Hey troll nerds. Got a brain bender for yaa.

There's this bloody noise when I turn. Like a loose brake pad or something. Looked at the brake pads. Everything looks fine.

Question.
Are the calipers supposed to be a bit loose?

I know they need to move on the slides for wear and operation etc. But should there be a slight preload on the pads?. Because there isn't. Only by 0.5 mm but it's there. I'm thinking this is cause of the sound as I turn. Just like sliding sound.

99 GU . Logbooked. Never been off-road. ( before now heh heh)