DIY Auto Repair Tips » November 30, 2015

Daily Archives: November 30, 2015

How to Replace a Serpentine Belt

The accessory belt system is, as with most parts in your vehicle, a vital aspect for your car’s drivability. This system, however, is often overlooked and this can lead to breakdowns, typically at the worst time and place! The drive belt, or serpentine belt, can wear and fray causing most of the problems with the system, but it is always a good idea to check the whole system when you feel problems are occurring within it. Although the drive belt can wear out and cause problems with your vehicle, there is an easy solution and DIY guide to prevent these problems from occurring. We have DIY guide that will help you replace your serpentine belt before it wears out. Follow these DIY steps to replace the drive belt on your car and get you back to driving a fully maintained vehicle.

  • To start out this DIY project, you must first gather the tools needed. The tools required for this project are a torque wrench and a 3/8 socket extension on a ratchet wrench. You will also need a replacement serpentine belt as well. Once you have the tools and supplies ready, you are ready.
  • When beginning the replacement process for a serpentine drive belt, always use proper safety techniques with your tools, with ventilation and with lowering and raising the vehicle. Also, make sure you have a first-aid kit ready in case of an accident or emergency.
  • As you start the project, visual inspection of the serpentine belt will testify the need for a new one. Normally, around 80,000 km, you will notice the belt wearing and the ribs will start to compromise. Of course, if the belt is slipping or making noise, this is a good indication that it needs to be replaced. If you notice these symptoms, then you can be assured that you are making a good decision in replacing your drive belt.
  • Now, the first step in actually replacing the drive belt, is removing the old one. You will need to locate the correct pulley to release belt tension in the system. You can normally find decal diagrams on or near the engine, and they should explain which direction the pulley should go for tension. You may also find the belt routing information in the owners’ manual.
  • That you have found the right hole to release the tension, attach your socket wrench to it and pull the handle in the direction of the diagram’s arrow. This should release the tension on the serpentine belt and allow you to slide it off the pulleys, as you continue to hold the handle back. Once the belt is off, slowly release the tensioner. After doing the, work the belt through and around the fan and pulleys until it is completely free. You have now successfully removed a serpentine drive belt.
  • The next step in the serpentine belt replacement process is the replacement To attach it, wrap it around all the pulleys following the same pattern as the old one, only let the backside of the belt, where there are no ridges, be the final part to put on. Then, pulling back on the handle to release the pressure and tension on the pulleys, slide on the last part of the drive belt. Understandably, before letting the handle back up, make sure the belt is on securely and is situated into all the grooves on the pulley. If the belt is not secure, then when tension falls upon the drive belt, it could cause serious injury. When replacing the serpentine belt, it may be a good idea to replace the automatic belt tensioner as well. If the tensioner is not also kept up to date, then it could render your work with the belt futile.

Following these steps and applying these tips in replacing your serpentine drive belt will get you back to the days of a little less belt and a little more drive.

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