Nissan Pathfinder. Manual — part 227
BR-16
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BRAKE FLUID
BRAKE FLUID
Drain and Refill
INFOID:0000000009177178
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
(United States and Canada) or
MA-16, "FOR MEXICO : Fluids and Lubricants"
• 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
(front disc brake),
(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
< PERIODIC MAINTENANCE >
FRONT DISC BRAKE
FRONT DISC BRAKE
Brake Burnishing
INFOID:0000000009177180
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
INFOID:0000000009177181
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.
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