Nissan Pathfinder (2010 year). Manual - part 377

 

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Nissan Pathfinder (2010 year). Manual - part 377

 

 

EM-144

< PREPARATION >

[VK56DE]

PREPARATION

Commercial Service Tool

INFOID:0000000005260491

(Kent-Moore No.)
Tool name

Description

Power tool

Loosening bolts and nuts

Spark plug wrench

Removing and installing spark plug

(J-24239-01)
Cylinder head bolt wrench

Loosening and tightening cylinder head bolt, 
and use with angle wrench [SST: KV10112100 
(BT-8653-A)]

a: 13 (0.51) dia.
b: 12 (0.47)
c: 10 (0.39)

Unit: mm (in)

Valve seat cutter set

Finishing valve seat dimensions

Pulley puller

Removing crankshaft pulley

Piston ring expander

Removing and installing piston ring

PBIC0190E

S-NT047

NT583

S-NT048

ZZA0010D

S-NT030

2010 Pathfinder

PREPARATION

EM-145

< PREPARATION >

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Valve guide drift

Removing and installing valve guide

Intake & Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.

Valve guide reamer

1: Reaming valve guide hole
2: Reaming hole for oversize valve guide 

Intake & Exhaust:
d

1

 : 6.0 mm (0.236 in) dia.

d

2

 : 10.175 - 10.196 mm (0.4006 - 0.4014 in) 

dia.

Front oil seal drift

Installing front oil seal

Rear oil seal drift

Installing rear oil seal

(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner

Reconditioning the exhaust system threads 
before installing a new Air Fuel Ratio sensor 
and heated oxygen sensor (Use with anti-
seize lubricant shown below.)

a: J-43897-18 (18 mm dia.) (0.71 in) 
b: J-43897-12 (12 mm dia.) (0.55 in) 

Anti-seize lubricant (Permatex 133AR 
or equivalent meeting MIL specifica-
tion MIL-A-907)

Lubricating A/F sensors and heated oxygen 
sensor thread cleaning tool when recondition-
ing exhaust system threads

(Kent-Moore No.)
Tool name

Description

S-NT015

S-NT016

ZZA0012D

ZZA0025D

AEM488

AEM489

2010 Pathfinder

EM-146

< FUNCTION DIAGNOSIS >

[VK56DE]

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

FUNCTION DIAGNOSIS

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting - Engine Noise

INFOID:0000000005260492

AWBIA0149ZZ

2010 Pathfinder

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

EM-147

< FUNCTION DIAGNOSIS >

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Use the Chart Below to Help You Find the Cause of the Symptom

INFOID:0000000005260493

1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.

1.

Timing chain

2.

Intake valve

3.

Exhaust valve

4.

Drive belt

5.

Water pump

A.

VTC noise

B.

Tappet noise

C.

Camshaft bearing noise

D.

Valve mechanism

E.

Rotation mechanism

F.

Piston pin noise

G.

Piston slap noise

H.

Main bearing noise

I.

Connecting rod bearing noise

J.

Drive belt noise (slipping)

K.

Drive belt noise (stick/slipping)

L.

Water pump noise

M.

Timing chain and chain tensioner noise

Location of 

noise

Type of 

noise

Operating condition of engine

Source of 

noise

Check item

Refer-

ence page

Be-

fore 

warm-

up

After 

warm-

up

When 

start-

ing

When 

idling

When 

racing

While 

driv-

ing

Top of en-
gine
Rocker cov-
er
Cylinder 
head

Ticking or 
clicking

C

A

A

B

Tappet noise

Valve clearance

EM-208

Rattle

C

A

A

B

C

Camshaft 
bearing noise

Camshaft journal clear-
ance
Camshaft runout

EM-198
EM-198

Crankshaft 
pulley
Cylinder 
block (Side 
of engine)
Oil pan

Slap or 
knock

A

B

B

Piston pin 
noise

Piston and piston pin 
clearance
Connecting rod bushing 
clearance

EM-226
EM-226

Slap or 
rap

A

B

B

A

Piston slap 
noise

Piston-to-bore clear-
ance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend 
and torsion

EM-226
EM-226
EM-226
EM-226

Knock

A

B

C

B

B

B

Connecting 
rod bearing 
noise

Connecting rod bushing 
oil clearance (Small 
end)
Connecting rod bearing 
clearance (Big end)

