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Ford Expedition
Ford Expedition Eddie Bauer
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How often would you change an alternator for a 2003 Ford Expedition?

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2008-03-02 03:40:46
2008-03-02 03:40:46

You should only change it, when it goes bad.

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It would be best to remove the alternator and take it to an electrical shop.



no if your battery light is on and the brake light on then your alternator need to be change


i paid 218 including alternator and labr. 159 for alternator and 45$ labor+ tax.


Only when it fails. 250,000 miles would be average.


Bad Battery. Bad Alternator. Lights left on by mistake. Something left running. Exc.


If it is a gas golf cart it has an alternator and if it is electric you have no need for an alternator. An alternator would require more power to turn that it would return to the batteries. So, you would get less distance out of the cart with an alternator installed. That is why electric carts do not come equipped with an alternator.


As often as the alternator fails... ;)The alternator is not a 'consumable' type of part that requires routine maintenance/replacement - like a serpentine belt, brake pads, etc.Many repair shops and auto parts stores offer inexpensive or free alternator & battery testing.Be sure to test before replacing!NOTE: it is a little known fact that a weak or failing battery is a major contributor to premature alternator death. Any battery that is 4 years old is a prime candidate for replacement.See "Related Questions" below for information on how-to replace Taurus / Sable alternators



take it to a mechanic!!!! would cost too much to do it yourself, and if you messed it up.....


I would only think one at the most. Alternators are easy.




An expedition would be a trip, journey, or travel.


to change the one below alternator you need to take belt off take alternator out and bracket to get at it. the tensioner pulley you need to take belt off loosen the three bolt on assembly the pulley itself has reverse threads on it it would be a good idea to change both of them


You would probably toast the diodes in the alternator.


I would suggest that the diode bank in the alternator has failed.... Would suggest that you have the alternator services (in UK tis about £30 I would suggest that the diode bank in the alternator has failed.... Would suggest that you have the alternator services (in UK tis about £30



Changing an alternator in a northstar requires removing the intake manifold,as it is under there. I would suggest getting a service manual for all the details. Good luck Almost but not quite true. Under the intake manifold is the starter not the alternator!!!


You can if you plan to convert all of your electrical system, starter, lights, gauges and accessories to 24 also. And change your battery to 2 batteries connected in series. Why would you want to??


over charging or bad bearings its about to let you stranded change it


If i am correct, this is the alternator.In police vehicles, such as the P71 Ford Crown Victoria, the noise is much louder and happens more often when idling due to the higher end alternator in place. A quick search on Google for "Alternator Noise" will head an answer....


The normal method for controlling output of an alternator is to vary the field current. In a PM alternator, there would be no field windings to control. The only way I could think of would be to vary the speed of rotation. This might work if the output was rectified (DC), but would be a problem if the output is AC, since the frequency would also change. I have not seen a PM alternator per se. Unusual.


Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery.


I've had the same problem with mine. It was a low voltage problem. check all your connections, clean the terminals, make sure your battery and alternator are good.



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