08-14-2012, 09:52 PM
Join Date: Apr 2012
My Ride: none
| First you should find out the clips are broken or not. You can do that by taking the sunroof off.
Speaking from my own experience, I thought I had to replace the clips of the sunroof because of the same noise. But when I took the sunroof off, I found all clips are OK. I cleaned the tracks and greased it with white lithium grease. Since then, the noise was gone and works perfect.
Here are two DIY links. They are very detailed and you should be able to figure out from those.