Nissan Pathfinder. Manual - part 421

DLN-126

< REMOVAL AND INSTALLATION >

[REAR FINAL DRIVE: R145K1]

FRONT OIL SEAL

6. Press the electric controlled coupling pin to check that it is posi-

tioned in the groove of the final drive assembly as shown.

NOTE:

If the pin is properly positioned in the groove, then the electric

controlled coupling can be pressed into position by the same

amount of flection of the wave washer.

7. Temporarily tighten reamer bolts (1) to the positions shown.

CAUTION:

• Do not use tools. Always tighten by hand.

• If reamer bolts cannot be tightened all the way by hand,

the electric controlled coupling pin may not be positioned

in the groove of the final drive assembly. In this case,

remove electric controlled coupling and reinstall it.

8. Tighten reamer bolts and coupling cover bolts to the specified

torque.

9. Install harness bracket, and tighten bolts to the specified torque.
10. Install torsional damper. (When torsional damper has been

replaced.)

Degrease the surface of electric controlled coupling, according to the following instruction.

1. Spray alcohol on a cotton cloth four times per part.

CAUTION:

Always use a new cotton cloth.

2. Wipe the surface of electric controlled coupling five times.

CAUTION:

Complete the work within 180 seconds to prevent alco-

hol from evaporating.

JSDIA3068ZZ

JSDIA3061ZZ

JSDIA3062ZZ

JSDIA3063ZZ

FRONT OIL SEAL

DLN-127

< REMOVAL AND INSTALLATION >

[REAR FINAL DRIVE: R145K1]

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3. Install torsional damper nut, using suitable tool (1) and

tighten to the specified torque.

CAUTION:

Do not reuse torsional damper nut.

11. Check companion flange runout. Refer to 

DLN-136, "Compan-

ion Flange Runout"

.

12. When replacing electric controlled coupling, perform writing unit

characteristics after installing final drive assembly to the vehicle.

Refer to 

DLN-113, "Work Procedure"

.

JSDIA3056ZZ

DLN-128

< UNIT REMOVAL AND INSTALLATION >

[REAR FINAL DRIVE: R145K1]

REAR FINAL DRIVE ASSEMBLY

UNIT REMOVAL AND INSTALLATION

REAR FINAL DRIVE ASSEMBLY

Exploded View

INFOID:0000000009177825

Removal and Installation

INFOID:0000000009177826

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.

REMOVAL

1. Drain rear final drive oil. Refer to 

DLN-115, "Draining"

.

2. Remove the rear propeller shaft from the rear final drive and support the rear propeller shaft with suitable

wire. Refer to 

DLN-103, "Removal and Installation"

. 

3. Remove the vehicle spare tire.
4. Remove the rear drive shafts. Refer to 

RAX-9, "Removal and Installation"

.

5. Remove rear stabilizer bar. Refer to 

RSU-15, "Removal and Installation"

.

6. Remove 4WD harness bracket.
7. Disconnect 4WD harness connector and unclip harness from the final drive mounting bracket.
8. Remove rear final drive breather hose and electric controlled coupling breather hose.
9. Support final drive assembly with a suitable jack.

1.

Final drive mounting bracket

2.

Washer

3.

Breather

4.

Breather hose

5.

Breather tube

6.

Final drive assembly

7.

Breather tube

8.

Hose clamp

9.

Breather hose

10. Breather

: Vehicle front

: Always replace after every disassembly.

: N·m (kg-m, ft-lb)

JSDIA3031GB

REAR FINAL DRIVE ASSEMBLY

DLN-129

< UNIT REMOVAL AND INSTALLATION >

[REAR FINAL DRIVE: R145K1]

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10. Remove final drive bolts (

).

11. Remove rear final drive nut (

) at rear suspension member,

and remove final drive from vehicle.

NOTE:

If it is necessary to remove the final drive mounting bracket, the

fuel tank must be removed first. Refer to 

FL-13, "Removal and

Installation"

.

CAUTION:

Secure final drive assembly to a suitable jack while remov-

ing it.

INSTALLATION

Installation is in the reverse order of removal.

• Install the breather hose (1) to breather connector until dimension

(A) shown as follows.

CAUTION:

• Do not reuse hose clamp and breather connector.

• Make sure there are no pinched or restricted areas on the

breather hose caused by bending or winding when installing

it.

• Install the hose clamp at the final drive side, with the tab facing to the vehicle front.

• Install the hose clamp at the suspension member side, with the tab facing downward.

• If remove resin connector (2) and metal connector (3), install

breather hose (1), resin connector and metal connector as shown

in the figure.

- For installation, insert resin connector into the square hole of rear

suspension. Install metal connector to rear cover with aiming

painted mark (A) to the front of vehicle.

ALDIA0289ZZ

ALDIA0285ZZ

A:
Final drive side

: 20 mm (0.79 in)

Suspension member side

: 20.7 mm (0.815 in)

: Vehicle front

JPDID0020ZZ

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