How Do I Fix A Squeaky Fan Belt?

If you have a squeaky fan belt, your first step should always be to first identify which particular belt is making all the noise. If your car squeaks right after you start it but just before you touch your steering wheel then it is likely that it is your alternator belt that is giving you trouble. However if the noise happens after you have turned the steering wheel then it's probably your power steering belt that's to blame for the noise. Some cars however only have one wide belt or the serpentine belt so this would be the one to tackle.

When the motor is off press down hard upon the belt, there should be enough pressure to depress the belt an inch. If this doesn't work and your belt needs to be tightened further then its best that you change your belt.

Try rubbing some barsoap on the inner surface and sides on the full length of the fan belt. If you're dealing with a serpentine belt then you only need to rub the inner surface.

Lastly start your motor. If the noise has stopped then you've successfully dealt with the problem. However, if the squeaks persist then try rubbing some more soap on the belt.

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