Nissan Pathfinder (2010 year). Manual — part 360
EM-8
< PREPARATION >
[VQ40DE]
PREPARATION
KV10116200
(J-26336-B)
Valve spring compressor
1. KV10115900
(J-26336-20)
Attachment
2.KV10109220
( — )
Adapter
Disassembling valve mechanism
Part (1) is a component of KV10116200 (J-
26336-B), but Part (2) is not so.
KV10107902
(J-38959)
Valve oil seal puller
Replacing valve oil seal
—
(J-39386)
Valve oil seal drift
Installing valve oil seal
EM03470000
(J-8037)
Piston ring compressor
Installing piston assembly into cylinder bore
KV10112100
(BT-8653-A)
Angle wrench
Tightening bolts for bearing cap, cylinder
head, etc. in angle
ST16610001
(J-23907)
Pilot bushing puller
Removing pilot converter
Tool number
(Kent-Moore No.)
Tool name
Description
PBIC1650E
NT011
NT024
NT044
NT014
NT045
2010 Pathfinder
PREPARATION
EM-9
< PREPARATION >
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Commercial Service Tool
INFOID:0000000005260428
—
1. (J-49815)
2. (J-8092)
Seal installer and driver handle
Installing rear main seal
—
(J-48761)
Ring gear stopper
Removing and installing crankshaft pulley
Tool number
(Kent-Moore No.)
Tool name
Description
AWBIA0862ZZ
ALBIA0523ZZ
Tool number
(Kent-Moore No.)
Tool name
Description
1. Crowfoot
2. Torque wrench
Installing exhaust manifold nuts
a: 14 mm (0.55 in)
( — )
Power tool
Loosening nuts and bolts
KV991J0100
(J-46531)
TORX socket
Removing and installing flywheel
Size: T55
( — )
Spark plug wrench
Removing and installing spark plug
S-NT360
PBIC0190E
PBIC1113E
NT047
2010 Pathfinder
EM-10
< PREPARATION >
[VQ40DE]
PREPARATION
(J-24239-01)
Cylinder head bolt wrench
Loosening and tightening cylinder head bolt,
and used with angle wrench [SST:
KV10112100 (BT8653-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
( — )
Piston ring expander
Removing and installing piston ring
( — )
Valve guide drift
Removing and installing valve guide
Intake and Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.
( — )
Valve guide reamer
(1): Reaming valve guide inner hole
(2): Reaming hole for oversize valve guide
Intake and Exhaust:
d
1
: 6.0 mm (0.236 in) dia.
d
2
: 10.175 - 10.196 mm (0.4006 - 0.4014 in)
dia.
(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner
Reconditioning the exhaust system threads
before installing a new heated oxygen sensor
(Use with anti-seize lubricant shown below.)
a: J-43897-18 [18 mm (0.71 in) dia.] for zir-
conia heated oxygen sensor
b: J-43897-12 [12 mm (0.47 in) dia.] for tita-
nia heated oxygen sensor
Tool number
(Kent-Moore No.)
Tool name
Description
NT583
NT048
NT030
NT015
NT016
AEM488
2010 Pathfinder
PREPARATION
EM-11
< PREPARATION >
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( — )
Anti-seize lubricant (Permatex 133AR
or equivalent meeting MIL specifica-
tion MIL-A-907)
Lubricating oxygen sensor thread cleaning
tool when reconditioning exhaust system
threads
( — )
Manual lift table caddy
Removing and installing engine
Tool number
(Kent-Moore No.)
Tool name
Description
AEM489
ZZA1210D
2010 Pathfinder
EM-12
< FUNCTION DIAGNOSIS >
[VQ40DE]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
FUNCTION DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise
INFOID:0000000005260429
Use the Chart Below to Help You Find the Cause of the Symptom
INFOID:0000000005260430
1. Locate the area where noise occurs.
PBIC2873E
2010 Pathfinder
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
EM-13
< FUNCTION DIAGNOSIS >
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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.
