Question about 1984 Volvo 240 Series

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Volvo 1984 sedan screeching sound

High pitched whistle turns to screech when car starts and begins moving. Stops once traveled 10-30 meters. Any ideas???

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This is a common problem on many cars. Have you checked the alternator belt tension? When starting a car, the alternators electromagnetic field (which is what provides electrical charge in the coils) provides a resistance to the belt that drives it. If the belt is loose or glazed, it will fly around the alternator, and then go away. Hope this helps you!

Posted on Nov 21, 2008

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Yes bad drive belt.

Posted on Oct 09, 2008

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High pitched whistling on startup - madza121


The symptoms sound like a loose fan belt to me. That is normally described as a screech instead of a whistle but everything else matches.

This should not be hard to fix your self. Also a mechanic should be able to do it in 10 minutes including chatting to you.

If it is a fan belt your mechanic will know the sound 4 streets away too :)

For a short term fix and to prove if this really is the problem you can get your self something called "Belt Grip" It is in a spray on can. Follow the instructions on the can and if it fixed the problem you have the cause. Either get someone else to tighten your belt up or figure out how it's done. Basicaly you just loosen an adjusting bolt normally on the alternator and slide it out a little bit on it's track then tighten it up again.

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