Good idea to do so
they are the same
Tap on your 1998 Mazda brake rotors with a hammer or mallet until they become loose. The brake rotors will simply slide off.
2.
The front rotors need to be pressed on, if you know someone with an industrial press you can do it yourself.
there either 10.28x1.33 or 11.20x1.33 You have to take off your wheel and check yourself Mazda Changed there rotors midyear 2002-2003 Kinda Confusing lol.
Pads about 30.00, Rotors anywhere from 85.00-125 ea. turn rotors-40.00 (approx) + labor.
The minimum thickness for the rotors of a 2001 Mazda B3000 is 0.5 inches for the rear and 0.97 inches for the front. Falling below this threshold can result in poor braking performance.
take off a retaining nut?
Just DON't get them from a Mazda dealer... As I recall, mine cost less than £100 before fitting.
Brake calipers will sometimes not pull back from the rotors as they should and will make noise as the brake shoes literally rub the rotors continuously. This can happen even after changing both brakes and rotors. The contact points where the brake shoes slide back and forth on the caliper should be cleaned and have lubricant applied to prevent this. Also, could be a bad wheel bearing. There is a ball-bearing behind the hub that the wheel bolts onto which help the wheel turn with less friction. Sometimes those bearings will stick instead of turning. If detected early enough, it can sometimes be resolved by repacking them with grease(some cars have sealed bearings that cannot be repacked), but usually when they are as noisy as you imply they need to be replaced.
You can fit a 26B motor which has 4 rotors compared to the stock 13B which has 2 rotors. Altough you would have to build a 26B yourself since Mazda won't sell one to the general public. You can also go for a 20B (3 rotors). A 20B is the stock engine for a '91-'95 Mazda Cosmo (aka Eunos Cosmo). So you would just have to find a way to import a 20B since Cosmos are only available in Japan.
No, you need a press to remove and install the bearing.