Technical [mk1] Whistling noise dying after few minutes

[machinogodzilla]

Hi!

The car I've got a problem with is Punto 1.1 55S. When it's cold and I start it up it's ok until I start revving it. Then the whistling noise appears, and the more I rev the more intense the sound is. When the car is left on idle there is no whistling sound at all.

After I leave the car for a couple of minutes or drive it a little (it whistles on every gear and with the same characteristics) there is no more such sound until I turn the car off and leave to cool down. Then there is the same story.

I've read here about a loose cam belt but it doesn't sound like what you can sometimes hear on streets and you're sure it's a cam belt. This sounds somehow different.

Thanks for any help...

 

[wavestar]

Cam belt tensioner bearing, best do the belt at the same time unless it's recent.

 

[Italian scallion]

Hi!
Did you ever get the bottom of your issue with the whistling noise? I'm experiencing what sounds like a similar issue with my Punto and am looking for help.

Can you let me know how you got on?

Any input would be appreciated.

Cheers,

Dave