Nissan Murano: Brake System :: Removal and Installation / Brake Master Cylinder

Exploded View

1.	Sub tank cap	2.	Sub tank	3.	Sub tank bracket
4.	Clamp	5.	Hose	6.	Clamp
7.	Reservoir tank	8.	Grommet	9.	Cylinder body
10.	Pin	11.	O-ring
	Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
	Apply brake fluid.

CAUTION:

• Do not spill or 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.

• 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

Remove sub tank cap.

Remove the sub tank bracket nuts (A), release the brake fluid level switch harness clips (B) and position the sub tank assembly (1) aside.

Remove air cleaner case as an assembly. Refer to Removal and Installation.

Disconnect the brake pipes from the master cylinder assembly with a flare nut wrench.

CAUTION:

Do not scratch the flare nut or the brake pipe.

Remove the master cylinder assembly.

CAUTION:

Do not depress the brake pedal after the master cylinder assembly is removed.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not spill or 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.

• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the brake booster (A) when installing the master cylinder assembly to the brake booster.

  

• Temporarily tighten the brake tube flare nut to the master cylinder assembly by hand. Then tighten it to the specified torque with a flare nut crowfoot and torque wrench. Refer to Exploded View.

  CAUTION:

  Do not scratch the flare nut or the brake pipe.

• After installation, perform the air bleeding. Refer to Bleeding Brake System.

DISASSEMBLY

CAUTION:

• Do not disassemble the cylinder body.

• Remove the reservoir tank only when necessary.

• Do not drop removed parts. The parts must not be reused if they are dropped.

Secure the master cylinder assembly in a vise.

CAUTION:

Always use copper plates or cloth between vise and cylinder body. Do not overtighten the vise.

Remove the reservoir tank pin using suitable tools.

CAUTION:

Do not reuse the pin.

Remove the reservoir tank and grommets from the cylinder body. Discard the grommets.

CAUTION:

• Do not drop parts. Dropped parts must not be reused.

• Do not reuse the grommets.

ASSEMBLY

Apply new brake fluid to the grommets and install them to the cylinder body.

CAUTION:

Do not use mineral oil such as gasoline or light oil.

Install the reservoir tank to the cylinder body.

CAUTION:

Do not drop the parts during installation. The parts must not be reused if they are dropped.

Tilt the reservoir tank so that the pin can be inserted. Insert a pin using suitable tools.

CAUTION:

Do not reuse the pin.