Posted in: Drive Belts Maintenance

What are the Symptoms of a Bad Drive Belt:

Symptoms of a Bad Serpentine Belt:


A serpentine belt is designed to last a long time. But eventually, the heat and friction will wear it down and it will need to be replaced. Here are some signs of a failing serpentine belt:
 – Signs of wear (cracking, glazing, fraying, etc.)
 – Squealing or chirping sound (indicates a slipping belt)
 – Performance loss (power steering failure, sudden car battery drain or stalled engine)
 – Check Engine Light
 – Unusual noises.

Advantages of Drive Belt:

Below are some of the advantages of drive belt used in an automotive engine; 

  • Serpentine belts consume less space and are effective than the older multiple drives belt system. 
  • The belt is able to undergo an increase in tension without stretching. 
  • Since higher tension reduces slip, belt life and mechanical efficiency are increased. 
  • The belt is much easier to maintain and replace since there is no need for multiple belts to be removed. 
  • Since only one tensioner belt is needed for all the peripheral components, they can simply be mounted on the engine without the need to swivel. 
  • Less slip allows a serpentine belt to work well on lower-ratio pulleys as the engine load is reduced. 
  • Fuel economy and available power are increased. 
  • The tendency of flip over in the pulley groove is eliminated.

Disadvantages of Drive Belt:

Despite the great advantages of a serpentine belt, some limitation still occurs. Below are some of the disadvantages of the drive belt.

Limited Speed range. 

They are not compact. 

Considerable power loss. 

Lack of redundancy 

Short service life compared to other mode power transmission. 

The velocity ratio may vary due to belt slip 

They inflict a heavy load on shafts and bearings. 

The vehicle becomes unusable in no time as the engine cooling is terminated. 

The vehicle instantly loses multiple critical functions as so as the belt breaks or is knocked loose. When should you replace the serpentine belt?

A serpentine belt was made to last. Under ideal circumstances at least 60,000 – 100,000 miles. It’s wise to include the serpentine belt in your routine inspection, though. It’s possible for a serpentine belt to crack, fray, or even break early on. When that happens, the accessories it powers will stop running, and the vehicle will need to be towed. It’s important to replace this belt as part of your vehicle’s scheduled maintenance (even if it looks okay) to avoid it breaking while you’re on the road. For replacement of your belt worn-out, Visit us @ www.kamsiparts.com to get the original belts at an affordable price with warranty for your Convenient and Comfort while on the road.

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