With VDC Models: Disassembly

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Place the side flange of cylinder body with chamfering around the pin insertion hole facing up, and firmly set master cylinder assembly in a vise.
CAUTION:
- When setting the master cylinder assembly with the vise, be sure not to over tighten.
- When securing with a vise, use copper plates or cloth to protect the flange.
  
  Fig 1: Identifying Master Cylinder Assembly In Vise
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove pin on the reservoir tank, using a suitable tool [commercial service tool: diameter approx. 4 mm (0.16 in)].
Remove master cylinder assembly from the vise.
Remove reservoir tank and grommets from cylinder body.

Fig 2: Identifying Pin On Reservoir Tank
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove brake fluid level switch from reservoir tank, if necessary.
Push in the primary piston and remove the piston stopper from the cylinder body.
CAUTION: Be careful not to damage the inner wall of the cylinder.

Fig 3: Removing/Installing Piston Stopper At Cylinder Body
Courtesy of NISSAN MOTOR CO., U.S.A.
Carefully pull the primary piston assembly straight out to prevent cylinder inner wall from being damaged using a suitable tool.

Fig 4: Pulling Primary Piston Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Holding the rod of the primary piston, remove the primary piston assembly, the plate and the guide.
CAUTION: Pull components straight out to prevent cylinder inner wall from being damaged.
Remove the plate and guide from the primary piston.
CAUTION: Be careful not to damage the rod on the inner wall of the plate.