Nissan March K13. Manual - part 42

 

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Nissan March K13. Manual - part 42

 

 

REAR DRUM BRAKE

BR-41

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

Disassembly and Assembly

INFOID:0000000005986608

DISASSEMBLY

1.

Remove the boot from wheel cylinder. Refer to 

BR-39, "Exploded View"

.

2.

Remove the piston cover, 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 boot and piston cup from piston.

ASSEMBLY

1.

Apply polyglycol ether based lubricant to the piston cup (1) and
boot (2), and install them to piston (3).

CAUTION:

• Never mistake the direction. 
• Never reuse piston cup and boot.

2.

Apply brake fluid to piston and wheel cylinder inner wall, and
install spring, piston cover, piston to wheel cylinder.

CAUTION:

Never damage the wheel cylinder inner wall.

3.

Install the boot to wheel cylinder. Refer to 

BR-39, "Exploded

View"

.

Inspection and Adjustment

INFOID:0000000005986609

INSPECTION AFTER REMOVAL

Check the following items and replace if necessary.
• 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.

a.

Remove the brake shoe. Refer to 

BR-39, "Removal and Installation"

.

b.

Push the piston.

CAUTION:

Push both side of the piston simultaneously.

c.

Install the brake shoe. Refer to 

BR-39, "Removal and Installation"

.

d.

Operate the brake pedal with a force of 196 N (20 kg, 44 lb) for 10 strokes or more.

e.

Check a drag of rear disc brake again. If any drag is found, disassemble the wheel cylinder. Refer to 

BR-

41, "Disassembly and Assembly"

.

ADJUSTMENT AFTER INSTALLATION

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

PB-2, "Inspection and Adjustment"

.

JPFIA0234ZZ

BR-42

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specifications

INFOID:0000000005986610

Unit: mm (in)

Brake Pedal

INFOID:0000000005986611

Unit: mm (in)

Brake Booster

INFOID:0000000005986612

Unit: mm (in)

Front Disc Brake

INFOID:0000000005986613

Unit: mm (in)

Rear Drum Brake

INFOID:0000000005986614

Unit: mm (in)

Front brake

Cylinder bore diameter

51.1 (2.012)

Pad length 

×

 width 

×

 thickness

115.0 

×

 41.0 

×

 9.0 (4.53 

×

 1.614 

×

 0.354)

Rotor outer diameter 

×

 thickness

238 

×

 22.0 (9.37 

×

 0.866)

Rear brake 

Cylinder bore diameter

17.46 (11/16)

Lining length 

×

 width 

×

 thickness

172.0 

×

 26.0 

×

 4.5 (6.77 

×

 1.024 

×

 0.177)

Drum inner diameter

180.0 (7.09)

Master cylinder

Cylinder bore diameter

20.6 (13/16)

Control valve

Valve type

Dual proportioning valve

Brake booster

Diaphragm diameter

228 (9)

Recommended brake fluid

Refer to 

MA-8, "Fluids and Lubricants"

Item

Standard

Brake pedal height

153.7 – 163.7 (6.05 – 6.44)

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

0.2 – 1.96 (0.008 – 0.0772)

Brake pedal play

2 – 9 (0.08 – 0.35)

Depressed brake pedal height
[Depressing 490 N (50 kg, 110 lb) while turning the engine ON]

80 (3.15) or more 

Item

Standard

Input rod length

125 (4.92)

Item

Limit

Brake pad

Wear thickness

2.0 (0.079)

Disc rotor

Wear thickness

20.0 (0.787)

Thickness variation (measured at 8 positions)

0.008 (0.0003)

Runout (with it attached to the vehicle)

0.055 (0.0022) 

Item

Limit

Brake lining

Wear thickness

1.5 (0.059)

Brake drum

Wear inner diameter

181.0 (7.13)

BRC-2

< WIRING DIAGRAM >

[WITHOUT ABS]

BRAKE CONTROL SYSTEM

WIRING DIAGRAM

BRAKE CONTROL SYSTEM

Wiring Diagram

INFOID:0000000006034867

For connector terminal arrangements, harness layouts, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

JCFWA0298GB

 

 

 

 

 

 

 

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