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Nissan Altima L32. Manual - part 144

BR-14

< ON-VEHICLE MAINTENANCE >

BRAKE PEDAL

1. Loosen the stop lamp switch and ASCD cancel switch by turning

it counterclockwise by 45

°.

2. Loosen lock nut (A) on the input rod, then turn input rod to adjust

the brake pedal height to specification, and tighten lock nut (A).

CAUTION:

Make sure the threaded end of input rod stays inside clevis.

3. With the pedal pulled up and held by hand, press the stop lamp

switch and ASCD cancel switch until the threaded end contacts

the stopper.

4. With the threaded end of the stop lamp switch and ASCD cancel

switch contacting the bracket, rotate the switch clockwise by 45

to secure.

CAUTION:

Make sure that the clearance (C) between bracket and end

of stop lamp switch and brake switch is within the standard.

Refer to

BR-13, "Inspection and Adjustment"

5. Check the brake pedal for smooth operation.

CAUTION:

Make sure that stop lamps are off when the brake pedal is

released.

6. Start the engine to check brake pedal depressed height. Refer to

BR-13, "Inspection and Adjustment"

PFIA0436E

BRAKE FLUID

BR-15

< ON-VEHICLE MAINTENANCE >

BRAKE FLUID

Inspection

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BRAKE FLUID LEVEL

• Make sure that a brake fluid level in reservoir tank is within the

specified range between the MAX and MIN lines.

• Visually check around reservoir tank for fluid leaks.

• If the level is excessively low, check brake system for leaks.

• Release parking brake pedal and see if brake warning lamp goes

off. If not, check brake system for fluid leaks.

BRAKE LINE

CAUTION:

If leakage occurs around joints, retighten or, if necessary, replace damaged parts.
1. Check brake lines (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged

parts.

2. Check for oil leaks by fully depressing brake pedal while the

engine is running.

Drain and Refill

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DRAINING

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.

• Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery

cable from the negative terminal.

1. Connect a vinyl tube to bleed valve.
2. Depress brake pedal, loosen bleed valve, and gradually remove

brake fluid.

REFILLING

CAUTION:

• Refill with new brake fluid “DOT 3”.

• Never reuse drained brake fluid.

SFIA2484E

SBR389C

BRA0007D

BR-16

< ON-VEHICLE MAINTENANCE >

BRAKE FLUID

• Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery

cable from the negative terminal.

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

refill with new brake fluid.

2. Loosen bleed valve, depress brake pedal slowly to full stroke

and then release it. Repeat the procedure every 2 or 3 seconds

until the new brake fluid comes out, then close the bleed valve

while depressing the pedal. Repeat the same work for each

wheel.

3. Bleed air. Refer to

BR-16, "Bleeding Brake System"

Bleeding Brake System

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BLEEDING BRAKE SYSTEM

CAUTION:

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

• Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery

cable from the negative terminal.

1. Connect a vinyl tube to rear right brake caliper bleed valve.
2. Fully depress brake pedal 4 or 5 times.
3. With brake pedal depressed, loosen bleed valve to bleed air in brake line, and then tighten it immediately.
4. Repeat steps 2 and 3 until all of the air is out of the brake line.
5. Tighten the bleed valve to the specified torque. Refer to front disc brake:

BR-30, "BRAKE CALIPER

ASSEMBLY : Exploded View"

, rear disc brake:

BR-35, "BRAKE CALIPER ASSEMBLY : Exploded View"

6. From step 1 to 5, with master cylinder reservoir tank filled at least half way, bleed air from brake hydraulic

line bleed valves in the following order:

Rear right brake

→Front left brake→Rear left brake→Front right brake

PFIA0403J

BRAKE PEDAL

BR-17

< ON-VEHICLE REPAIR >

ON-VEHICLE REPAIR

BRAKE PEDAL

Exploded View

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NOTE:
The clevis pin must be installed from the right side as shown above.

Removal and Installation

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REMOVAL

1. Remove the instrument lower cover (LH) and lower knee protector (LH). Refer to

IP-11, "Exploded View"

2. Remove the console side finisher (LH). Refer to

IP-11, "Exploded View"

3. Remove the accelerator pedal. Refer to

ACC-3, "Removal and Installation"

4. Disconnect the stop lamp switch and ASCD cancel switch connector.
5. Remove the stop lamp switch and ASCD cancel switch from the brake pedal assembly.
6. Remove the snap pin and clevis pin to disconnect the brake booster clevis from the brake pedal assembly.

CAUTION:

Do not reuse the snap pin and clevis pin.

7. Remove the brake booster clevis from the input rod.
8. Disconnect the steering column assembly pinch bolt to position the steering column assembly aside.

Refer to

ST-14, "Exploded View"

9. Remove the brake pedal assembly nuts.
10. Remove the brake pedal assembly.

INSTALLATION

Installation is in the reverse order of removal.

• Tighten the lock nut to the specified torque. Refer to

BR-24, "Exploded View"

• Adjust the brake pedal height after installing the brake pedal assembly. Refer to

BR-13, "Inspection and

Adjustment"

CAUTION:

Do not reuse the snap pin and clevis pin.