How Long Does an Idler Pulley Last?

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The drive belt that is on a car runs nearly all of the major components of the engine. Most of the newer cars on the market have a serpentine belt rather than various V-belts. In order for this belt to remain functional, it will need to have the proper amount of tension and guidance. The idler pulley that is on your car helps to guide the belt where it needs to be, while providing the tension needed to keep it circulating as it should. This belt is used each time the engine is ran and is a vital part of keeping the car running as it should.

The idler pulley is designed to last the lifespan of the car. Usually, this pulley will wear out eventually due to the use that it receives. These pulleys can be made of either metal or plastic and have a pressed bearing in the middle of them to keep it secure on the belt shaft. The sealed bearing design helps to reduce the need for regular lubrication and can provide years and years of service without showing any signs of wear. A bad idler pulley can bring your engine to a grinding halt, which is why it is so important to check it from time to time.

When checking the idler pulley, you will need to look for signs of damage on both the pulley and the bearing that is in the middle of it. In some cases, the covering on the idler pulley bearing will come off and let all of the lubrication out. This will usually lead to the bearing locking up and not allowing the pulley to spin freely.

Here are a few of the things that you may notice when it is time to replace your idler pulley:

  • Screeching and squeaking noises coming from the engine
  • There are engine warning lights on
  • The power steering will not work
  • The engine is starting to overheat on a regular basis

Having a professional to replace the idler pulley on your car is the best way to ensure that the job is done the right way. Attempting to do this type of work on your own will usually lead to a variety of additional repair issues.


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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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