Without 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.

Lift up the tabs on the stopper cap and remove it from the master cylinder using a suitable tool as shown in illustration. The piston inside the master cylinder might pop out when this is done, so hold the stopper cap down at the same time.

Fig 1: Removing Stopper Cap From Master Cylinder Using Screwdriver
Courtesy of NISSAN MOTOR CO., U.S.A.
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 2: 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 3: 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 piston and remove the piston stopper from the cylinder body using a suitable tool.

Fig 4: Pushing Piston
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 5: Pulling Primary Piston Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Tap flange using a soft block such as wood, and carefully pull the secondary piston assembly straight out to prevent cylinder inner wall from being damaged.

Fig 6: Pulling Out Secondary Piston Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.