QX56 AWD V8-5.6L (VK56DE) (2005)
3. Place a wooden block as shown in the figure, and blow air from union bolt mounting hole to remove piston and piston boot.
CAUTION: Do not get your fingers caught in piston.
4. Using a flat-bladed screwdriver, remove piston seal from cylinder body.
CAUTION: Be careful not to damage cylinder body inner wall.
ASSEMBLY
CAUTION: Do not use NISSAN Rubber Grease (KRE00 00010, KRE00 00010 01) when assembling.
1. Apply clean brake fluid to new piston seal and insert in to groove on cylinder body. Refer to "RECOMMENDED FLUIDS AND LUBRICANTS".
CAUTION: Do not reuse piston seal.
2. Apply brake fluid to piston and to piston boot, then install piston boot in to piston groove.
CAUTION: Do not reuse piston boot.
3. Insert into cylinder body by hand and insert piston boot piston-side lip into piston groove.