The last one of those I worked on was 3/8 Allen key
"Caliper anchor bolts" hold the brake caliper on, they require a 3/8" Allen wrench to remove.
To effectively loosen a brake caliper, you can use a wrench to loosen the bolts that secure it in place. Make sure to support the caliper to prevent damage to the brake line. Once the bolts are loosened, gently wiggle the caliper to remove it from the rotor. Be cautious not to damage the brake line or other components.
use an Allen wrench not a socket or open or box wrench.
It takes a FA12A Allen wrench.
You need 15 and 18 mm wrench.
It is important to check if the brake caliper bolts are missing from your vehicle.
7MM
It's 17mm bolts on that year Camry.
You need a 7mm Allen wrench for the caliper bolts.
Remove the caliper retaining bolts from the inside of the caliper. Lift the caliper off the mounting bracket and over the rotor. Slide the old inner and outer brake pads out of the caliper, and slide the new brake pads into the caliper.
To replace disc brake pads on a bike, first remove the wheel and locate the brake caliper. Use an Allen wrench to loosen the caliper bolts and slide out the old brake pads. Insert the new pads, making sure they are aligned properly. Tighten the caliper bolts and test the brakes before riding.
It is unclear if the caliper bolts are missing from the vehicle's brake system.