Infiniti QX56 (Z62). Manual - part 664

EM-96

< REMOVAL AND INSTALLATION >

OIL SEAL

OIL SEAL

FRONT OIL SEAL

FRONT OIL SEAL : Removal and Installation

INFOID:0000000006289574

REMOVAL

1.

Remove the following parts:
• Front under cover, using a power tool. Refer to 

EXT-25, "Exploded View"

.

• Drive belt: Refer to 

EM-20, "Exploded View"

.

• Cooling fan: Refer to 

CO-16, "Exploded View"

.

2.

Remove crankshaft pulley as per the following:

a.

Remove rear plate cover. Refer to 

EM-54, "Exploded View"

.

b.

Set the ring gear stopper [SST: KV10120100 (J-47245)] (A) as
shown in the figure.

c.

Loosen crankshaft pulley bolt, and then pull crankshaft pulley
with both hands to remove it.

CAUTION:

Never remove crankshaft pulley bolt. Keep loosened crank-
shaft pulley bolt in place to protect removed crankshaft pul-
ley from dropping.

3.

Remove front oil seal using a suitable tool.

CAUTION:

Be careful not to damage front cover and crankshaft.

INSTALLATION

1.

Install front oil seal on front cover. 

• Apply new engine oil to both oil seal lip (A) and dust seal lip

(B).

• Install it so that each seal lip is oriented as shown in the figure.

CAUTION:

Be careful not to scratch or make burrs on circumference
of oil seal.

• Using a suitable drift [outer diameter: 56 mm (2.20 in)], press-

fit oil seal until it becomes flush with front cover end face.

• Check the garter spring is in position and seal lips are not inverted.

2.

Install in the reverse order of removal.

REAR OIL SEAL

LBIA0455E

JPBIA3472ZZ

: Engine inside

: Engine outside

JPBIA0054ZZ

OIL SEAL

EM-97

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

REAR OIL SEAL : Removal and Installation

INFOID:0000000006289575

REMOVAL

1.

Remove transmission assembly. Refer to 

TM-205, "2WD : Exploded View"

 (2WD models) or 

TM-208,

"4WD : Exploded View"

 (4WD models).

2.

Remove drive plate. Refer to 

EM-106, "Exploded View"

.

3.

Remove rear oil seal with a suitable tool.

CAUTION:

Be careful not to damage crankshaft and cylinder block.

INSTALLATION

1.

Install rear oil seal.
• Install rear oil seal so that each seal lip is oriented as shown in

the figure.

• Press in rear oil seal (1) to the position as shown in the figure.

• Using a suitable drift [outer diameter 101 mm (3.98 in)], press-fit

until the height of rear oil seal is level with the mounting surface.

• Check the garter spring is in position and seal lips are not inverted.

CAUTION:

• Be careful not to damage crankshaft and cylinder block.
• Press-fit straight and avoid causing burrs or tilting oil seal.

2.

Install in the reverse order of removal after this step.

SBIA0360E

A

: Oil seal lip

B

: Dust seal lip

: Engine inside

: Engine outside

JPBIA0054ZZ

B

: Rear oil seal retainer rear end face

a

: 0 - 0.5 mm (0 - 0.020 in)

JPBIA0152ZZ

SBIA0360E

EM-98

< UNIT REMOVAL AND INSTALLATION >

ENGINE ASSEMBLY

UNIT REMOVAL AND INSTALLATION

ENGINE ASSEMBLY

Exploded View

INFOID:0000000006289576

2WD models

JPBIA4257GB

1.

Heat shield plate (RH)

2.

Engine mounting insulator (RH)

3.

Engine mounting bracket (RH)

4.

Engine mounting bracket (LH)

5.

Engine mounting insulator (LH)

6.

Heat shield plate (LH)

7.

Rear engine mounting cross member 8.

Rear engine mounting insulator

Refer to 

GI-4, "Components"

 for symbols in the figure.

ENGINE ASSEMBLY

EM-99

< UNIT REMOVAL AND INSTALLATION >

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

4WD models

Removal and Installation

INFOID:0000000006289577

WARNING:

• Situate the vehicle on a flat and solid surface.
• Place chocks at the front and back of rear wheels.
• For engines not equipped with engine slingers, attach proper slingers and bolts described in PARTS

CATALOG.

CAUTION:

• Always be careful to work safely, and avoid forceful or uninstructed operations.
• Never start working until exhaust system and engine coolant are cool enough.
• If items or work required are not covered by the engine section, refer to the applicable sections.
• Always use the support point specified for lifting.
• Use either 2-pole lift type or separate type lift as much as possible. If board-on type is used for

unavoidable reasons, support at rear axle jacking point with transmission jack or similar tool before
starting work, in preparation for the backward shift of the center of gravity.

• For supporting points for lifting and jacking point at rear axle, refer to 

GI-32, "Garage Jack and

Safety Stand"

.

NOTE:
When removing/installing only the engine mounting, the hold engine assembly as instructed bellow:
1.

Remove hood assembly. Refer to 

DLK-215, "Exploded View"

.

2.

Remove the following components and related parts:
• Battery. Refer to 

PG-164, "Exploded View"

.

• Battery tray. 
• Power steering reservoir tank bracket. Refer to 

ST-54, "Exploded View"

.

• Air cleaner case assembly and air duct. Refer to 

EM-27, "Exploded View"

.

JPBIA4256GB

1.

Heat shield plate (RH)

2.

Engine mounting insulator (RH)

3.

Engine mounting bracket (RH)

4.

Engine mounting bracket (LH)

5.

Engine mounting insulator (LH)

6.

Heat shield plate (LH)

7.

Rear engine mounting cross member 8.

Rear engine mounting insulator

9.

Dynamic damper

Refer to 

GI-4, "Components"

 for symbols in the figure.