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How To Properly Check A Serpentine Belt

Published on November 23, 2016 under Humble Mechanic

As a professional mechanic, there are many items we check on cars. We not only look for broken or failing car parts, but we look for maintenance items as well. Over the years serpentine belts and “V-belt” have been a common part that require maintenance. Back when I first started, a simple visual inspection was all that a mechanic really needed to spot a bad serpentine belt. Today that is not the case. New compounds used to make belts, have not eliminated the need for replacement, but have made checking the belts a little more challenging. Today find out why.

Help Support The Show Many of you have asked about supporting the show. For that I thank you. For now, the best things you can do are SHARE THE SHOW, and shop with my links on Amazon. You will not spend any more money that you would normally. Here is the Amazon link ~ Humble Mechanic on Amazon or you can check out some recommended tools I have listed below. Join me as I take you questions on:

Join David from CRP and I as we discuss:

  • How we used to check serpentine belts
  • What is different about today’s serpentine belt
  • How serpentine belts wear today
  • How to properly check serpentine belts
  • The tools required to checking a serpentine belt
  • New belt vs worn out belt.
  • Get a tool by emailing info@crpindustries.com and request a Contitester.
  • Serpentine belt rollers and tensioners
  • How rollers can fail
  • Why it is good to replace as a pair
  • and more


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As always I love to hear your thoughts. Please post them in the comments section below. Also if you have an idea for a show you can email me, or use the contact me form! Thanks to David from CRP Automotive for helping out with some great serpentine belt information.

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