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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2190 (Brake System) >> Unit Disassembly And Assembly >> Brake Master Cylinder >> Disassembly and Assembly >> Disassembly
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Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Master cylinder sub-assembly cannot be disassembled.
  • Remove reservoir tank only when absolutely necessary.
  • While working, cover the primary piston rod with a cloth to prevent it from being damaged.
  • Never use mineral oils such as kerosene, gasoline during the cleaning and assembly process.
  • Do not drop parts. If a part is dropped, do not use it.
  1. Secure the flange of the master cylinder sub-assembly in a vise.
    CAUTION:
    • Use copper plates or a cloth to cover the flange before securing it in the vise.
    • When securing the master cylinder sub-assembly in a vise, be sure not to over-tighten the vise.
    Fig 1: Holding Master Cylinder Sub-Assembly Flange In Vise
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  2. Remove the pin and pull the reservoir tank off of the master cylinder sub-assembly.
  3. Remove the grommets from the master cylinder sub-assembly body.
    CAUTION: Do not reuse grommets.
  4. Remove the restriction washer from the master cylinder sub-assembly body.
    CAUTION: Do not reuse restriction washer.
  5. Remove the fluid level sensor.
  6. Remove the fluid pressure sensors (if equipped).
    CAUTION: Do not reuse fluid pressure sensors.