EM-226
EM-226

Knock

A

B

A

B

C

Main bearing 
noise

Main bearing oil clear-
ance
Crankshaft runout

EM-226
EM-226

Front of en-
gine
Chain case 
cover
Front cover

Tapping 
or ticking

A

A

B

B

B

Timing chain 
and chain 
tensioner 
noise

Timing chain cracks 
and wear
Timing chain tensioner 
operation

EM-181
EM-181

2010 Pathfinder

EM-148

< FUNCTION DIAGNOSIS >

[VK56DE]

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

A: Closely related B: Related C: Sometimes related —: Not related

Front of en-
gine

Squeak-
ing or 
fizzing

A

B

B

C

Drive belts 
(Sticking or 
slipping)

Drive belts deflection

EM-149

Creaking

A

B

A

B

A

B

Drive belts 
(Slipping)

Idler pulley bearing op-
eration

Squall
Creaking

A

B

B

A

B

Water pump 
noise

Water pump operation

CO-51

Rattle

A

VTC

VTC lock pin clearance

EM-198

Location of 

noise

Type of 

noise

Operating condition of engine

Source of 

noise

Check item

Refer-

ence page

Be-

fore 

warm-

up

After 

warm-

up

When 

start-

ing

When 

idling

When 

racing

While 

driv-

ing

2010 Pathfinder

DRIVE BELTS

EM-149

< ON-VEHICLE MAINTENANCE >

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ON-VEHICLE MAINTENANCE

DRIVE BELTS

Exploded View

INFOID:0000000005260494

Checking Drive Belts

INFOID:0000000005260495

WARNING:

Be sure to perform when the engine is stopped.

1. Remove air duct and resonator assembly when inspecting drive belt.
2. Make sure that indicator (single line notch) of each auto tensioner is within the allowable working range

(between three line notches).

NOTE:

• Check the drive belt auto tensioner indication when the engine is cold.

• The indicator notch is located on the moving side of the drive belt auto tensioner. 

3. Visually check entire belt for wear, damage or cracks.
4. If the indicator is out of allowable working range or belt is damaged, replace the belt. Refer to 

EM-149,

"Removal and Installation"

.

Adjustment

INFOID:0000000005260496

There is no manual drive belt tension adjustment. The drive belt tension is automatically adjusted by the drive

belt auto tensioner.

Removal and Installation

INFOID:0000000005260497

REMOVAL

1. Remove the air duct and resonator assembly. Refer to 

EM-161, "Removal and Installation"

.

1.

Drive belt

2.

Power steering pump pulley

3.

Generator pulley

4.

Crankshaft pulley

5.

A/C compressor

6.

Idler pulley

7.

Cooling fan pulley

8.

Water pump pulley

9.

Drive belt auto tensioner

A.

Allowable working range

LBIA0391E

2010 Pathfinder

EM-150

< ON-VEHICLE MAINTENANCE >

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DRIVE BELTS

2. Install Tool on drive belt auto tensioner pulley bolt, move in the

direction of arrow (loosening direction of tensioner) as shown.

WARNING:

Avoid placing hand in a location where pinching may occur

if the holding tool accidentally comes off.

3. Remove the drive belt. 

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Make sure belt is securely installed around all pulleys.

• Rotate the crankshaft pulley several turns clockwise to equalize belt tension between pulleys.

• Make sure belt tension is within the allowable working range, using the indicator notch on the drive belt auto

tensioner. Refer to 

EM-149, "Checking Drive Belts"

.

Drive Belt Auto Tensioner and Idler Pulley

INFOID:0000000005260498

REMOVAL

1. Remove the drive belt. Refer to 

EM-149, "Removal and Installation"

.

2. Remove the drive belt auto tensioner and idler pulley using power tool.

INSTALLATION

Installation is in the reverse order of removal.

Tool number

:  —  (J-46535)

WBIA0537E

WBIA0607E

1.

Drive belt auto tensioner

2.

Idler pulley

2010 Pathfinder

AIR CLEANER FILTER

EM-151

< ON-VEHICLE MAINTENANCE >

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AIR CLEANER FILTER

Exploded View

INFOID:0000000005260499

Removal and Installation

INFOID:0000000005260500

REMOVAL

NOTE:

• The viscous paper type filter does not need cleaning between replacement intervals.

• Replace the air filter as necessary for periodic maintenance. Refer to 

MA-9, "For North America"

.

1. Unhook clips, and lift air cleaner case (upper).
2. Remove the air cleaner filter.

INSTALLATION

1. Installation is in the reverse order of removal.

1.

Air cleaner case (lower)

2.

Air cleaner filter

3.

Air cleaner case (upper)

4.

Air duct and resonator assembly

Front

ALBIA0413GB

2010 Pathfinder

 

 

 

 

 

 

 

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