I just got my breaks changed at a shop i've been going to for a while. they make this horrible squeaky sound when Im in reverse and only when I'm in reverse. sometimes i don't hear anything and sometimes i do? what do you think it is?

 

That can be normal, depending on the pads/rotors you use.

 

You can go back to the shop that did your brakes. Tell them your issue and they can take a look at it and probably fix it free of charge depending on what occurred.

 

Might need some anti-squeal/caliper lube. But yeah def bring it back to the shop that did the work as a precaution.

 

Will do thanks guys!!!