Nissan March K13. Manual - part 41

FRONT DISC BRAKE

BR-37

< REMOVAL AND INSTALLATION >

Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove pistons and piston boots.

CAUTION:

Never get fingers caught in the pistons.

Remove piston seal from cylinder body using suitable tool.

CAUTION:

Be careful not to damage a cylinder inner wall.

Remove bleeder valve and cap.

ASSEMBLY

Install bleeder valve and cap.

Apply rubber grease to piston seals (1), and install them to cylin-
der body.

CAUTION:

Never reuse piston seals.

Apply rubber grease to piston boots (1). Cover the piston (2) end
with piston boot, and then install cylinder side lip on piston boot
securely into a groove on cylinder body.

CAUTION:

Never reuse piston boots.

MAA0272D

JPFIA0738ZZ

JPFIA0039ZZ

JPFIA0739ZZ

BR-38

< REMOVAL AND INSTALLATION >

FRONT DISC BRAKE

Apply brake fluid to pistons (1). Push piston into cylinder body
by hand and push piston boot (2) piston-side lip into the piston
groove.

CAUTION:

Press the pistons evenly and vary the pressing point to pre-
vent cylinder inner wall from being rubbed.

Apply rubber grease to bushing, and install bushing to sliding
pin.

Apply rubber grease to sliding pins and sliding boots, and install
sliding pins and sliding pin boots to torque member.

Install the cylinder body to tighten cylinder body mounting bolts
to the specified torque.

BRAKE CALIPER ASSEMBLY : Inspection

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INSPECTION AFTER DISASSEMBLY

Check the following items and replace if necessary.

Cylinder Body

Check the inner wall of the cylinder for rust, wear, cracks or damage.

CAUTION:

Always clean with new brake fluid. Never clean with mineral oil such as gasoline and light oil.

Torque Member

Check the torque member for rust, wear, cracks or damage.

Pistons

Check the surface of the piston for rust, wear, cracks or damage.

CAUTION:

A piston sliding surface is plated. Never polish with sandpaper.

Sliding Pin and Sliding Pin Boot

Check the sliding pins and sliding boots for rust, wear, cracks or damage.

INSPECTION AFTER INSTALLATION

Check a drag of front disc brake. If any drag is found, follow the procedure described below.

Remove brake pads. Refer to

BR-33, "BRAKE PAD : Removal and Installation"

Press the pistons. Refer to

BR-33, "BRAKE PAD : Removal and Installation"

Install brake pads. Refer to

BR-33, "BRAKE PAD : Removal and Installation"

Depress the brake pedal several times.

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

BR-

36, "BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"

Burnish contact surface between disc rotor and brake pads after refinishing or replacing disc rotor, or if a
soft pedal occurs at very low mileage. Refer to

BR-13, "DISC ROTOR : Inspection and Adjustment"

JPFIA0034ZZ

REAR DRUM BRAKE

BR-39

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

Exploded View

INFOID:0000000005986606

Removal and Installation

INFOID:0000000005986607

REMOVAL

WARNING:

Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.

CAUTION:

• Never depress the brake pedal while removing the brake pads drum.
• Never drop the removed parts.
1.

Remove tires.

Perform drain the brake fluid when remove or disassemble the wheel cylinder. Refer to

BR-9, "Draining"

Shoe hold pin

Back plate

Plug

Brake shoe

Spring

Adjuster spring

Adjuster

Return spring

Brake drum

10.

Boot

11. Piston cover

12.

Piston

13.

Piston cup

14. Spring

15.

Wheel cylinder

16.

Bleeder valve

17. Cap

1: Apply polyglycol ether based lubricant.

2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.

: Apply brake fluid

Refer to

GI-4, "Components"

for symbols not described on the above.

JPFIA0765GB

BR-40

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

While pushing and rotating the spring (1), pull out shoe hold pin,
and remove brake shoe assembly (brake shoe, each spring, and
adjuster).

CAUTION:

Never damage the boot of the wheel cylinder.

Remove the parking brake cable from operating lever.

CAUTION:

Never bend sharply the parking brake lever.

Disassemble the brake shoe assembly (brake shoe, each
spring, and adjuster).

Separate the brake tube from the wheel cylinder.

Remove the wheel cylinder from back plate.

INSTALLATION

WARNING:

Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.

CAUTION:

• Never depress the brake pedal while removing the brake drum.
• Never 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.

: Vehicle front

• Shorten adjuster by rotating it.
• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-

ing faces between the adjuster and brake shoe.

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

ing faces between the back plate and brake shoe.

• Install the brake shoe assembly so that it does damage the wheel

cylinder.

• Check the component parts of brake shoe assembly are installed

properly.

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

face for grease. Wipe it out any adheres to the surfaces.

• Perform the air bleeding when removed or disassembled the wheel