Infiniti G37 Coupe. Manual - part 1300

TRANSMISSION ASSEMBLY

TM-53

< DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

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22. Apply gear oil to return spring plungers.

23. Install return spring plungers and return springs into rear exten-

sion.

CAUTION:

The right and left return springs and return spring plungers
are different, so make sure they are installed correctly.

24. Apply recommended sealant to threads of return spring plugs and then tighten return spring plugs to the

specified torque.
• Use Genuine Silicone RTV or an equivalent. Refer to 

GI-15, "Recommended Chemical Products

and Sealants"

.

CAUTION:

Remove old sealant and oil adhering to threads.

25. Install shift check pin as a one unit with control bracket to rear

extension and then tighten mounting bolts to the specified
torque.

26. Install plunger to rear extension and then screwing park/neutral

position (PNP) switch and back-up lamp switch to rear extension
with 1 - 2 pitches. 

27. Apply recommended sealant to threads of switches and tighten

switches to the specified torque.
• Use Genuine Silicone RTV or an equivalent. Refer to 

GI-

15, "Recommended Chemical Products and Sealants"

.

CAUTION:

Remove old sealant and oil adhering to threads.

28. Install brackets to rear extension and then tighten bracket mounting bolts to the specified torque.
29. Install boot and control rod to striking rod.

30. Install the retaining pin into the control rod using a pin punch.

Then fit the boot to the striking rod oil seal and the groove on the
control rod.

CAUTION:

Never reuse retaining pin.

31. Install boot to control rod.

CAUTION:

Fit the boot to the groove on the control rod.

32. Install check ball and check select spring into rear extension. 

33. Install rear extension upper cover gasket and rear extension

upper cover to rear extension.

CAUTION:

• Never reuse rear extension upper cover gasket.
• Avoid tangling check select spring.

Region

Return spring identification mark

Plunger groove

RH

Brown

No

LH

Blue

Yes

SCIA1607E

PCIB1346E

PCIB1345E

PCIB1344E

TM-54

< DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

TRANSMISSION ASSEMBLY

34. Tighten rear extension upper cover bolts to the specified torque

in order as shown on the figure.

35. Install gasket to drain plug and then install it to transmission

case. Tighten drain plug to the specified torque.

CAUTION:

Never reuse gasket.

36. Install gasket to filler plug and then install it to transmission

case. Tighten filler plug to the specified torque.

CAUTION:

• Never reuse gasket.
• After oil is filled, tighten filler plug to specified torque.

PCIB1353E

MAIN DRIVE GEAR

TM-55

< DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

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MAIN DRIVE GEAR

Exploded View

INFOID:0000000001732882

Refer to 

TM-29, "Exploded View"

.

Disassembly

INFOID:0000000001732883

1.

Before disassembly, measure end play. If the end play is outside
the specifications, disassemble and inspect.

2.

Remove snap ring from main drive gear using snap ring pliers.

3.

Set a puller on main drive gear bearing, and remove main drive
gear bearing from main drive gear using a press.

Assembly

INFOID:0000000001732884

1.

Using the drift [SST: KV32102700 (

—

)] and a press to press

fit main drive gear bearing onto main drive gear.

End play standard value

: Refer to 

TM-75, "End Play"

.

PCIB0721E

PCIB0729E

SCIA1533E

PCIB0215E

TM-56

< DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

MAIN DRIVE GEAR

2.

Select and install a snap ring to main drive gear bearing so that
the end play comes within the standard value.

CAUTION:

Never reuse snap ring.

3.

Apply recommended grease to main pilot bearing.

4.

Install main pilot bearing, pilot bearing spacer and 5th baulk ring
to main drive gear.

Inspection

INFOID:0000000001732885

MAIN DRIVE GEAR

If the contact surface on main drive gear, etc. has damage, peeling,
abrasion, dent, bent, or any other damage, replace the components.

SYNCHRONIZER

Baulk Ring

• If the cam surface on baulk ring or contact surface on insert has

damage or excessive wear, replace with a new one.

Baulk Ring Clearance for Single Cone Synchronizer (5th)

• Push baulk ring on the cone, and measure the clearance between

baulk ring and cone. If the measurement is below limit, replace it
with a new one.

BEARING

End play standard value

: Refer to 

TM-75, "End Play"

.

PCIB0484E

JPDIC0029ZZ

SCIA0608J

Clearance 

Standard value

: Refer to 

TM-75, "Baulk Ring Clear-

ance"

.

Limit value

: Refer to 

TM-75, "Baulk Ring Clear-

ance"

.

PCIB1328E