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Nissan Versa Sedan. Instruction - part 101

BR-42

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

• 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 assemblies using power tool. Refer to

WT-39, "Adjustment"

2. Drain the brake fluid when removing or disassembling the wheel cylinder is necessary. Refer to

BR-11,

"Draining"

3. Remove the brake drum. Refer to

RAX-6, "Exploded View"

NOTE:

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

• The rear wheel hub is housed inside the brake drum.

4. Remove the springs (1) by pushing them inward toward the

vehicle and rotating, this will release the shoe hold pins, and the

brake shoe assembly (brake shoes, each spring, and adjuster).

CAUTION:

Do not damage the boot of the wheel cylinder.

5. Disconnect the parking brake cable from operating lever.

CAUTION:

Do not bend the parking brake lever.

6. Disassemble the brake shoe assembly (brake shoe, each

spring, and adjuster).

7. Remove the wheel cylinder with the following procedure.
a. Disconnect the brake tube from the wheel cylinder.
b. Remove the two bolts and the wheel cylinder from back plate.
8. Perform inspection after removal. Refer to

BR-43, "Inspection

and Adjustment"

INSTALLATION

WARNING:

Since dust covering the rear brake has an affect on human body, the dust must be removed with a

dust collector. Do not splatter the dust with an air blow gun.

CAUTION:

• Do not depress the brake pedal while removing the brake drum.

• Do not drop the removed parts.

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

Note the following, and install in the reverse of removal.

• Check the difference between left and right wheel of adjuster.

JSFIA0636ZZ

JSFIA1056ZZ

2014 Versa Sedan

REAR DRUM BRAKE

BR-43

< REMOVAL AND INSTALLATION >

: Front

• Shorten the length of the adjuster by rotating it.

• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-

ing surfaces between the adjusters and the brake shoes.

• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-

ing surfaces between the back plates and the brake shoes.

• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-

ing surfaces between the wheel cylinders and brake shoes.

• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mating surfaces between the brake shoe

anchor areas and brake shoes.

• Do not damage the wheel cylinder.

• Check the component parts of drum brake assembly are installed

properly.

• Check the brake shoe sliding surface and brake drum inner sur-

face for grease. Make sure that grease does not contact the lining

material.

• Perform the air bleeding when removed or disassembled the wheel

cylinder. Refer to

BR-12, "Bleeding Brake System"

• Do not allow foreign matter (e.g. dust) and oils other than brake

fluid to enter the reservoir tank.

• Adjust the brake shoe clearance (parking brake lever stroke) after

install and air bleeding. Refer to

PB-4, "Inspection and Adjust-

ment"

Disassembly and Assembly

INFOID:0000000009267562

DISASSEMBLY

1. Remove the boot from wheel cylinder. Refer to

BR-41, "Exploded View"

2. Remove the piston, piston cup and spring from wheel cylinder.

CAUTION:

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

damaged.

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

BR-43, "Inspection and Adjustment"

ASSEMBLY

1. Apply rubber grease to the piston cup (1) and boot (2).
2. Install piston cup and boot to piston (3).

CAUTION:

• Do not mistake the direction.

• Do not reuse piston cup and boot.

3. Apply new brake fluid to piston and wheel cylinder inner wall,

and install spring, piston cover, piston to wheel cylinder.

CAUTION:

Do not damage the wheel cylinder inner wall.

4. Install the boot to wheel cylinder. Refer to

BR-41, "Exploded

View"

5. Perform inspection after assembly. Refer to

BR-43, "Inspection and Adjustment"

Inspection and Adjustment

INFOID:0000000009267563

INSPECTION AFTER REMOVAL

Check the following items and replace if necessary.

Adjuster

Direction

Left side

Left screw

Right side

Right screw

JPFIA0904ZZ

JSFIA0637ZZ

JPFIA0915ZZ

2014 Versa Sedan

BR-44

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

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

• Check the brake shoe sliding surface for excessive wear and damage.

• 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 leakage of brake fluid.

• Visually check the brake drum for excessive wear, cracks, and damage with a pair of vernier calipers.

• Check the drum brake component parts for excessive wear, damage, and rust.

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 piston for excessive wear and damage.

INSPECTION AFTER ASSEMBLY

Check that the piston moves smoothly.

INSPECTION AFTER INSTALLATION

1. Check that the component parts of drum brake assembly are installed properly.
2. Rotate the brake drum and check that there is no drag. Perform the following procedure if necessary.
3. Remove the brake shoe. Refer to

BR-41, "Removal and Installation"

4. Push the piston.

CAUTION:

Push both side of the piston simultaneously.

5. Install the brake shoe. Refer to

BR-41, "Removal and Installation"

6. Adjust the brake shoe clearance (parking brake lever stroke). Refer to

PB-4, "Inspection and Adjustment"

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

if necessary. Refer to

BR-43, "Disassembly and Assembly"

8. Burnish contact surface between brake lining and brake drum after refinishing or replacing brake lining or

brake drum, or if a soft pedal occurs at very low mileage. Refer to

BR-17, "BRAKE LINING : Inspection

and Adjustment"

(brake lining),

BR-17, "BRAKE DRUM : Inspection and Adjustment"

(brake drum).

ADJUSTMENT AFTER INSTALLATION

Adjust the brake shoe clearance (parking brake lever stroke). Refer to

PB-4, "Inspection and Adjustment"

2014 Versa Sedan

SERVICE DATA AND SPECIFICATIONS (SDS)

BR-45

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specifications

INFOID:0000000009267564

Unit: mm (in)

Brake Pedal

INFOID:0000000009267565

Unit: mm (in)

Brake Booster

INFOID:0000000009267566

Unit: mm (in)

Front Disc Brake

INFOID:0000000009267567

Unit: mm (in)

Rear Drum Brake

INFOID:0000000009267568

Unit: mm (in)

Front brake

Cylinder bore diameter

54.025 (2.13)

Pad length

× width × thickness

115.0

× 41.0 × 9.0 (4.53 × 1.614 × 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

19 (0.75)

Control valve

Valve type

Electric brake force distribution

Brake booster

Diaphragm diameter

255 (10)

Recommended brake fluid

Refer to

MA-12, "Fluids and Lubricants"

Item

Standard

Brake pedal height

158

±5 (6.22 ±0.20)

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

0.2 – 1.96 (0.008 – 0.0772)

Brake pedal full stroke

128 (5.04)

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)

Item

Limit

Brake lining

Wear thickness

1.0 (0.04)

Brake drum

Wear inner diameter- maximum

204.2 (8.04)

2014 Versa Sedan

Content .. 99 100 101 102 ..