It just started making a screetching noise going around left hand turns. It kind of sounds like metal on metal contact. Does anyone have any ideas what could be causing it?

 

Posi maybe taking a vacation?

 

Has any work been done in that area recently? Maybe the rotor is rubbing against the backing plate. It can be rust on the rotor or a worn out axle in the c-clip area causing the rotor to come in contact with the backing plate. you should pull it apart anyway just to see.

 

It is definatly a metal on metal contact sound if that makes it any easier to diagnose.