Nissan Pathfinder. Manual - part 227

BR-16

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BRAKE FLUID

BRAKE FLUID

Drain and Refill

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CAUTION:

• Do not spill or splash brake fluid on painted surfaces. Brake fluid may damage paint. If brake fluid is

splashed on painted areas, wash it away with water immediately.

• Prior to repair, turn the ignition switch OFF, disconnect the ABS actuator and electric unit (control

unit) connector or negative battery terminal. Refer to 

PG-90, "Removal and Installation"

.

• Refill brake system with new brake fluid. Refer to 

MA-15, "FOR USA AND CANADA : Fluids and

Lubricants"

 (United States and Canada) or  

MA-16, "FOR MEXICO : Fluids and Lubricants"

 (Mexico).

• Do not reuse drained brake fluid.

DRAINING

1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector or nega-

tive battery terminal. Refer to 

PG-90, "Removal and Installation"

.

2. Connect a vinyl tube to bleeder valve.
3. Depress brake pedal, loosen bleeder valve, and gradually

remove brake fluid.

REFILLING

1. Make sure no foreign material is in the reservoir sub-tank, and

refill with new brake fluid. 

CAUTION:

Do not reuse drained brake fluid.

2. Refill the brake system as follows:

• Depress the brake pedal.

• Loosen bleeder valve.

• Slowly depress brake pedal to 2/3 of the brake pedal full

stroke.

• Tighten bleeder valve.

• Release brake pedal.

Repeat this operation at intervals of two or three seconds until

all old brake fluid is discharged. Add new brake fluid to master cylinder reservoir sub tank frequently.

CAUTION:

Do not allow master cylinder reservoir to empty as this may cause damage to master cylinder

internal components.

3. Bleed the air out of the brake hydraulic system. Refer to 

BR-16, "Bleeding Brake System"

.

Bleeding Brake System

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CAUTION:

• While bleeding, pay attention to master cylinder fluid level.

• Before working, disconnect ABS actuator and electric unit (control unit) connectors or negative bat-

tery terminal. Refer to 

PG-90, "Removal and Installation"

.

1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector or nega-

tive battery terminal. Refer to 

PG-90, "Removal and Installation"

.

2. Connect a vinyl tube to front right brake caliper bleeder valve.
3. Fully depress brake pedal 4 or 5 times.

BRA0007D

PFIA0403J

BRAKE FLUID

BR-17

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4. With brake pedal depressed, loosen bleeder valve to bleed air in brake line, and then tighten it immedi-

ately.

5. Repeat steps 3 and 4 until all of the air is out of the brake line.
6. Tighten the bleeder valve to the specified torque. Refer to 

BR-42, "Exploded View"

 (front disc brake), 

BR-

45, "Exploded View"

 (rear disc brake).

7. Repeat steps 2 through 6, with master cylinder reservoir tank filled at least halfway. Bleed the air in the fol-

lowing order: front right, front left, rear right, rear left.

BR-18

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FRONT DISC BRAKE

FRONT DISC BRAKE

Brake Burnishing

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CAUTION:

• Burnish contact surfaces between brake pads and disc rotor according to the following procedure

after refinishing the disc rotor, replacing brake pads or if a soft pedal occurs at very low mileage.

• Be careful of vehicle speed. Brakes do not operate firmly/securely until pads and disc rotor are

securely seated.

• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle on straight, flat road.
2. Depress the brake pedal until the vehicle stops.
3. Release the brake pedal for a few minutes to allow the brake components to cool.
4. Repeat steps 1 to 3 until pad and disc rotor are securely seated.

REAR DISC BRAKE

BR-19

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REAR DISC BRAKE

Brake Burnishing

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CAUTION:

• Burnish contact surfaces between brake pads and disc rotor according to the following procedure

after refinishing the disc rotor, replacing brake pads or if a soft pedal occurs at very low mileage.

• Be careful of vehicle speed. Brakes do not operate firmly/securely until pads and disc rotor are

securely seated.

• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle on straight, flat road.
2. Depress the brake pedal until the vehicle stops.
3. Release the brake pedal for a few minutes to allow the brake components to cool.
4. Repeat steps 1 to 3 until pad and disc rotor are securely seated.