9MM. Very hard to find. Snap-On tools has it. Maybe Sears.
Some Auto-parts stores will carry 9MM as a part of a large set of Metric hex bits; you will rarely find anyone selling them as a single hex bit.
Loosen and remove the caliper retaining bolts. Torx T-40 or T-45
9mm Allen wrench
NO!
Front caliper bolts 25 ft/lb Mounting bracket bolts 80ft/lb
Front caliper mounting bracket bolts torque to 57ft-lbs Front caliper pin bolts torque to 27ft.lbs Rear Caliper mounting bracket bolts torque to 38ft-lbs Rear caliper pins torque to 15ft-lbs
The 1995 Ford Taurus front bumper is held in place by four retaining bolts and six retaining clips. Remove the retaining bolts and pry outward on the retaining clips.
Tighten Caliper bolts to 25 Ft. Lbs.
caliper bolts are the two bolts that hold a brake caliper to the caliper mounting bracket. On both the front and rear of the vehicle (unless has rear drum brakes) the bolts have rubber boots around them working as slide pins.
The Toyota Corolla front bumper is held in place with eight retaining bolts. Remove the retaining bolts and the bumper will come off.
The front fenders on your Land Rover Discovery are held in place with eight retaining bolts. Remove the retaining bolts and the front fender will come off.
The 1982 Lincoln front door panel is held in place with four retaining bolts and 12 retaining clips. Remove the retaining bolts and pry outward on each retaining clip.
The Allen wrench size for the front caliper slide pin bolts is 3/8".