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How to remove and replace fan beltWe love helping especially now that it is lockdown offering tips on minor repairs and reviews on products to help you on yo...
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Serpentine belt replacement. How to replace a serpentine belt in your car, DIY with Scotty Kilmer. How to replace fan belt. How to remove serpentine belt. Se...
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- Scotty Kilmer
- Overview
- Finding the Serpentine Belt
- Relieving the Tension on the Serpentine Belt
- Replacing the Serpentine Belt
The serpentine belt in most modern vehicles transfers power from the crank pulley to the various accessories mounted on the engine. A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function. If your serpentine belt needs to be replaced, it can be done using only common hand tools.
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Pull the hood release inside the cabin of the vehicle.
To access the serpentine belt, you will need to open the hood of the vehicle. The hood release can usually be found near the door on the driver's side of the vehicle.
With the hood released, you will also need to release the safety latch located at the front of the vehicle.
If you are having difficulty locating the hood release or safety latch, refer to your owner's manual for guidance.
You should always disconnect your battery before starting an automotive project. Use the appropriate sized wrench or socket to loosen the nut holding the black ground cable on the negative terminal of the battery.
Slide the cable off of the terminal and tuck it to the side of the battery.
Determine if there is a belt tensioner pulley.
Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times.
If your vehicle does not have a tensioner pulley, the alternator bracket is likely how tension is set on the belt.
Refer to your vehicle's service manual to confirm what type of tensioner your vehicle uses if you aren't sure.
Use a wrench to relieve the auto tensioner.
Auto tensioners have either a hole that will fit a half inch drive ratchet, or a bolt you can use a socket to apply pressure to. Insert the wrench or place the socket over the bolt on the tensioner and twist it away from the belt to relieve the tension on it.
Compare the new belt to the old one.
Look at the new belt in comparison to the old one to be sure they are the same width and have the same number of ribs going across the belt horizontally. The old belt may be slightly longer than the new one due to stretching.
If the new belt is not the same width as the old one, it is the wrong belt.
Make sure the new belt doesn't show any signs of damage from the factory or it may tear after you install it.
Route the belt through the pulleys.
Run the new belt through the pulleys in exactly the same way the old one was. Refer to the belt diagram in your vehicle's owner's manual or the picture you took of the belt before removing it to guide you.
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Jul 20, 2020 · How to replace a fan belt. This is a basic guide on how to replace a serpentine belt in a modern car. A belt that needs replacing will be visibly frayed, cracked and worn. If you’re unsure what type of belt you need, consult your parts supplier for advice. Most modern cars have automatic belt tensioners, making this process much simpler.
Jan 27, 2019 · Replace a fan belt Fan belts or “serpentine belt” are used in cars engines to work other parts such as the alternator, water pump, air pump, A/C compressor and many more.
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May 13, 2019 · Serpentine belt replacement is easy because today’s automatic drive belt tensioners eliminate the need to loosen bolts or pry components into position for retensioning. Just rotate the tensioner, remove the old belt and install a new one.
Jun 17, 2017 · Even if you know almost nothing about cars you can easily learn how to replace a fan belt. Accomplish that simple task and you have instant bragging rights among your friends. And that’s your ante-up into the car maintenance game.
