answer you'll need to go down to your local parts store and buy a special socket that fits the caliper bolt. it looks like the end of an Allen wrench jammed in a socket. dirt cheap but the only way to remove those pins.
You need a 3/8" Allen wrench to remove them.
Remove the wheel, remove the two caliper bolts and hang the caliper with a wire or bungee cord: you don't want any pressure on the brake hose. Then remove the two caliper carrier bolts and remove the carrier. The rotor just slides off after that.
Remove wheel loosen and remove flexible brake line to caliper Remove 2 mounting bolts Slide caliper off rotor
Should be 2 mounting bolts one on top one on bottom remove these and slide caliper off rotor
Remove wheel Re-install 2 lug nuts to hold rotor in place Remove flexible brake line Remove caliper mounting bolts Slide caliper off rotor
Why do caliper bolts back out on a Chevy K5 Blazer 4*4?
3/8
the caliper bolts require a 3/8" Allen wrench. You can buy these as a socket at just about any parts store.
you remove the whell and then remove the bolts from the back of the calipier then remove the bolts from the monuting for the caliper then remove the rotor by pulling it off. if it is all one piece then you have to remove the hub itself
A 3/8" Allen wrench is used to r&r the caliper bolts.
front caliper two bolts on back of caliper one on top one on bottom remove both bolts an pull caliper up an off rotor that's all
Remove wheel Re-install 2 lug bolts to hold rotor in place Remove flexible brake line Remove caliper mounting bolts Slide caliper off rotor