Nissan Xterra. Manual - part 79

BRAKE TUBE AND HOSE

BR-25

< REMOVAL AND INSTALLATION >

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Brake pipes and hoses are important safety parts. Always disassemble the parts and retighten their fit-

tings if a brake fluid leak is detected. Replace applicable part with a new one, if a damaged part is

detected.
1. Check brake pipes and hoses, and connections for fluid leaks, damage, twist, deformation, contact with

other parts, and loose connections. Replace any parts as necessary. Refer to 

BR-12, "Hydraulic Circuit"

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2. While depressing brake pedal under a force of 785 N (80 kg-f, 177 lb-f) with engine running for approxi-

mately 5 seconds, check each part for fluid leaks.

BR-26

< REMOVAL AND INSTALLATION >

BRAKE MASTER CYLINDER

BRAKE MASTER CYLINDER

Removal and Installation

INFOID:0000000009484656

CAUTION:

Be careful 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. 

NOTE:

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

ing.

REMOVAL

1. Remove reservoir cap.
2. Disconnect the harness connectors for the fluid level sensor.

1.

Reservoir cap

2.

Strainer

3.

Fluid level sensor

4.

Reservoir tank

5.

Grommet

6.

Restriction washer

7.  Master cylinder sub-assembly

8.

O-ring

9.

Brake booster

10. Pin

A.

PBC (Poly Butyl Cuprysil) grease 
or silicone based grease

B.

Brake fluid

C.

Fluid feed to clutch master cyl-
inder (M/T models only)

R.

Rubber grease

Front

AWFIA0785GB

BRAKE MASTER CYLINDER

BR-27

< REMOVAL AND INSTALLATION >

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3. Disconnect the brake pipes from the master cylinder assembly.
4. Remove the brake pipes from the ABS actuator and electric unit (control unit).
5. Remove the master cylinder assembly nuts and discard.

CAUTION:

Do not reuse the nuts.

6. Remove the master cylinder assembly and O-ring.

CAUTION:

Do not reuse O-ring.

7. Remove the fluid level sensor if required.

INSTALLATION

Installation is in the reverse order of removal.

• Use new master cylinder assembly nuts for installation.

CAUTION:

Do not reuse the master cylinder assembly O-ring or nuts.

• Apply silicone grease to the brake booster at position (A) as

shown, be sure O-ring is in proper position when installing the

master cylinder assembly to the brake booster.

• Refill the brake fluid and bleed the brake system. Refer to 

BR-17,

"Bleeding Brake System"

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CAUTION:

• Refill using recommended brake fluid. Refer to 

BR-17,

"Drain and Refill"

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• Do not reuse drained brake fluid.

• Adjust the brake pedal. Refer to 

BR-15, "Inspection and Adjust-

ment"

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JPFIA0013ZZ

BR-28

< REMOVAL AND INSTALLATION >

BRAKE BOOSTER

BRAKE BOOSTER

Removal and Installation

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Brake Booster and Vacuum Hose

CAUTION:

• Be careful not to deform or bend brake piping while removing and installing brake booster.

• Replace clevis pin if it is damaged.

• Be careful not to damage brake booster stud bolt threads. If brake booster is tilted or inclined during

installation, dash panel may damage the threads.

• Attach the check valve in the correct direction.

NOTE:

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

ing.

AWFIA0463GB

1.

Brake booster vacuum hose

2.

Brake booster vacuum check valve 3.

Brake booster

4.

Lock nut

5.

Gasket

6.

Spacer block

Front