Why Does My Belt Squeal When It Rains?

Published date:

2022-09-21
Score: 4.7/5 (22 votes)

Are you searching for an answer to the question: Why does my belt squeal when it rains? On this page, we've collected the most accurate and complete information to ensure that you have all of the answers you need. So keep reading!

If after a heavy rain you notice your car is making an obnoxiously loud squealing sound, your belts may need to be replaced or tightened. The rain can cause the belts to slip (similar to tires slipping on a wet road) and make a high-pitched noise for a few moments.

You may wonder, can humidity cause belts to squeal? There have been others mention a belt squeal linked to high humidity and/or water on the pulleys. Another source of belt squeal can be the AC compressor.

Similarly one may ask, can cold weather make your belt squeal? The cold weather causes rubber to be less pliable and a bit brittle. As the engine pulleys turn the rubber belt at a very rapid pace, this will cause them to squeak a bit until the rubber material warms up and becomes more pliable. This may also happen when the belt needs to be tightened up.

Besides above, how long can i drive with a squeaky belt? That's why it's recommended that the serpentine belt is replaced early when the squealing symptoms are first noticed. Although it may be safe to drive with the squealing for a few days or weeks, the belt will eventually need to be replaced, and for safety, the earlier it's repaired, the better.

Likewise, why is my brand new belt squealing? Top Three Reasons for the Squeal

Low belt tension either caused by low installation tension, a stretched belt, extreme belt wear, tension spring degradation or a belt that's too long. High accessory/idler pulley drag from seized bearings or accessory failure/lock-up.


Will soap stop a squeaky belt?

That's right, ordinary bar soap can usually stop the squealing when rubbed on a fan belt. Just a few rubs on the belt with bar soap can solve the bar squealing problem for quite some time and save money in the process.

How much does it cost to fix a squeaky belt?

A typical serpentine belt start at around $25 and goes up to $75 at most. If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you're looking at around $100 to $195 to replace your serpentine belt.

Can you use silicone spray on a serpentine belt?

Trusted mechanic suggested spray silicone to quiet squealing belt. Tried it and it worked. Did it several times over a period of about 6 months or so. Serpentine belt broke most of the way across and beat the underhood mat up.

What can I use for belt dressing?

3 Mower Belt Dressing Alternatives You Can Try

  • Teflon Spray. Teflon spray is an excellent alternative to a standard belt dressing for your lawn mower. ...
  • Silicone Spray. Silicone is similar to Teflon as they both contain PTFE (Polytetrafluoroethylene). ...
  • Graphite Powder. Graphite in powder form is an excellent lubricator.


Why Does My Belt Squeal When It Rains - What other sources say:

Serpentine belt squeals only after raining - Jeep Forum?

Even if there is no visible water under the under, the humidity is high after a rain and belt/pulleys could still be damp. Like said above, any ...

Why does my car engine seem to 'squeal' whenever ... - Quora?

It's mainly due to engine belts getting wet . Mostly because of splashing of water from tyres. As soon as they get dried up the sound stops.

Belt Squeal or 'Squealing' noise on rainy days... - AcuraZine?

It was raining pretty good yesterday and I think it's due to some water somehow getting onto the belt near/on the a/c compressor. The squealing stopped after ...

Belt Squeal when it rains or with moisture/condensation?

You might also check the bearings in the idler pulley or the tensioner pulley. Tightening the belt may get rid of the sound for a while, but it ...

Belt Noise - Only When Wet | Dodge SRT Forum?

Because when the water/ rain get on it, it lubricates the belt and allows it to slip on the pulley. It then glazes the belt, even to the point ...

How To Diagnose Serpentine Belt Noise + 8 Causes & Solutions?

If yes, then the squeal you hear is from your serpentine belt or drive belt. The squeaky belt noise can become even louder or more aggressive if ...

Why Does my Engine Belt Squeal? - BlueDevil Products?

Another possible cause of engine belt noise would be if you have a failing accessory that is causing extra drag on the belt or has a wobbling pulley. If you ...

belt/pulley squeak when it rains ?!?!? | Toyota Nation Forum?

It usually means the belt is worn or just needs to be tightened. The Jedi Speeder at CarDomain.


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