A dial caliper give a measure on the needle of a dial. Digital shows you a number.
No
Remove the wheel. Unbolt the caliper and slide it off. Replace the pads. Put the caliper on then remount the wheel.
Check for loose or missing bolts. Check also for incorrect wheel rim, incorrect rotor, or incorrect caliper. year of car/truck ? if its a dodge truck look at brake caliper adapter for wear,check caliper retaining clips if their broken they will let the caliper move up in the caliper adapter hitting tour wheel hub . is the wheel right one for veh ? If you just changed the pads and did not compress the caliper piston all the way down. the caliper can rub against the wheel. The whole caliper floats and if the piston is not fully compressed it can hit the wheel with the new pads on.
You need to remove the wheel, the caliper and the caliper mount. After you do that you can remove the caliper.
No
No
No
0.01mm
No
yes the brake caliper has to fit into the wheel a smaller wheel may fit the lugs but wont go over the disk and caliper (or drum)
Only if the wheel will clear the brake caliper.Only if the wheel will clear the brake caliper.