A 3/8" Allen socket or wrench will work.
the caliper bolts require a 3/8" Allen wrench. You can buy these as a socket at just about any parts store.
15mm Socket size.
3/8"
15 mm socket and ratchet for the caliper to bracket. if not it is a 13 mm socket and ratchet. the bracket to spindle is 18mm socket and ratchet
There is no need for a special tool to remove the caliper. It is removed like most other GM calipers. Retract the piston in the caliper and remove the Allen bolts that mount the unit to the A frame, then raise it up.additionThere is a special socket available at any parts store which is alot user friendly than fighting with sticky caliper pins with an Allen wrench. it's a 5 dollar socket that is basically an Allen wrench head jammed into a socket.
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.
A 11/16 socket is needed to remove the 1984 Chevrolet pickup front axle hub assembly. The socket should be a five-point socket.
You need a 3/8 Allen Wrench
It should be a 3/8" Allen wrench.
It takes a T55 Torx bit on the front calipers.
Front or rear, remove wheel, remove caliper, remove caliper bracket, remove rotor.
3/8" hex bit socket.