Infiniti QX56 (Z62). Manual - part 918

LU-16

< REMOVAL AND INSTALLATION >

OIL PUMP

• (Clearance) = D

1

 (Valve hole diameter) - D

2

 (Outer Diameter of

valve)

CAUTION:

• Coat regulator valve with engine oil.
• Check that it falls smoothly into the regulator valve hole by its

own weight.

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level. Refer to 

LU-7, "Inspection"

2.

Start the engine and check for engine oil leaks.

3.

Stop the engine and wait 10 minutes.

4.

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

LU-7, "Inspection"

. 

Regulator valve 
to oil pump cover

: Refer to 

LU-17, "Regulator Valve"

.

PBIC0143E

SERVICE DATA AND SPECIFICATIONS (SDS)

LU-17

< SERVICE DATA AND SPECIFICATIONS (SDS) 

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Periodical Maintenance Specification

INFOID:0000000006289628

ENGINE OIL CAPACITY (APPROXIMATE)

Unit: 

 (US qt, Imp qt)

Engine Oil Pressure

INFOID:0000000006289629

Unit: kPa (kg/cm

2

, psi)

*: Engine oil temperature at 80

°

C (176

°

F)

Oil Pump

INFOID:0000000006289630

Unit: mm (in)

Regulator Valve

INFOID:0000000006289631

Unit: mm (in)

Drain and refill

With oil filter change

6.5 (6-7/8, 5-3/4)

Without oil filter change

6.2 (6-4/8, 5-1/2)

Dry engine (engine overhaul)

7.6 (8, 6-3/4)         

Engine speed  

Approximate discharge pressure* 

Idle speed

More than 98 (1.0, 14)

2,000 rpm

More than 294 (3.0, 43) 

Oil pump body to oil pump outer rotor radial clearance

0.114 - 0.200 (0.0045 - 0.0079)

Oil pump inner rotor to oil pump outer rotor tip clearance

Below 0.180 (0.0071)

Oil pump body to oil pump inner rotor axial clearance

0.030 - 0.070 (0.0012 - 0.0028)

Oil pump body to oil pump outer rotor axial clearance

0.030 - 0.090 (0.0012 - 0.0035)

Oil pump inner rotor to brazed portion of housing clearance

0.045 - 0.091 (0.0018 - 0.0036)

Regulator valve to oil pump cover clearance

0.040 - 0.097 (0.0016 - 0.0038)

MA-1

MAINTENANCE

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SECTION 

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CONTENTS

MAINTENANCE

PREPARATION ............................................

3

PREPARATION ...................................................

3

Special Service Tool  .................................................

3

Commercial Service Tool  ..........................................

3

PERIODIC MAINTENANCE ..........................

4

GENERAL MAINTENANCE  ................................

4

Explanation of General Maintenance  ........................

4

PERIODIC MAINTENANCE  ................................

6

Introduction of Periodic Maintenance ........................

6

Schedule 1  ................................................................

6

Schedule 2  ................................................................

8

RECOMMENDED FLUIDS AND LUBRI-
CANTS ................................................................

10

Fluids and Lubricants  ..............................................

10

Engine Oil Recommendation  ..................................

10

Anti-Freeze Coolant Mixture Ratio  ..........................

11

ENGINE MAINTENANCE ...................................

12

DRIVE BELTS  ...........................................................

12

DRIVE BELTS : Exploded View  ..............................

12

DRIVE BELTS : Checking .......................................

12

DRIVE BELTS : Tension Adjustment  .....................

12

ENGINE COOLANT ...................................................

12

ENGINE COOLANT : Inspection .............................

12

ENGINE COOLANT : Draining ................................

13

ENGINE COOLANT : Refilling  ................................

13

ENGINE COOLANT : Flushing  ...............................

15

RESERVOIR TANK CAP  ..........................................

15

RESERVOIR TANK CAP : Inspection .....................

15

RADIATOR ................................................................

16

RADIATOR : Inspection  ..........................................

16

FUEL LINES  ..............................................................

16

FUEL LINES : Inspection  ........................................

17

AIR CLEANER FILTER  .............................................

17

AIR CLEANER FILTER : Removal and Installation 

....

17

ENGINE OIL ...............................................................

17

ENGINE OIL : Draining ............................................

17

ENGINE OIL : Refilling  ............................................

17

OIL FILTER  ................................................................

18

OIL FILTER : Removal and Installation  ...................

18

SPARK PLUG  ............................................................