A: Closely related B: Related C: Sometimes related —: Not related
Location
of noise
Type of
noise
Operating condition of engine
Source of
noise
Check item
Refer-
ence page
Before
warm-
up
After
warm-
up
When
start-
ing
When
idling
When
racing
While
driving
Top of en-
gine
Rocker
cover
Cylinder
head
Ticking or
clicking
C
A
—
A
B
—
Tappet
noise
Valve clearance
Rattle
C
A
—
A
B
C
Camshaft
bearing
noise
Camshaft runout
Camshaft journal oil
clearance
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil pan
Slap or
knock
—
A
—
B
B
—
Piston pin
noise
Piston to piston pin oil
clearance
Connecting rod bushing
oil clearance
Slap or
rap
A
—
—
B
B
A
Piston
slap noise
Piston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion
Knock
A
B
C
B
B
B
Connect-
ing rod
bearing
noise
Connecting rod bushing
oil clearance
Connecting rod bearing
oil clearance
Knock
A
B
—
A
B
C
Main bear-
ing noise
Main bearing oil clear-
ance
Crankshaft runout
Front of
engine
Timing
chain case
Tapping or
ticking
A
A
—
B
B
B
Timing
chain and
chain ten-
sioner
noise
Timing chain cracks
and wear
Timing chain tensioner
operation
Front of
engine
Squeak-
ing or fizz-
ing
A
B
—
B
—
C
Drive belts
(Sticking
or slip-
ping)
Drive belts deflection
Creaking
A
B
A
B
A
B
Drive belts
(Slipping)
Idler pulley bearing op-
eration
Squall
Creak
A
B
—
B
A
B
Water
pump
noise
Water pump operation
Rattle
—
—
A
—
—
—
VTC
VTC lock pin clearance
2010 Pathfinder
EM-14
< ON-VEHICLE MAINTENANCE >
[VQ40DE]
DRIVE BELTS
ON-VEHICLE MAINTENANCE
DRIVE BELTS
Exploded View
INFOID:0000000005260431
Checking Drive Belts
INFOID:0000000005260432
WARNING:
Be sure to perform when the engine is stopped.
1. Remove air duct and resonator assembly when inspecting drive belt. Refer to
.
2. Make sure that the auto tensioner indicator is within the allow-
able working range (A) as shown.
3. Visually check entire belt for wear, damage or cracks.
4. If the indicator is out of the allowable range or drive belt is dam-
aged, replace the drive belt. Refer to
.
Adjustment
INFOID:0000000005260433
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:0000000005260434
REMOVAL
1. Remove the engine room cover. Refer to
EM-25, "Removal and Installation"
2. Remove air duct and resonator assembly. Refer to
EM-26, "Removal and Installation"
LBIA0427E
1.
Drive belt
2.
Power steering oil pump pulley
3.
Generator pulley
4.
Crankshaft pulley
5.
A/C compressor
6.
Cooling fan pulley
7.
Idler pulley
8.
Drive belt tensioner
AWBIA0723ZZ
2010 Pathfinder
DRIVE BELTS
EM-15
< ON-VEHICLE MAINTENANCE >
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3. Rotate the drive belt auto tensioner in the direction of arrow
(loosening direction of tensioner) as shown, using suitable tool.
WARNING:
Avoid placing hand in a location where pinching may occur
if the tool accidentally comes off.
4. Remove the drive belt.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Make sure belt is securely installed around all pulleys.
Drive Belt Auto Tensioner and Idler Pulley
INFOID:0000000005260435
REMOVAL
1. Remove the engine room cover. Refer to
EM-25, "Removal and Installation"
2. Remove air duct and resonator assembly. Refer to
EM-26, "Removal and Installation"
3. Remove drive belt. Refer to
EM-14, "Removal and Installation"
.
4. Remove drive belt auto tensioner and idler pulley.
INSTALLATION
Installation is in the reverse order of removal.
LBIA0428E
1.
Idler pulley
2.
Drive belt auto tensioner
AWBIA0861GB
2010 Pathfinder
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