How to Replace an Alternator
Some vehicles use the alternator itself to apply tension to the serpentine or accessory belt, but others use an auto tensioner pulley. Insert the square drive from a.how and for season episode
This most likely means the alternator has gone out and needs to be replaced. This is a common problem for most vehicles and you can replace it in about an hour. We are a team of ASE certified mechanics and have created this guide to help you save money by doing the job yourself or at least know what you are paying for when taking your vehicle to the garage for repair. Before changing the alternator be sure to test it to confirm its failure. An alternator works on the principle of electromagnetism. By turning a magnetic armature inside a wire field it will produce AC alternating current voltage. A series of diodes 6 convert AC to DC voltage which is needed for the car electrical system and the battery.
Learn how to replace an alternator if it's malfunctioning. Install the new alternator, making sure that it fits properly and aligns with the existing bolt holes, .
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Strapped for cash this holiday season? Replacing an alternator can cost you several hundred bucks at the local repair shop, but it's one of the simplest repairs you can do at home. With a few tools and about an hour you can swap it out yourself -- and keep your dough in your pocket where it belongs. Note: As this is a Craftsman -sponsored project, you'll notice a number of Craftsman tools in the photos, including Cross Force Wrenches. But here's a secret: we already owned 'em all. They're the same tools we'd have used if they weren't sponsors.
How to Install an Alternator in 10 Steps
Alternator DEMO Wiring, connection to Battery, Capacitors, Inverter, Modification
How-To: Replace an Alternator
If your vehicle begins showing signs of reduced power like dimming headlights or interior lighting, you can have you alternator tested for free at most auto parts stores. To change an alternator, park the vehicle on an even, level surface, and disconnect the cable from the negative battery terminal. Use a wrench or a ratchet to remove the main power cable that runs from the battery to the alternator and release the safety clip connecting the wiring harness. Remove the auto-tensioner or loosen the bolts on the alternator, then remove the old alternator and install the new one using the opposite process. Keep reading for more details on installing a new alternator! This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness.
The alternator in your vehicle produces the electrical current necessary to power the engine and charge your battery, but its ability to produce electricity can be compromised by a worn out belt. Most modern vehicles have only one belt to power all accessories called a serpentine belt, while some older vehicles may have a belt that specifically powers the alternator. Regardless of which design your vehicle uses, you will likely have to replace the belt that powers your alternator at some point in the lifetime of your vehicle. You can replace these belts yourself using common hand tools. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Together, they cited information from 17 references. Categories: Belt Drives.
How to Replace an Alternator in a Car
This guide should just be a supplement to the steps of installing a car alternator, depending on car brand and make. Take note that if you cannot locate the alternator, reach the attachment bolts or free the nuts, stop and let a professional technician handle the job. There should be two points where the alternator is bolted to the engine, one which allows the alternator to swivel or swing in order to vary the tension on the V-belt. The other is usually a curved bracket with a long slotted hole in it that limits the amount of swivel and locks the alternator in place. With either socket wrench or a combination wrench, make sure you are able to reach for the bolts.