Infiniti G37 Coupe. Manual - part 335

CL-12

< ON-VEHICLE REPAIR >

CLUTCH MASTER CYLINDER

3.

Remove stopper ring.

4.

Remove push rod while holding it securely to prevent piston
assembly popping out.

5.

Remove piston assembly and return spring.

ASSEMBLY

1.

Apply rubber lubricant to the internal surface of cylinder body, the sliding surface and piston cup of piston
assembly.

2.

Insert return spring and piston assembly to cylinder body.

3.

Apply silicon grease to push rod.

4.

Install stopper ring while holding down push rod by hand to prevent piston assembly from popping out.

CAUTION:

Never reuse stopper ring.

5.

Install boot to cylinder body.

6.

Install lock nut and clevis to push rod.

7.

Check and adjust the positions of clevis (1) and push rod (2).
After adjusting length, tighten lock nut to the specified torque.

Inspection

INFOID:0000000001731692

INSPECTION AFTER DISASSEMBLY

Check for any of the conditions shown below. If any malfunction is found, replace the part concerned.
• Damaged cylinder internal wall, foreign matter, wear, corrosion.
• Damaged or deformed reservoir tank.
• Settling of return spring.
• Cracked or deformed boot.
• Cracked or deformed packing.

JPDIB0013ZZ

Length “L”

: Refer to 

CL-22, "Clutch Master Cylinder"

.

JPDIB0014ZZ

CLUTCH PIPING

CL-13

< ON-VEHICLE REPAIR >

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CLUTCH PIPING

Exploded View

INFOID:0000000001731693

Hydraulic Layout

INFOID:0000000001731694

1.

CSC (Concentric Slave Cylinder) as-
sembly 

2.

Bracket

3.

Clutch hose

4.

Lock plate

5.

Clutch tube

6.

Connector

7.

Master cylinder assembly

Refer to 

GI-4, "Components"

 for the symbols in the figure.

JPDIB0088GB

1.

CSC (Concentric Slave Cylinder) as-
sembly

2.

Clutch tube

3.

Clutch hose

4.

Connector

5.

Master cylinder assembly

JPDIB0016ZZ

CL-14

< ON-VEHICLE REPAIR >

CLUTCH PIPING

Removal and Installation

INFOID:0000000001731695

CAUTION:

Keep painted surface on the body or other parts free of clutch fluid. If it spills, wipe up immediately
and wash the affected area with water.

REMOVAL 

Refer to the figure for removal procedure.

INSTALLATION

Refer to the figure for installation procedure. 
• To fix clutch hose on bracket, position clutch hose clasp on the

emboss of bracket and drive lock plate vertically from above.

CAUTION:

• Never bend or twist clutch hose.
• Never scratch or damage clutch hose.

• Tighten clutch tube flare nut to the specified torque.

CAUTION:

Never damage flare nut and clutch tube.

• After installation, bleed the air from the clutch hydraulic system.

Refer to 

CL-6, "Air Bleeding Procedure"

.

PCIB0681E

CSC (CONCENTRIC SLAVE CYLINDER)

CL-15

< REMOVAL AND INSTALLATION >

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REMOVAL AND INSTALLATION

CSC (CONCENTRIC SLAVE CYLINDER)

Exploded View

INFOID:0000000001731696

Removal and Installation

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CAUTION:

• If transmission assembly is removed from the vehicle, always replace CSC (Concentric Slave Cylin-

der) body and CSC tube. Return CSC body insert to original position to remove transmission assem-
bly. Dust on clutch disc sliding parts may damage seal of CSC body and may cause clutch fluid
leakage.

• Never disassemble CSC body.
• Keep painted surface on the body or other parts free of clutch fluid. If it spills, wipe up immediately

and wash the affected area with water.

REMOVAL

1.

Remove transmission assembly from the vehicle. Refer to 

TM-25, "Removal and Installation"

.

JPDIB0018GB

1.

Transmission assembly

2.

CSC (Concentric Slave Cylinder) 
body

3.

Dust cover

4.

CSC (Concentric Slave Cylinder) 
tube

5.

Air bleeder valve

Refer to 

GI-4, "Components"

 for the symbols in the figure.