Infiniti Q45. Manual - part 769

FRONT OIL SEAL

RFD-13

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4.

Apply anti-corrosion oil to the thread and seat of new drive pin-
ion lock nut, and temporarily tighten drive pinion lock nut to drive
pinion.

CAUTION:

Do not reuse drive pinion lock nut.

5.

Tighten to drive pinion lock nut, while adjust total preload torque.

CAUTION:

●

Adjust to the lower limit of the drive pinion lock nut tight-
ening torque first.

●

If the preload torque exceeds the specified value, replace
collapsible spacer and tighten it again to adjust. Do not
loosen drive pinion lock nut to adjust the preload torque.

6.

Make a stamping for identification of front oil seal replacement
frequency. Refer to 

RFD-10, "IDENTIFICATION STAMP OF REPLACEMENT FREQUENCY OF FRONT

OIL SEAL"

 .

CAUTION:

Be sure to make a stamping after replacing front oil seal.

7.

Install propeller shaft. Refer to 

PR-5, "Removal and Installation"

 .

8.

Install side flange with the following procedure.

a.

Attach the protector to side oil seal.

b.

After the side flange is inserted and the serrated part of side
gear has engaged the serrated part of flange, remove the pro-
tector.

c.

Put suitable drift on the center of side flange, then drive it until
sound changes.

NOTE:
When installation is completed, driving sound of the side flange
turns into a sound which seems to affect the whole final drive.

d.

Confirm that the dimension of the side flange installation (Mea-
surement A) in the figure comes into the following.

9.

Install drive shaft. Refer to 

RAX-9, "REAR DRIVE SHAFT"

 .

10. Install rear wheel sensor. Refer to 

BRC-63, "WHEEL SEN-

SORS"

 .

11. Install center muffler. Refer to 

EX-3, "EXHAUST SYSTEM"

 .

12. Refill gear oil to the final drive and check oil level. Refer to 

RFD-9, "FILLING"

 .

13. Check the final drive for oil leakage. Refer to 

RFD-9, "OIL LEAKAGE AND OIL LEVEL"

 .

Tool number

A: ST3127S000 (J-25765-A)

Drive pinion lock nut tightening torque:

147 - 323 N·m (15 - 32 kg-m, 109 - 238 ft-lb)

Total preload torque:

Total preload torque should equal the measurement 
taken during removal plus an additional 0.1 - 0.4 N·m 
(0.01 - 0.04 kg-m, 1 - 3 in-lb).

Tool number

: KV38107900 (J-39352)

PDIA0981E

SDIA0822E

Measurement A: 326 - 328 mm (12.83 - 12.91 in)

SDIA1039E

RFD-14

SIDE OIL SEAL

SIDE OIL SEAL

PFP:33142

Removal and Installation

NDS00068

REMOVAL

1.

Remove center muffler with power tool. Refer to 

EX-3, "EXHAUST SYSTEM"

 .

2.

Remove rear wheel sensor. Refer to 

BRC-63, "WHEEL SENSORS"

 .

3.

Remove drive shaft from final drive. Then suspend it by wire etc. Refer to 

RAX-9, "REAR DRIVE SHAFT"

.

4.

Install attachment to side flange, and then pull out the side
flange with a sliding hammer.

NOTE:
Circular clip installation position: Final drive side

5.

Remove side oil seal, using a flat-bladed screwdriver.

CAUTION:

Be careful not to damage gear carrier.

INSTALLATION

1.

Apply multi-purpose grease to side oil seal lips.

2.

Install side oil seal until it becomes flush with the case end,
using the drift.

CAUTION:

●

Do not reuse oil seal.

●

When installing, do not incline oil seal.

3.

Install side flange with the following procedure.

a.

Attach the protector to side oil seal.

b.

After the side flange is inserted and the serrated part of side
gear has engaged the serrated part of flange, remove the pro-
tector.

Tool number

A: KV40104100 (

—

)

B: ST36230000 (J-25840-A)

SDIA1005E

SDIA0495E

Tool number

: KV38100200 (J-26233)

SDIA0496E

Tool number

: KV38107900 (J-39352)

SDIA0822E

SIDE OIL SEAL

RFD-15

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c.

Put suitable drift on the center of side flange, then drive it until
sound changes.

NOTE:
When installation is completed, driving sound of the side flange
turns into a sound which seems to affect the whole final drive.

d.

Confirm that the dimension of the side flange installation (Mea-
surement A) in the figure comes into the following.

4.

Install drive shaft. Refer to 

RAX-9, "REAR DRIVE SHAFT"

 .

5.

Install rear wheel sensor. Refer to 

BRC-63, "WHEEL SEN-

SORS"

 .

6.

Install center muffler. Refer to 

EX-3, "EXHAUST SYSTEM"

 .

Measurement A: 326 - 328 mm (12.83 - 12.91 in)

SDIA1039E

RFD-16

REAR FINAL DRIVE ASSEMBLY

REAR FINAL DRIVE ASSEMBLY

PFP:38300

Removal and Installation

NDS00069

COMPONENTS

REMOVAL

1.

Remove center muffler with power tool. Refer to 

EX-3, "EXHAUST SYSTEM"

 .

2.

Remove rear stabilizer bar with power tool. Refer to 

FSU-15, "STABILIZER BAR"

 .

3.

Remove propeller shaft from the final drive. Refer to 

PR-5, "Removal and Installation"

 .

4.

Remove drive shaft from final drive. Then suspend it by wire etc.
Refer to 

RAX-9, "REAR DRIVE SHAFT"

 .

5.

Remove breather hose from the final drive. (Without RAS)

6.

Remove rear wheel sensor. Refer to 

BRC-63, "WHEEL SEN-

SORS"

 .

1.

Rear final drive assembly

2.

Upper stopper

3.

Propeller shaft

4.

Washer

5.

Lower stopper

6.

Drive shaft

PDIA0408E

SDIA1094E