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Nissan Versa Note. Manual - part 108

REAR DRUM BRAKE

BR-41

< REMOVAL AND INSTALLATION >

• Do not drop the removed parts.

• Do not spill or splash brake fluid on the brake drum.

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.

REMOVAL

1. Remove the wheel and tire using power tool. Refer to

WT-45, "Exploded View"

2. Remove the brake drum. Refer to

RAX-6, "Removal and Installation"

NOTE:

• Make sure the parking brake is fully released prior to removal of the brake drum.

• The rear wheel hub is part of the brake drum.

3. Remove the retainers (1) by pushing them inward toward the

vehicle and rotating. This will release the shoe hold pins, brake

shoes, each retainer, and adjuster.

CAUTION:

Do not damage the wheel cylinder boots.

4. Disconnect the parking brake cable from operating lever.

CAUTION:

Do not bend the operating lever.

5. Disassemble the brake shoes, each spring, and adjuster.
6. Remove the wheel cylinder using the following procedure:
a. Disconnect the brake tube from the wheel cylinder.
b. Remove the two bolts and wheel cylinder from back plate.
7. Perform inspection after removal. Refer to

BR-42, "Inspection

and Adjustment"

INSTALLATION

CAUTION:

• Replace the parts if they have been dropped or sustained an impact.

• Do not damage the wheel cylinder.

• Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.

Installation is in the reverse of removal.

• Check the difference between left and right adjuster.

: Front

• Shorten the length of the adjuster by rotating it.

• For grease type and placement, refer to

BR-40, "Exploded View"

JSFIA0636ZZ

JSFIA1056ZZ

Adjuster

Direction

Left side

Left screw

Right side

Right screw

JPFIA0904ZZ

BR-42

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

• Check drum brake components for proper installation.

• Check the brake shoe linings and brake drum inner surface for

grease. Make sure that grease does not contact the lining material

or drum inner surface.

• Perform the air bleeding after installing a new or rebuilt wheel cyl-

inder. Refer to

BR-12, "Bleeding Brake System"

• Step on the brake pedal several times after installing the brake

drum.

• Perform the inspection after installation. Refer to

BR-42, "Inspec-

tion and Adjustment"

Disassembly and Assembly

INFOID:0000000009364859

DISASSEMBLY

1. Remove boots from wheel cylinder. Refer to

BR-40, "Exploded View"

2. Remove pistons, piston cups and spring from wheel cylinder.

CAUTION:

Pull the pistons out from the wheel cylinder to prevent the wheel cylinder inner wall from being

damaged.

3. Remove piston cups from pistons.
4. Perform inspection after disassembly. Refer to

BR-42, "Inspection and Adjustment"

ASSEMBLY

1. Apply clean brake fluid to the new piston cups (1) and pistons

(3).

2. Apply Syntheso® GLEP1 grease or equivalent to boots (2).
3. Install piston cups and new boots to pistons (3).

CAUTION:

• Do not mistake the direction of pistons.

• Do not reuse piston cups and boots.

4. Apply clean brake fluid to wheel cylinder inner wall, and install

spring and pistons into wheel cylinder.

CAUTION:

Do not damage the wheel cylinder inner wall.

5. Install boots to wheel cylinder. Refer to

BR-40, "Exploded View"

6. Perform inspection after assembly. Refer to

BR-42, "Inspection and Adjustment"

Inspection and Adjustment

INFOID:0000000009364860

INSPECTION AFTER REMOVAL

Check the following items and replace if necessary.

• Check the brake shoe lining for excessive wear, damage, and peeling.

• Check each spring for settling, excessive wear, damage, and rust.

• Check the adjuster for smoothness, and check it for excessive wear, damage, and rust.

• Check the back plate for damage, cracks, and deformation.

• Check the wheel cylinder for cracks, damage, and leaks.

• Visually check the brake drum for excessive wear, cracks, and damage.

INSPECTION AFTER DISASSEMBLY

Check the following items and replace if necessary.

• Check the wheel cylinder inner wall for excessive wear, cracks, and damage.

• Check the pistons for excessive wear and damage.

INSPECTION AFTER ASSEMBLY

Check that the pistons move smoothly.

INSPECTION AFTER INSTALLATION

1. Check that the drum brake component parts are installed properly.

JSFIA0637ZZ

JPFIA0915ZZ

REAR DRUM BRAKE

BR-43

< REMOVAL AND INSTALLATION >

2. Rotate the brake drum and check that there is no drag. Perform the following procedure if necessary:
a. Remove the brake shoes. Refer to

BR-40, "Removal and Installation"

b. Push the pistons.

CAUTION:

Push both side of the piston simultaneously.

c. Install the brake shoes. Refer to

BR-40, "Removal and Installation"

3. Inspect and adjust the parking brake. Refer to

PB-4, "Inspection and Adjustment"

4. Check drag of rear drum brake again. If any drag is found, disassemble the wheel cylinder and replace if

necessary. Refer to

BR-42, "Disassembly and Assembly"

5. Perform brake burnishing. Refer to

BR-17, "BRAKE LINING : Brake Burnishing"

BR-44

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specifications

INFOID:0000000009364861

Unit: mm (in)

Brake Pedal

INFOID:0000000009364862

Unit: mm (in)

Check Valve

INFOID:0000000009641741

Brake Booster

INFOID:0000000009364863

Unit: mm (in)

Front Disc Brake

INFOID:0000000009364864

Unit: mm (in)

Front brake

Cylinder bore diameter

54.025 (2.13)

Pad length

× width × thickness

115.0

× 42.0 × 9.0 (4.53 × 1.654 × 0.354)

Rotor outer diameter

× thickness

260

× 22.0 (10.24 × 0.87)

Rear brake

Cylinder bore diameter

19.05 (3/4)

Lining length

× width × thickness

Trailing: 172

× 37 × 4.8 (6.77 × 1.46 × 0.19)

Leading: 155

× 37 × 4.8 (6.10 ×1.46 × 0.19)

Drum inner diameter - new

203.2 (8.00)

Master cylinder

Cylinder bore diameter

22.23 (0.875)

Control valve

Valve type

Electric brake force distribution

Brake booster

Diaphragm diameter

255 (10)

Recommended brake fluid

Refer to

MA-11, "Fluids and Lubricants"

Item

Standard

Brake pedal height

158

±5 (6.22 ±0.20)

Clearance between brake pedal lever and the stop lamp switch threaded end

0.2 – 1.96 (0.008 – 0.077)

Brake pedal full stroke

128 (5.04)

Vacuum applied at intake manifold side.

0 kPa (0 mmHg, 0 inHg)

Vacuum leakage
[at vacuum of -66.7 kPa (-500 mmHg, -19.69 inHg) applied at
booster side.]

Within 1.3 kPa (10 mmHg, 0.39 inHg) of vacuum for 15 seconds.

Item

Standard

Input rod length

125 (4.92)

Item

Limit

Brake pad

Wear thickness

2.0 (0.08)

Disc rotor

Wear thickness

20.0 (0.787)

Thickness variation (measured at 8 positions)

0.013 (0.001)

Runout (with it attached to the vehicle)

0.055 (0.002)

Content .. 106 107 108 109 ..