Disassembly and Assembly of Caliper Assembly: Disassembly

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Remove the sliding pin bolt, and then remove the pad, shim, shim cover, and pad retainer from the torque member.
Remove sliding pins and sliding pin boots from torque member.
Place a wooden block as shown, and blow air from union bolt mounting hole to remove pistons and piston boots.
WARNING: Do not get your fingers caught in the piston.

Fig 1: Removing Pistons & Piston Boots
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the piston seal from the cylinder body using a screwdriver or suitable tool.
CAUTION: Be careful not to damage cylinder inner wall.

Fig 2: Removing Piston Seal From Cylinder Body
Courtesy of NISSAN MOTOR CO., U.S.A.