Manual Locking Hub
WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2001 Isuzu VehiCROSS, 2001 Isuzu Trooper, 2001 Isuzu Rodeo Sport, 2001 Isuzu Rodeo, and 2001 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.
See FRONT DISC BRAKE ROTOR under REMOVAL & INSTALLATION in appropriate DISC & DRUM article in BRAKES.