Off the top of my head, I believe the caliper bracket bolts are 15mm.
Depending on your car, ie if it's like mine, you will need a T45 Torx to get the calipers loose from the brakets. The other I believe is is like a 15mm allen key, but I'm not sure.
Taking off the caliper depends on if you need to chance the pads.
The wheels should be torqued to 90 PFT. I believe it's measured in PFT.
The brakets whould be nice and snug. I've never used a torque driver on them. The torx bit will probably start to give and that is when the clipers are tight enough!
-Andy
BTW - Be sure to lube the sliders with greese of some sort not WD40. Search for more help!
