Nissan Maxima Service and Repair Manual: Brake master cylinder

Exploded View

1. Reservoir cap
2. Oil strainer (blue)
3. Master cylinder assembly
4. Brake fluid level switch harness connector
5. O-ring
2.  PBC (Poly Butyl Cuprysil) grease or silicone-based grease

Removal and Installation

CAUTION:

• Do not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, wash it away with water immediately.
• Refill with new brake fluid.
• Do not reuse drained brake fluid.

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

REMOVAL

1. Remove the engine room cover. Refer to EM-23, "Removal and Installation".
2. Remove the air cleaner and air duct. Refer to EM-24, "Removal and Installation".
3. Disconnect the harness connector from the brake fluid level switch.
4. Disconnect master cylinder brake tubes, using a suitable tool.
5. Remove master cylinder nuts.
6. Remove master cylinder assembly and O-ring.

CAUTION: Do not reuse O-ring.

INSTALLATION

Installation is in the reverse order of removal.

• Apply silicone grease to brake booster at position (A) as shown, be sure the O-ring is in proper position when installing master cylinder to brake booster.
  CAUTION: Do not reuse O-ring.
• Tighten brake tube flare nut to the specified torque using a suitable tool. Refer to BR-20, "Hydraulic Circuit".
• Refill the brake hydraulic system with new brake fluid and bleed air. Refer to BR-16, "Bleeding Brake System".
• If necessary, adjust the brake booster input rod length. Refer to BR-46, "Brake Booster".