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Estimates Starting and Charging Alternator Replacement

Ford Expedition Alternator Replacement

An alternator generates electric power in a car and is a major component of the car's charging system. Replacement costs depend on the year, make, and model of the car.

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Our repairs come with:

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Ford Expedition Alternator Replacement

RepairSmith offers upfront and competitive pricing. The average cost for Ford Expedition Alternator Replacement is $409. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you.

Car
Location
Quoted on
Price
2000 Ford Expedition
5.4L V8 • 185,000 miles
Sacramento CA 95834
Nov 18, 2020
$416 - $508
2000 Ford Expedition
5.4L V8 • 185,000 miles
Sacramento CA 95834
Nov 18, 2020
$424 - $518
1999 Ford Expedition
5.4L V8 • 200,000 miles
San Mateo CA 94403
Nov 14, 2020
$285 - $349
2004 Ford Expedition
4.6L V8 Eddie Bauer • 188,000 miles
Tucson AZ 85705
Nov 10, 2020
$269 - $329
2003 Ford Expedition
5.4L V8 • 171,265 miles
Riverside CA 92507
Nov 9, 2020
$412 - $504
2001 Ford Expedition
5.4L V8 • 222,000 miles
San Jose CA 95148
Nov 5, 2020
$432 - $528
2000 Ford Expedition
4.6L V8 • 100,000 miles
El Monte CA 91731
Oct 21, 2020
$277 - $339
2006 Ford Expedition
5.4L V8 • 186,000 miles
Spring Valley CA 91977
Oct 19, 2020
$450 - $550
2003 Ford Expedition
5.4L V8 • 160,000 miles
Fresno CA 93725
Oct 8, 2020
$432 - $528
2002 Ford Expedition
4.6L V8 XLT • 200,000 miles
Las Vegas NV 89108
Sep 23, 2020
$277 - $339
Last Updated:
Dec 15, 2020 8:45 PM
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What is an Alternator?

The alternator is responsible for two things. First, it powers the electrical units when your car is running. The radio, lights, window switches, USB ports, etc., are all powered by the alternator. And second, it recharges the car’s battery, which is the source of electricity when the car is turned off. Your car’s alternator gains power from the engine. It’s connected to the engine via a drive belt, and it converts that energy into usable electricity. It’s a pretty simple system. However, the alternator does need to be regulated, to make sure that nothing is overcharged or undercharged. In older cars, that’s the job of the voltage regulator. In newer cars, the engine control module (ECM) is responsible for those duties.

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Symptoms of a failing Alternator

Car won’t start

When your car is running, the alternator uses energy from the engine to recharge the battery. When the car is off, it needs that electricity from the battery in order to turn back on. If the car won’t turn on, it may be because the alternator isn’t recharging the battery.

Hard starting

Similarly, if the alternator isn’t charging the battery sufficiently, you’ll likely have trouble starting the car, also known as a hard start.

Stalling

You might think that these issues only arise when starting the vehicle, but a malfunctioning alternator can actually result in stalling when your car is turned on.

Lights that are too bright or too dim

If the alternator is sending too much electricity to the electrical units, your car’s lights will likely be brighter than they’re supposed to be. Conversely, if the alternator isn’t sending enough electricity, then the lights will be too dim.

Whining noise

A busted alternator will often make an annoying whining noise when the engine is running.

Warning lights

A malfunctioning alternator will usually result in a warning light or two illuminating on your dashboard. The check engine warning light and a charging system warning light are most common.

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How urgent is an Alternator replacement?

Usually a faulty alternator won’t cause further damage to the vehicle. However, if it is overcharging or undercharging certain electrical units, it is possible for some damage to occur. A malfunctioning alternator does make your car less reliable, however, due to the potential issues with stalling and starting, so it’s best to get it replaced immediately if you’re starting to notice the above symptoms.

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