04 yukon belt squeal / harmonic balancer wobble

[blown motor]

I have a 04 yukon that i just got back after having the gm dealer put a used motor in it. The motor runs fine but has a squeal at idle and under acceleration. Id expect after spending $3k that it would be nice and quite. heres a video of the harmonic balancer. to me it seems like it has way too much wobble.

[yt]y01sXksJiA8[/yt]

 

[blown motor]

04 yukon harmonic balancer

just had the motor changed and now the belt squeals at idle and acceleration. This was a $3k job done at the gm shop. heres a video of the pully. do i need to take it back and have them change it?

---------- Post added at 12:47 PM ---------- Previous post was at 12:46 PM ----------

forgot the video http://youtu.be/y01sXksJiA8

 

[Sasquatch]

In the video it doesn`t look like it`s wobbling to me. But that squeak sounds like it could be a bad idler or tensioner pulley.

If it`s under warranty just take it back and have them fix it, If not you can just remove the serpentine belt and manually spin the pulleys and listen for any noise and wobble them back and forth to check if they`re tight. If they all seem ok check the tensioner pulley on the A/C belt.

 

[blown motor]

Ill try to get a better video. it wobbles but the camera seems to have a hard time picking it up.