a dead alternator?

You can probably make it about 3-4 miles. Had a belt shred on an old acura, it made it home from about 3 miles out with no problems. How long was the drive on just the battery? My alternator failed me once and I drove about 28 miles at night before the car ran out of juice.

Will a bad alternator cause a car to lose power?

The alternator provides power to the spark plugs that ignite the gasoline in your engine. When the alternator is failing, there might not be enough power in the spark plugs to keep the engine alive, which can cause it to stall for no reason while running, or to have trouble starting.

What's the difference between a dead battery and an alternator?

First, the battery delivers a jolt of electricity to the starter. ... If the engine starts but dies immediately, your alternator probably isn't keeping your battery charged. If a jump starts and keeps your car running, but the car can't start again off of its own power, a dead battery is likely your answer.

Can an alternator charge a dead battery?

Q) Will an alternator charge a dead battery? A) Alternators are designed to maintain a battery's charge, not to recharge a dead battery. Charging a dead battery with an alternator will result in premature alternator failure.

How fast will a bad alternator kill a new battery?

In this situation, the battery could last as little as 30 minutes. If you are lucky and could get up to two hours. Note: In case you have to start the car without an alternator, don't turn off the engine once you're going. Starting the car flattens the battery down quickly.

What are signs of bad alternator?

7 Signs of a Failing Alternator

How much does it typically cost to replace an alternator?

The average cost for alternator replacement is between $675 and $706. Labor costs are estimated between $118 and $149 while parts are priced at $556. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

Can you start a car without an alternator?

Most cars will start and run without an alternator. They are designed to run off the nice, steady, filtered 12 volts from the battery. The alternator's function is to maintain the charge in the battery.

What happens if alternator dies while driving?

The alternator generates power from the engine to run the electric parts of a car. If your alternator dies while driving, you may just stop and be stranded, but a bad battery can also give you problems at low speeds.

What happens if alternator goes out while driving?

If your alternator goes out – your car isn't going anywhere fast. Because your alternator charges your car's battery, without it, you won't be able to start your car, which means you'll need a tow to the mechanic. When you have a dead alternator, your battery will also die during normal use. ... A dead battery again.

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