What is this noise?

[sna77]

What is this noise? Happens during cold starts on my cars--sounds like fingers on a chalk board. Eeeks.

Goes away once the car warms up.


http://www.youtube.com/watch?v=g746KIA2Bq0&feature=g-upl

[kayger12]

Link won't work on my phone, but I'll make the blind guess of a bad pulley.

I wish this was sent with a Galaxy S3