Nissan Pathfinder (2012 year). Manual - part 460

 

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Nissan Pathfinder (2012 year). Manual - part 460

 

 

LU-18

< UNIT DISASSEMBLY AND ASSEMBLY >

[VQ40DE]

OIL PUMP

Check regulator valve to oil pump cover clearance using the following formula.

• (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.

ASSEMBLY

Installation is in the reverse order of removal.

NOTE:

• Install oil pump inner rotor with the groove facing the oil pump cover side.

• Install the oil pump outer rotor with the punch mark facing the oil

pump cover side.

Regulator valve to oil pump cover
Refer to 

LU-19, "Standard and Limit"

.

PBIC2829E

PBIC2830E

August 2012

2012 Pathfinder

SERVICE DATA AND SPECIFICATIONS (SDS)

LU-19

< SERVICE DATA AND SPECIFICATIONS (SDS) 

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Standard and Limit

INFOID:0000000007357882

OIL PRESSURE

Unit: kPa (kg/cm

2, psi)

*: Engine oil temperature at 80

°

C (176

°

F) 

OIL PUMP

Unit: mm (in)

REGULATOR VALVE

Unit: mm (in)

ENGINE OIL CAPACITY (APPROXIMATE)

Unit:   (US qt, Imp qt)

Engine speed

Approximate discharge oil pressure*

Idle speed

More than 98 (1.0, 14)

2,000 rpm

More than 294 (3.0, 43) 

6,000 rpm

More than 392 (4.0, 56.8) 

Body to outer rotor (Position 1)

0.120 - 0.195 (0.0047 - 0.0077)

Inner rotor to outer rotor tip (Position 2)

0.060 - 0.160 (0.0024 - 0.0063)

Body to inner rotor (Position 3)

0.030 - 0.070 (0.0012 - 0.0028)

Body to outer rotor (Position 4)

0.050 - 0.090 (0.0020 - 0.0035)

Inner rotor to brazed portion of housing 

0.045 - 0.091 (0.0018 - 0.0036)

Regulator valve to oil pump cover

0.025 - 0.070 (0.0010 - 0.0028)

Drain and refill

With oil filter change

5.1 (5-3/8, 4-1/2)

Without oil filter change

4.8 (5-1/8, 4-1/4)

Dry engine (Overhaul)

6.3 (6-5/8, 5-1/2)               

August 2012

2012 Pathfinder

LU-20

< PRECAUTION >

[VK56DE]

PRECAUTIONS

PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

INFOID:0000000007828727

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along

with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain

types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS

system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front

air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.

Information necessary to service the system safely is included in the SR and SB section of this Service Man-

ual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by

an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag

Module, see the SR section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-

ness connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-

tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a

hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing

serious injury.

• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the

battery, and wait at least 3 minutes before performing any service.

Precaution Necessary for Steering Wheel Rotation After Battery Disconnect

INFOID:0000000007357884

NOTE:

• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-

TEM).

• Remove and install all control units after disconnecting both battery cables with the ignition knob in the

LOCK

 position.

• Always use CONSULT to perform self-diagnosis as a part of each function inspection after finishing work. If

DTC is detected, perform trouble diagnosis according to self-diagnostic results.

For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-

anism is adopted on the key cylinder.

For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and

steering wheel rotation will become impossible.

If steering wheel rotation is required when battery power is interrupted, follow the procedure below before

starting the repair operation.

OPERATION PROCEDURE

1. Connect both battery cables.

NOTE:

Supply power using jumper cables if battery is discharged.

2. Use the Intelligent Key or mechanical key to turn the ignition switch to the 

ACC

 position. At this time, the

steering lock will be released.

3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be

rotated.

4. Perform the necessary repair operation.

August 2012

2012 Pathfinder

PRECAUTIONS

LU-21

< PRECAUTION >

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5. When the repair work is completed, return the ignition switch to the 

LOCK

 position before connecting

the battery cables. (At this time, the steering lock mechanism will engage.)

