Nissan Sentra. Manual - part 152

BR-50

< UNIT DISASSEMBLY AND ASSEMBLY >

FRONT DISC BRAKE

2. Remove piston seal from cylinder body using suitable tool.

CAUTION:

Do not damage cylinder inner wall.

3. Remove bleeder valve and cap.

ASSEMBLY

1. Install bleeder valve and cap.
2. Apply rubber grease to piston seal (1), and install to cylinder

body.

CAUTION:

Do not reuse piston seal.

3. Apply rubber grease to piston boot (1). Cover the piston (2) end

with piston boot, and install cylinder side lip on piston boot

securely into a groove on cylinder body.

CAUTION:

Do not reuse piston boot.

4. Apply new brake fluid to piston (1). Push piston into cylinder

body by hand and push piston boot (2) piston-side lip into the

piston groove.

CAUTION:

Press the piston evenly and vary the pressing point to pre-

vent cylinder inner wall from being rubbed.

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REAR DRUM BRAKE

BR-51

< UNIT DISASSEMBLY AND ASSEMBLY >

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REAR DRUM BRAKE

Exploded View

INFOID:0000000009756027

Disassembly and Assembly

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DISASSEMBLY

1. Remove the boot from wheel cylinder. Refer to 

BR-51, "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.

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 PBC (Poly Butyl Cuprysil) grease or silicone-based

grease to the piston. Apply new brake fluid to wheel cylinder

inner wall. Install spring, piston cover, and piston to wheel cylin-

der.

CAUTION:

Do not damage the wheel cylinder inner wall.

4. Install the boot to wheel cylinder. Refer to 

BR-51, "Exploded

View"

.

1.

Cap

2.

Bleeder valve

3.

Piston

4.

Spring

5.

Boot

6.

Piston cup

7.

Wheel cylinder

A.

Apply rubber grease

B.

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

Apply brake fluid

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BR-52

< UNIT DISASSEMBLY AND ASSEMBLY >

REAR DISC BRAKE

REAR DISC BRAKE

Exploded View

INFOID:0000000009756029

Disassembly and Assembly

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DISASSEMBLY

1. Place a wooden block as shown, and blow air from union bolt

hole to remove piston and piston boot.

WARNING:

Do not get fingers caught between piston and cylinder

body.

2. Remove piston seal from cylinder body using suitable tool.

CAUTION:

Do not damage cylinder inner wall.

3. Remove bleeder valve and cap.

1.

Sliding pin bolt

2.

Bushing

3.

Cap

4.

Bleeder valve

5.

Cylinder body

6.

Piston seal

7.

Piston

8.

Piston boot

9.

Sliding pin boot

10. Torque member

Apply rubber grease

Apply brake fluid

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REAR DISC BRAKE

BR-53

< UNIT DISASSEMBLY AND ASSEMBLY >

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ASSEMBLY

1. Install bleeder valve and cap.
2. Apply rubber grease to piston seal (1), and install to cylinder

body.

CAUTION:

Do not reuse piston seal.

3. Apply rubber grease to piston boot (1). Cover the piston (2) end

with piston boot, and install cylinder side lip on piston boot

securely into a groove on cylinder body.

CAUTION:

Do not reuse piston boot.

4. Apply new brake fluid to piston (1). Push piston into cylinder

body by hand and push piston boot (2) piston-side lip into the

piston groove.

CAUTION:

Press the piston evenly and vary the pressing point to pre-

vent cylinder inner wall from being rubbed.

JPFIA0039ZZ

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JPFIA0034ZZ