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Modern vehicles rely heavily on electrical systems, which include a computer and the all-important battery. However, these components are impossible to power without the use of an alternator, which converts energy from the crankshaft to useful electricity. Car owners need to be on the lookout for any signs the alternator is failing to fix it before experiencing any costly issues.

3 Signs of a Failing Alternator

1. Electrical System Failures

The alternator provides electricity throughout your vehicle, including the headlights. If the lights appear weak or flicker frequently, the alternator is not performing optimally. This goes for other electrical systems as well, including power windows, power locks, and air conditioning. If you notice these features functioning poorly, the alternator is likely at fault.

2. Dead Battery

alternatorThe alternator helps the battery recharge as you drive. When the alternator fails, the battery stops charging and quickly drains, potentially leaving you stranded with a car that won’t start. Keep in mind that batteries can fail on their own, so check the alternator before replacing it.

3. Strange Noises

A faulty alternator can cause bearings to fail in the engine. This creates an unusual rattling noise that’s distinct from other sounds you may hear from your engine. If you start hearing these strange noises, bring your car in for service — especially if you also notice any other previously mentioned symptoms.

 

When you need a new alternator or other car parts, turn to AAW Auto Parts in Pasco, WA. With more than 20 years of experience, this family-owned and -operated company has all the parts you need, from spark plugs to fuel pumps. If you have any questions, reach out to a friendly staff member by calling (509) 547-6000. You can also visit them online to learn more about their services.
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