Nissan Altima L32. Manual - part 151

BR-42

< DISASSEMBLY AND ASSEMBLY >

FRONT DISC BRAKE

3. Push piston into caliper by hand and push piston boot 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 DISC BRAKE

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< DISASSEMBLY AND ASSEMBLY >

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REAR DISC BRAKE

BRAKE CALIPER ASSEMBLY
BRAKE CALIPER ASSEMBLY : Exploded View

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BRAKE CALIPER ASSEMBLY : Disassembly

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DISASSEMBLY

1. Remove the retaining ring from caliper using a suitable tool as

shown. Discard the retaining ring

CAUTION:

Do not reuse retaining ring.

1.

Union bolt

2.

Brake hose

3.

Copper washer

4.

Cap

5.

Bleed valve

6.

Sliding pin bolt

7.

Caliper

8.

Piston seal

9.

Piston

10. Piston boot

11. Retaining ring

12.

Sliding pin boot

13. Bushing

14. Torque member bolt

15.

Washer

16. Torque member

A.

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

B.

Rubber grease

AWFIA0503GB

SBR028A

BR-44

< DISASSEMBLY AND ASSEMBLY >

REAR DISC BRAKE

2. Place a wooden block in the caliper as shown, and blow air into

the union bolt hole to the remove piston and piston boot.

CAUTION:

Do not get fingers caught between the piston and wooden

block.

3. Remove the piston seal from the caliper using a suitable tool.

Discard the piston seal.

CAUTION:

• Be careful not to damage a cylinder inner wall.

• Do not reuse the piston seal.

BRAKE CALIPER ASSEMBLY : Inspection After Disassembly

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CALIPER

Check the inner wall of the cylinder for corrosion, wear, and damage. Replace as necessary.

CAUTION:

Clean the caliper using new brake fluid. Never use mineral oils such as gasoline or kerosene.

TORQUE MEMBER

Check the torque member for wear, cracks, and damage. Replace as necessary.

PISTON

Check the piston surface for corrosion, wear, and damage. Replace as necessary.

CAUTION:

The piston sliding surface is plated. Do not polish with sandpaper.

SLIDING PIN BOLT, SLIDING PIN BOOT

Check the sliding pin bolt and sliding pin boot for wear, damage, and cracks. Replace as necessary.

BRAKE CALIPER ASSEMBLY : Assembly

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ASSEMBLY

CAUTION:

Use NISSAN Rubber Grease during assembly.
1. Apply rubber grease to new piston seal, and install them on cali-

per.

CAUTION:

Do not reuse piston seal.

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REAR DISC BRAKE

BR-45

< DISASSEMBLY AND ASSEMBLY >

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2. Apply rubber grease to new piston boot. Cover the piston end

with the new piston boot, and then install cylinder side lip on the

new piston boot securely into the groove on caliper.

CAUTION:

Do not reuse piston boot.

3. Push piston into caliper by hand and push piston boot 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.

4. Secure piston boot with new retaining ring.

CAUTION:

• Make sure that boot is securely engaged in the groove on

caliper.

• Do not reuse retainer ring.

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