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In my experience burning out alternators on a Pontiac and an Oldsmobile, you can get about 100,000 miles out of it before expecting to replace the alternator.

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โˆ™ 2009-03-19 22:26:55
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Q: How long the alternator last?
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Automotive Alternators ?

form_title= Automotive Alternators form_header= Ensure you car will run with an alternator. How old is your current alternator?*= _ [50] How long have you owned your vehicle?*= _ [50] When was the last time you had you car in for a tune-up?*= _ [50]


How often does an alternator need to be replaced?

In most cases an alternator will last well over 100,000 miles


How long would a battery last with a bad alternator?

It depends on just how 'bad' the alternator is, but generally, not very long. You can actually drive your car until there is not enough electrical charge to spark across the spark plugs, and your car just stops, unable to start again.


Have replaced alternator twice on 1999 zx2is this common?

Depending on how long the interval was between alternator changes. Less than a year and I would look for warranty on the alternator. Now there are factors beyond the alternator manufacturers control. A battery that is on it's last legs will take out an alternator really fast. A stereo system with a large Amp(s) will also shorten the life of an alternator drastically. These situations will not be a warranty issue.


How long will an alternator last when the diodes start going bad?

It's not a good idea to to run your alternator with bad diodes. These diodes rectify the ac power generated by your alternator and turn it into dc power. You will destroy other electrical components in your car and will end up spending more money than the cost of simply replacing your alternator.


How long should the alternator on your car last?

Impossible to answer as it depends on use and abuse. Normal use will see no need to replace one on a modern car.


How long should a well maintained 2002 Yukon last mileage?

I have a 2003 Yukon with 211,000 miles, the only thing I have reoplaced is the battery and the alternator.


Does the alternator run when you have the car started and in park?

Yes, as long as the engine is running, so is the alternator. The alternator is actually what keeps the car battery charged.


Do bad spark plugs have to do with charging the alternator?

Spark Plugs do not affect your alternator. As long as your engine is running then it should be charging unless your alternator is bad


What else can kill a battery besides an alternator?

Time. Auto batteries share one thing in common with humans - no matter how long they go on, they all die eventually. they last longer if well maintained, and with a good alternator, but they all die eventually.


How long will a motor on 97 sebring with 159000 miles last?

i have 163,000 on my 97 Sebring and it is still running strong except the alternator just went out. Then it will be a champ again!!!


Is the alternator and voltage regulator in one piece?

On most cars built within the last 10 years the voltage regulator is built into the alternator.

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