18

SPARK PLUG : Removal and Installation  ...............

19

SPARK PLUG : Inspection  ......................................

19

EVAP VAPOR LINES  ................................................

20

EVAP VAPOR LINES : Inspection ...........................

20

CHASSIS MAINTENANCE  ...............................

21

EXHAUST SYSTEM ...................................................

21

EXHAUST SYSTEM : Inspection ............................

21

A/T FLUID  ..................................................................

21

A/T FLUID : Inspection  ............................................

21

TRANSFER FLUID  ....................................................

21

TRANSFER FLUID : Inspection  ..............................

21

TRANSFER FLUID : Draining  .................................

21

TRANSFER FLUID : Refilling  ..................................

22

FRONT PROPELLER SHAFT: 2F P15  .....................

22

FRONT PROPELLER SHAFT: 2F P15 : Inspec-
tion ...........................................................................

22

REAR PROPELLER SHAFT: 2F P26 ........................

23

REAR PROPELLER SHAFT: 2F P26 : Inspection ....

23

REAR PROPELLER SHAFT: 2S1410 .......................

23

REAR PROPELLER SHAFT: 2S1410 : Inspection ....

23

FRONT DIFFERENTIAL GEAR OIL: R180A  ............

24

FRONT DIFFERENTIAL GEAR OIL: R180A : In-
spection ...................................................................

24

MA-2

FRONT DIFFERENTIAL GEAR OIL: R180A : 
Draining ..................................................................

24

FRONT DIFFERENTIAL GEAR OIL: R180A : Re-
filling .......................................................................

25

REAR DIFFERENTIAL GEAR OIL: R230  ................

25

REAR DIFFERENTIAL GEAR OIL: R230 : Inspec-
tion ..........................................................................

25

REAR DIFFERENTIAL GEAR OIL: R230 : Drain-
ing ...........................................................................

25

REAR DIFFERENTIAL GEAR OIL: R230 : Refill-
ing ...........................................................................

26

WHEELS (BONDING WEIGHT TYPE)  .....................

26

WHEELS (BONDING WEIGHT TYPE) : Adjust-
ment ........................................................................

26

BRAKE FLUID LEVEL AND LEAKS ........................

27

BRAKE FLUID LEVEL AND LEAKS : Inspection ...

28

BRAKE LINES AND CABLES ..................................

28

BRAKE LINES AND CABLES : Inspection  .............

28

BRAKE FLUID  ..........................................................

28

BRAKE FLUID : Bleeding Brake System ................

28

DISC BRAKE  ............................................................

30

DISC BRAKE : Inspection  ......................................

30

DISC BRAKE : Front Disc Brake  ............................

31

DISC BRAKE : Rear Disc Brake .............................

31

STEERING GEAR AND LINKAGE  ...........................

31

STEERING GEAR AND LINKAGE : Inspection ......

31

POWER STEERING FLUID AND LINES ..................

32

POWER STEERING FLUID AND LINES : Inspec-
tion ..........................................................................

32

AXLE AND SUSPENSION PARTS ...........................

32

AXLE AND SUSPENSION PARTS : Inspection  .....

32

DRIVE SHAFT  ...........................................................

33

DRIVE SHAFT : Inspection .....................................

33

BODY MAINTENANCE  .....................................

34

LOCKS, HINGES AND HOOD LATCH  .....................

34

LOCKS, HINGES AND HOOD LATCH : Lubricat-
ing ...........................................................................

34

SEAT BELT, BUCKLES, RETRACTORS, AN-
CHORS AND ADJUSTERS  ......................................

34

SEAT BELT, BUCKLES, RETRACTORS, AN-
CHORS AND ADJUSTERS : Inspection .................

34

SERVICE DATA AND SPECIFICATIONS 
(SDS) ..........................................................

35

SERVICE DATA AND SPECIFICATIONS 
(SDS) .................................................................

35

DRIVE BELTS  ...........................................................

35

DRIVE BELTS : Drive Belts  ....................................

35

ENGINE COOLANT  ..................................................

35

ENGINE COOLANT : 
Periodical Maintenance Specification ....................

35

ENGINE OIL  ..............................................................

35

ENGINE OIL : Periodical Maintenance Specifica-
tion ..........................................................................

35

SPARK PLUG  ...........................................................

35

SPARK PLUG : Spark Plug  ....................................

35

ROAD WHEEL  ..........................................................

35

ROAD WHEEL : Road Wheel  .................................

35