Symptoms of a Bad or Failing Alternator Belt

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Keeping a car’s battery charged is the job of an alternator. Without this key piece of equipment, the battery would die after only a short amount of driving. In order for the alternator to keep charging, it will have to continue to spin. This spinning is made possible by the belt that runs from the pulley on the alternator to the crankshaft. The belt does a very specific job and without it, the alternator will not be able to provide the constant charge the battery needs when the car is running.

The longer that the same alternator belt is on the car, the higher the risk will be that it has to be replaced. The type of belt around your alternator will depend solely on the make of your vehicle. Older cars will use a V-belt for the alternator while newer cars will use a serpentine belt.

1. Battery light is on

When the battery light on your instrument cluster comes on, you will need to pay attention. While this light does not tell you exactly what is wrong with your car’s charging system, it is the first line of defense in getting the issues addressed. Taking a look under the hood is the best way to see if a broken alternator belt is the cause of the battery light being turned on.

2. Dimming or flickering interior lights

The lights on the inside of your car are used primarily during the nighttime hours. When there are problems with the charging system, these lights will usually flicker or become very dim. A broken belt will prohibit the alternator from doing its job and can be the cause of the lights on the interior of your car becoming dim or flickering. Replacing the belt is essential in restoring the lights back to normal.

2. Engine stalls

Without a properly working alternator and alternator belt, the power that the car needs will not be supplied. This means that when the battery dies out, the car will be rendered unusable. Having this happen on the side of a busy road or highway can create a lot of problems. Getting the alternator belt replaced is the only way to get the car back on the road quickly.


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Rigoberto

9 years of experience
706 reviews
Rigoberto
9 years of experience
Chevrolet Equinox - Brake Pads Replacement (Rear) - Niles, Illinois
Rigo was great! He got there early, finished the job early, left everything clean. He changed my rear pads and rotors. The original quoted time was 90 minutes, he was done in about 60. He knows what he is doing and I am recommending him to all my friends and coworkers.
Mercedes-Benz C250 - Brake Pads Replacement (Front, Rear) - Chicago, Illinois
Rigo is a maverick hands down. Don’t take your car for work elsewhere. Especially great at Mercedes—this guy knows his profession! I will be using him for everything related to my car going forward.

Arturo

25 years of experience
35 reviews
Arturo
25 years of experience
Kia Forte - Brake Pads Replacement (Front) - San Diego, California
ARTURO is great! very professional , fast, replaced my front brake pads and oil an filter change. everything now works and works well. Brakes have much improved stopping power and engine is smooth and quiet.Arturo is also kind and thoughtful. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. I enthusiastically recommend him and "Your mechanic> as a fine operation Best regards to the Team Peter Marto
Nissan Maxima - Brake Pads Replacement (Front, Rear) - San Diego, California
Arturo was prompt and completed my brake repair, including new rotors in a very efficient manner. I am very pleased with the quality of the work and the parts and will definitely look to have him service our other car in the near future.

Scott

32 years of experience
345 reviews
Scott
32 years of experience
Lexus IS250 - Brake Pads Replacement (Rear) - Denver, Colorado
Always on time, speedy, professional, and pleasant to interact with. The work is always consistent and we'll done. I can't reccomend Scott highly enough!

Michael

10 years of experience
15 reviews
Michael
10 years of experience
Nissan Sentra - Brake Pads Replacement (Front) - Conyers, Georgia
He was promptly on time and got the job done efficiently in a timely manner. I really appreciate the rapid respone on getting the job done! I would most definitely use this service again.

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