6. Perform a self-diagnosis check of all control units using CONSULT. 

Precaution for Liquid Gasket

INFOID:0000000007357885

REMOVAL OF LIQUID GASKET 

• After removing the bolts and nuts, separate the mating surface and

remove the old liquid gasket using Tool.

CAUTION:

Do not damage the mating surfaces.

• Tap the seal cutter to insert it (1).

• In areas where the Tool is difficult to use, lightly tap to slide it (2).

LIQUID GASKET APPLICATION PROCEDURE

1. Remove the old liquid gasket adhering to the gasket application

surface and the mating surface using suitable tool.

• Remove the liquid gasket completely from the groove of the

liquid gasket application surface, bolts, and bolt holes.

2. Thoroughly clean the mating surfaces and remove adhering

moisture, grease and foreign material.

3. Attach the liquid gasket tube to the Tool.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-14, "Recommended Chemical Products and Sealants"

4. Apply the liquid gasket without breaks to the specified location

with the specified dimensions.

• If there is a groove for the liquid gasket application, apply the

liquid gasket to the groove.

• Normally apply the liquid gasket on the inside edge of the bolt

holes. Also apply to the outside edge of the bolt holes when

specified in the procedure.

• Within five minutes of liquid gasket application, install the mat-

ing component.

• If the liquid gasket protrudes, wipe it off immediately.

• Do not retighten after the installation.

• Wait 30 minutes or more after installation before refilling the

engine with oil or coolant.

CAUTION:

Carefully follow all of the warnings, cautions, notes, and procedures contained in this manual.

Tool number

: KV10111100 (J-37228)

WBIA0566E

PBIC0003E

Tool number

: WS39930000 ( — )

WBIA0567E

SEM159F

August 2012

2012 Pathfinder

LU-22

< PREPARATION >

[VK56DE]

PREPARATION

PREPARATION

PREPARATION

Special Service Tool

INFOID:0000000007357886

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tool

INFOID:0000000007357887

Tool number
(Kent-Moore No.)
Tool name

Description

ST25051001
(J-25695-1)
Oil pressure gauge

Measuring oil pressure

Maximum measuring range:
2,452 kPa (25 kg/cm

2

, 356 psi)

ST25052000
(J-25695-2)
Hose

Adapting oil pressure gauge to cylinder block

KV10111100
(J-37228)
Seal cutter

Removing steel oil pan and rear timing chain 
case

KV10115801
(J-38956)
Oil filter wrench

Removing and installing oil filter

a: 64.3 mm (2.531 in)

WS39930000
( — )
Tube presser

Pressing the tube of liquid gasket

S-NT050

S-NT559

NT046

S-NT375

S-NT052

August 2012

2012 Pathfinder

PREPARATION

LU-23

< PREPARATION >

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Tool name

Description

Power tool

Loosening nuts, screws and bolts

Deep socket

Removing and installing oil pressure switch 
Deep socket 26 mm (1.0 in) 

PIIB1407E

NT818

August 2012

2012 Pathfinder

LU-24

< SYSTEM DESCRIPTION >

[VK56DE]

LUBRICATION SYSTEM

SYSTEM DESCRIPTION

LUBRICATION SYSTEM

Lubrication Circuit

INFOID:0000000007357888

WBIA0399E

1.

Exhaust camshaft

2.

Intake camshaft

3.

Main oil galley

4.

Chain tensioner (Left bank)

5.

Oil filter

6.

Oil cooler

7.

Oil pan

8.

Oil strainer

9.

Oil pump

10. Chain tensioner (Right bank)

August 2012

2012 Pathfinder

LUBRICATION SYSTEM

LU-25

< SYSTEM DESCRIPTION >

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System Chart

INFOID:0000000007357889

PBIC0134E

August 2012

2012 Pathfinder

 

 

 

 

 

 

 

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