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Nissan Sentra. Manual - part 141

BR-6

< PREPARATION >

PREPARATION

Brake caliper wrench

Return the piston

Brake drum clearance gauge

Measuring rear rotor drum inner diameter

Power tool

Loosening nuts, screws and bolts

Tool name

Description

NNFIA0040ZZ

WFIA0167E

PIIB1407E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

BR-7

< SYSTEM DESCRIPTION >

SYSTEM DESCRIPTION

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000009755983

Use the chart below to find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable

Reference page

Possible cause and
SUSPECTED PARTS

r li

nin

r li

nin

wea

s da

tor im

bal

Rot

dru

Rotor runout

tor de

form

ion

tor

or d

rum

efl

ectio

tor

or d

rum

Roto

r th

ria

tio

LE A

SUSPENSION

ROAD W

DRIVE

SHAFT

EERING

Symptom

BRAKE

Noise

Shake

Shimmy, Shudder

BR-8

< BASIC INSPECTION >

BRAKE PEDAL

BASIC INSPECTION

BRAKE PEDAL

Inspection

INFOID:0000000009755984

BRAKE PEDAL HEIGHT

Check the brake pedal height (H

) between the dash lower panel (1)

and the brake pedal upper surface.

CAUTION:

Check the brake pedal height with the floor trim removed.

STOP LAMP SWITCH AND BRAKE PEDAL POSITION SWITCH

Check the clearance (A) between the switch assembly bracket (3),

the stop lamp switch (2) and the brake pedal position switch (if

equipped) (1).

CAUTION:

The stop lamp must turn off when the brake pedal is released.

NOTE:

Pull the brake pedal pad to check that both the stop lamp switch (2)

and brake pedal position switch (1) contact ends to brake pedal

bracket (3) clearance (A) are within specification.

BRAKE PEDAL PLAY

Check that brake pedal play does not exist.

DEPRESSED BRAKE PEDAL HEIGHT

Check the brake pedal height (H

) between the dash lower panel (1)

and the brake pedal upper surface when depressing the brake pedal

at 490 N (50 kg, 110 lb) while turning engine ON.

CAUTION:

Check the depressed brake pedal height with the floor trim

removed.

Brake pedal height (H

) : Refer to

BR-54, "Brake Pedal"

JPFIA0065ZZ

Clearance (A) : Refer to

BR-54, "Brake Pedal"

ALFIA0248ZZ

Depressed brake pedal
height (H

: Refer to

BR-54, "Brake Pedal"

JPFIA0068ZZ

BRAKE FLUID

BR-9

< BASIC INSPECTION >

BRAKE FLUID

Inspection

INFOID:0000000009755985

BRAKE FLUID LEVEL

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

the MAX and MIN lines.

• Visually check around the reservoir tank for brake fluid leakage.

• If the brake fluid level is excessively low, check the brake system

for leakage.

• If brake warning lamp remains illuminated after parking brake

pedal is released, check the brake system for brake fluid leakage.

BRAKE LINE

1. Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged

parts.

2. Check for brake fluid leakage by depressing brake pedal under

a force of 785 N (80 kg-f, 177 lb-ft) for approximately 5 seconds

while engine is running.

CAUTION:

If brake fluid leakage occurs around joints, retighten or

replace damaged parts as necessary.

ALDIA0406ZZ

SBR389C

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