Hi,

My 2003 4.4i has been making a very loud screech/grinding noise upon start up. It only makes this noise during start up and runs fine with no noises after. I uploaded a video of the noise here:

https://www.youtube.com/watch?v=UlT6...ature=youtu.be

The first start in the video sounds normal and the second sounds like something is grinding. Other times the noise is a very loud screech.

Thanks!