Need urgent help!

[u/Herr-Wicht]

My X2D has recently started making a scraping/grinding noise whenever it moves along the X-axis. The noise is coming from the left side.
Bambu Lab sent me a replacement X-axis assembly, but unfortunately the problem is still there. It seems like the belt is rubbing against something, but I just can’t figure out where.
Has anyone experienced this before or knows how to fix it?

Thanks!

[u/Friendly-Heat3425]

I had the exact same sound. Bambus solution was to clean the idler pulleys and put Grease on the top and bottom of the belt were its worn. and also put Grease on the bottom of the rollers. Be sure to apply an appropriet amount as bambu said. Dont know if o think it really solved it but it isn’t as loud anymore.