Disassembly and Assembly of Brake Caliper: Disassembly

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Remove 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
CAUTION: Do not get your fingers caught in piston.

Fig 1: Blowing Air From Union Bolt
Courtesy of NISSAN MOTOR CO., U.S.A.
Using a suitable tool, remove piston seal from cylinder body.

CAUTION:

Be careful not to damage cylinder inner wall.
Do not reuse piston seal.

Fig 2: Removing Piston Seal From Cylinder Body

Courtesy of NISSAN MOTOR CO., U.S.A.