Infiniti QX56 (Z62). Manual - part 654

 

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Infiniti QX56 (Z62). Manual - part 654

 

 

EM-56

< REMOVAL AND INSTALLATION >

OIL PAN (LOWER) AND OIL STRAINER

b.

Apply a continuous bead of liquid gasket with the tube presser
(commercial service tool) to the oil pan (lower) as shown in the
figure.

Use Genuine RTV silicone sealant or equivalent. Refer to

GI-22, "Recommended Chemical Products and Sealants"

.

CAUTION:

Attaching must be done within 5 minutes after coating.

c.

Install oil pan (lower).
• Tighten mounting bolts in numerical order as shown in the fig-

ure.

3.

Install oil pan drain plug.
• Refer to the figure of the components of on the prior page for installation direction of drain plug washer.

Refer to 

EM-54, "Exploded View"

.

4.

Install in the reverse order of removal after this step.
NOTE:
Wait at least 30 minutes after oil pan is installed before pouring engine oil.

Inspection

INFOID:0000000006289561

INSPECTION AFTER REMOVAL

Clean oil strainer if any object is attached.

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level and adjust engine oil. Refer to 

LU-7, "Inspection"

.

2.

Start engine, and check there is no leakage of engine oil.

3.

Stop engine and wait for 15 minutes.

4.

Check the engine oil level again. Refer to 

LU-7, "Inspection"

.

a

: 7.5 - 9.5 mm (0.295 - 0.374 in)

b

φ

4.0 - 5.0 mm (0.157 - 0.197 in)

: Engine front

JPBIA3496ZZ

: Engine front

JPBIA3495ZZ

OIL PAN (UPPER)

EM-57

< REMOVAL AND INSTALLATION >

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OIL PAN (UPPER)

Exploded View

INFOID:0000000006289562

1.

Oil level gauge

2.

Oil level gauge guide

3.

O-ring

4.

Oil pressure switch

5.

O-ring

6.

Oil cooler

7.

Oil filter

8.

Relief valve

9.

Drain plug washer

10. Oil pan (lower)

11.

Oil strainer

12. Gasket

13. Oil temperature sensor

14. Baffle plate

15. Rear plate cover

16. Oil pan (upper)

17. O-ring

18. O-ring

19. O-ring

A.

Comply with the installation proce-
dure when tightening. Refer to 

LU-9, 

"Removal and Installation"

.

: Oil pan side

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPBIA3494GB

EM-58

< REMOVAL AND INSTALLATION >

OIL PAN (UPPER)

Removal and Installation

INFOID:0000000006289563

REMOVAL

WARNING:

To avoid the danger of being scalded, never drain engine oil when engine is hot.

1.

Remove oil filter. Refer to 

LU-9, "Removal and Installation"

.

2.

Remove oil cooler. Refer to 

LU-11, "Exploded View"

.

3.

Move A/C compressor to the position without the hindrance for work. Refer to 

HA-30, "Exploded View"

.

4.

Remove oil level gauge and oil level gauge guide.

5.

Remove oil pressure switch and oil temperature sensor if necessary.

6.

Remove rear plate cover.

7.

Remove protector A and protector B. Refer to 

SCS-32, "FRONT TUBE ASSEMBLY : Exploded View"

.

8.

Remove front suspension rear cross member. Refer to 

TM-205, "2WD : Exploded View"

 (2WD models) or

TM-208, "4WD : Exploded View"

 (4WD models).

9.

Remove steering gear assembly. Refer to 

ST-41, "Exploded View"

.

10. Remove front final drive assembly. Refer to 

DLN-162, "Exploded View"

.

11. Remove oil pan (lower). Refer to 

EM-54, "Exploded View"

.

12. Remove oil strainer. Refer to 

EM-54, "Exploded View"

.

13. Remove bolts fixing oil pan (upper) to transmission assembly.
14. Remove oil pan (upper) as per the following:

a.

Loosen mounting bolts in the reverse order as shown in the fig-
ure with power tool to remove.

NOTE:
Disregard No. 9, 16 when loosening.

b.

Insert a suitable tool into the notch at oil pan (upper) (1) as
shown.
• Pry off case by moving a suitable tool.

CAUTION:

Be careful not to damage the mating surfaces.

15. Remove O-ring from bottom of cylinder block and oil pump.

16. Remove oil pressure switch and oil temperature sensor, if necessary.

INSTALLATION

1.

Install oil pan (upper) as per the following:

: Engine front

JPBIA3502ZZ

: Engine front

JPBIA2299ZZ

OIL PAN (UPPER)

EM-59

< REMOVAL AND INSTALLATION >

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a.

Use a scraper (A) to remove old liquid gasket from mating sur-
faces.
• Also remove the old liquid gasket from mating surface of cylin-

der block.

• Remove old liquid gasket from the bolt holes and threads.

CAUTION:

Never scratch or damage the mating surfaces when clean-
ing off old liquid gasket.

b.

Install new O-rings on the bottom of cylinder block and oil pump.

c.

Apply a continuous bead of liquid gasket with tube presser (commercial service tool) to the cylinder block
mating surfaces of oil pan (upper) to a limited portion as shown in the figure.

Use Genuine RTV silicone sealant or equivalent. Refer to 

GI-22, "Recommended Chemical Prod-

ucts and Sealants"

.

CAUTION:

Attaching must be done within 5 minutes after coating.

d.

Tighten mounting bolts in numerical order as shown in the fig-
ure.

CAUTION:

Install avoiding misalignment of O-rings.
NOTE:
Tighten mounting bolts No. 1 and 2 in two steps. The numerical
order No. 9 and 16 shown second steps.
• There are four types of mounting bolts. Refer to the following

for locating bolts.

e.

Tighten transmission joint bolts.

f.

Install rear plate cover.

2.

Install oil strainer.

JPBIA3503ZZ

a.

: 5.5 - 7.5 mm (0.217 - 0.295 in)

b.

φ

4.0 - 5.0 mm (0.157 - 0.197 in)

: Engine front

JPBIA3504ZZ

: Engine front

JPBIA3502ZZ

Order number for tightening

17, 18

2 (16), 3, 5, 6, 7, 8, 10, 

11, 14, 15

1(9), 4

12, 13

Bolt size

M6

M8

Bolt length 

45 mm (1.77 in)

25 mm (0.98 in)

30.0 mm (1.18 in)

120 mm (4.72 in)

Tightening torque

9.0 N· (0.92 kg-m, 80 

in-lb)

22.0 N·m (2.2 kg-m, 16 ft-lb)

 

 

 

 

 

 

 

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