Nissan Sentra Service Manual: Rear disc brake

Exploded View

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

Disassembly and Assembly

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.

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 prevent cylinder inner wall from being rubbed.

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