Nissan Sentra B18 (2020-2025) Service Manual: Bleeding Brake System
CAUTION:
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Before working, place the ignition switch in the OFF position and disconnect the harness connector from the ABS actuator and electric unit (control unit) or the negative battery terminal. Refer to Battery Disconnect.
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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.
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Do not operate the brake pedal with the reservoir cap removed. Failure to do this may cause a discharge of brake fluid from the reservoir cap opening.
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Check that there is no foreign material in the master cylinder reservoir tank.
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Do not allow oils other than brake fluid to enter the master cylinder reservoir tank.
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Do not reuse drained brake fluid.
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Monitor the brake fluid level in the master cylinder reservoir tank while performing the air bleeding.
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Refill the brake system with new brake fluid. Refer to Fluids and Lubricants.
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Do not operate the brake pedal excessively during the work procedure.
BLEEDING BRAKE SYSTEM
Place the ignition switch in the OFF position and disconnect the harness connector from the ABS actuator and electric unit(control unit) or the negative battery terminal. Refer to Battery Disconnect.
If equipped with a manual transmission, bleed the clutch system. Refer to Air Bleeding.
Connect a vinyl tube to the front (RH) brake caliper bleeder valve.
Depress the brake pedal 4 or 5 times.
With the brake pedal depressed, loosen the bleeder valve to bleed air in the brake line, and then tighten it immediately.
Repeat steps 4 and 5 until all of the air is out of the brake line.
Tighten the bleeder valve to the specified torque. Refer to Exploded View for the front brake caliper bleeder valve, or to Exploded View for the rear wheel cylinder bleeder valve, or to Exploded View for the rear brake caliper bleeder valve.
Repeat steps 3 through 7 with the master cylinder reservoir tank filled at least halfway. Bleed the air in the following order: front (RH) —> front (LH) —> rear (RH) —> rear (LH).
Refilling
Refilling
CAUTION:
Before working, place the ignition switch in the
OFF position and disconnect the harness connector from the ABS
actuator and electric un ...
Brake Piping
...
Other materials:
Exploded View
Exploded View
1.
Clutch pedal
2.
Clutch master cylinder
...
The illumination control switch is inoperative
Description
If any of the following malfunctions is found for the illumination control
switch operation.
All switches are inopera
The specified switch cannot be operated
Diagnosis procedure
1.Check illumination control switch signal circuit
Check the illumination control switch signal ...
Diagnosis system (bcm)
Common item
Common item : consult function (bcm - common item)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
Direct Diagnostic Mode
Description
ECU identification
The BCM part number is displayed.
Self Diagnostic Result
...
