How To Fix A Squeaky Fan In Car. By the way, once the motor/fan assembly has been removed it can be tested with a simple 9v transistor radio battery. If above methods cannot fix the squeaky belt, the problem is most likely in the loose fan belt position.
If it rotates and makes squealing or knocking sounds, the bearing could be the issue. This will require an inspection from a mechanic. With the engine off, open the hood and find the belt.
While it’s likely that any debris caught inside that you removed was causing the bad blower motor sound, you’ll want to test your blower motor to make sure. This will require an inspection from a mechanic. The fan used to squeak only on the 2 setting.
If the belt is not loose and there are no signs of wear and tear, closer attention should be paid to any noise coming directly from the pulleys. 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.
One way to stop belt squeaking that does not require a soap is a kit that is called belt dressing. Take a look and listen. The secret to fix a squeaky belt in your car.
How to apply soap to the fan belt. The alternator and the belt are usually in plain view when you’re looking at the engine, which helps you find, identify and fix the squeaky belt on a car. Can the dealer do anything about it?
The serpentine belt in your car powers the accessories such as air condit. Also, check the alignment of the belt on the pulleys, they should line up straight. If above methods cannot fix the squeaky belt, the problem is most likely in the loose fan belt position.