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Fan is loud in low gear, belt squeals at 3000 rpm

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 26 Answers

SOURCE: squealing NOISE possibly from fan belt

There are several things you should know;

1. Power steering belt, when you make a turn, sometimes make noise, because your car needs power steering oil,=transmission oil.

2. when you turn on AC then you can hear a loud noise, you must check AC compasser,If the head wheel frozen, it will make a lot noise, that you have to fix your AC compasser.

3.check these two first, if both ok. shot some wd40 or lubricate see if it's work.

Hope this can help you

Posted on Jun 22, 2008

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  • 35 Answers

SOURCE: LOUD!! SQUEALING NOISE ,UP NEAR FRONT OF MOTOR ?

well also it could be your a/c compressor

Posted on Sep 16, 2008

  • 341 Answers

SOURCE: squealing NOISE possibly from fan belt

Belts stretch from new. Try to tighten them again. Hopefully the are not glazed or this may stay with you.

Posted on Dec 14, 2008

  • 1 Answer

SOURCE: 2003 Lancer ES High pitch squeal and constant squeak

Shortly after replacing the serpentine belt in my lancer, the same thing happened. It is NOT the timing belt. Belts squeal when they slip. If your timing belt slipped it would cause your car to run funny.

have somebody check the belt for wear (or do it yourself), replace if necessary. If it doesn't need replacement, just tighten it.

If you have the 4cyl engine that I have, the tightening is kind of a pain in the ****. Not a great design by mitsubishi. There's a pulley near the front right corner of the engine in front of the alternator. the belt should be running around this pulley GROOVE SIDE OUT. This is the tension pulley.

To tighten:
1) Lightly loosen the bolt in the center of the pulley (slightly loosen, DO NOT REMOVE).
2) Under that pulley there's another bolt. You can see that the bolt goes through a piece of metal
attached to the back of the pulley. Figure out which way you need to turn the bolt to move the
pulley toward the front of the car. (i don't remember if it's right hand thread, or left hand) This
puts extra tension on the belt. You probably don't need much. Over tensioning the belt can
cause pulley bearing failure. If you haven't done this work before, ask someone for
help
. It's better to tighten a little bit, a few times rather than overtighten once.
3) Don't forget to ReTighten the bolt in the center of the pulley.

If there's lots of cracks and pieces missing on the ribs or grooves of the belt you should replace it first.

Happy repairing,
Cliff

Posted on Mar 09, 2009

localwonder
  • 6784 Answers

SOURCE: when engine fan engages makes loud squealing noise

OK, the motor that you are referring to has lots of cooper windings and internal parts that can become misaligned during long term operations and extreme heat situations. this noise you are hearing is basically a warning sign that is trying to tell you that this motor is failing and will go out soon.

Posted on Mar 22, 2009

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F22a engine produces strange noise most obvious at 2000 rpm, what could the problem be?


Without a general description of what the noice sounds like, squeal as compared to knocking, it is impossible to help you. Engines make a lot of different noises, so try and help by describing noise. I would suspect it is belt related, or tension pulley related as these are RPM variable noises, belts tend to slip when you accelerate and can be quite loud with a serpentine belt as example.
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Hey Anon, Are you SURE you got the correct belt?? Something does not sound right about this...???... Double check all the pulleys when the belts are off...the alternator should spin freely, all the the idler pulleys should spin free..(ones that just spin and guide but are NOT connected to anything)!! This very thing happened to me...it was a $12 idler pulley that did nothing but spun and guided the belt..

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Just for testing, a few seconds, will the vehicle start and run w/o the belt? Have a helper work the throttle, is the sound gone? If problem not the belt, check the belt driven accessory. Sometimes you can use a long metal rod of some kind, with belt on, one end of the rod touches accessory housing, the other end goes on that bone behind your ear, helps to magnify the sound. I guess you could use a mechanics stethoscope to do the same thing. Have helper work the throttle while you listen to each. Don't get tool or anything caught in belt. This is a serpentine belt, I haven't looked?
Maybe an accessory trying to freeze up or bad bearing? I can't think of anything else at the moment?

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I have been having the same problem with the alternator belt squealing, most noticeably, when using the heater fan , accelerating, turning the headlights on. I have a 1997 Toyota Tercel CE 1.5L 4cyl with no A/C. I just tightened the belt tight enough that there is no give to the belt and it does not squeal anymore.

I also used a Goodyear Gatorback from Napa belt which seems to be nice and quiet when tight enough.
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2004 Kia Sorento squealing from hood


I also have an 04 Sorento and LOVE it. I live in northern indiana where it is super cold in the winters and just this year my truck started squealing when temps got low and when the heat is on. My dad has also changed the belts, even though they looked fine. that didn't fix the problem. I was searchng for some answers and it seems that many people are having this same issue with sorentos. Its super annoying and like you sid embarassing! I love my truck, but HATE this sound! if you find anything else out, please post! Thanks!

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1 Answer

I get a loud squeal from the fan area only when


It could be a pulley. Best way to tell is to remove the belt and turn each pulley one at a time and see if you can either feel one not turning freely or try and duplicate the squeal. Keep in mind there is no load on the pulley without the belt on it so it might not be as pronouce as it would be with the belt on.

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Loose fan belt.. tighten the belts because they are slipping... thats what the sound is

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1 Answer

When accelerating our van it starts to squeal very loud now.


Have your fan and other belts checked/replaced!
Rarely but sometimes a can of belt dressing will stop the squeal if the belt's just a little to dry!
Check your oil!
Check your trans and other fluids if you don't think it's a belt!
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2 Answers

Squealing NOISE possibly from fan belt


Belts stretch from new. Try to tighten them again. Hopefully the are not glazed or this may stay with you.

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