Hey 3DP Boards,

After realizing that Makerbot shut down it's group support forums to drive everything through their $100 support ticket system literally 3 hours after I posted... (obviously haven't visited them since they were closed)

http://3dprint.com/11478/makerbot-google-group/

Brian Esquivel, yes that's me... (I'm just as weird-ed out by it as you are)...

...I found this forum in hopes of finding help c:

My oldest machine (Primus), who recently got a new friend (Bulbi) (both replicator 2's) is having a grinding issue originating from what I believe is the print head.

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

I've opened it open and seen major wear on the extruder gear within the print head, and yes, the tension upgrade has been installed on both machines.

A quick stroll through Amazon led me to a listing that is out of stock?

Is this the offending piece of my machine, if so, where can I get another one?

Thanks! c: