Nissan Pathfinder (2009 year). Instruction — part 369
PREPARATION
EM-9
< PREPARATION >
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Commercial Service Tool
INFOID:0000000003939470
KV991J0120
(J-47128)
Seal installer
Installing rear main seal
—
(J-48761)
Ring gear stopper
Removing and installing crankshaft pulley
Tool number
(Kent-Moore No.)
Tool name
Description
LBIA0452E
ALBIA0523ZZ
Tool number
(Kent-Moore No.)
Tool name
Description
(
—
)
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
(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)
PBIC0190E
PBIC1113E
NT047
NT583
2009 Pathfinder
EM-10
< PREPARATION >
[VQ40DE]
PREPARATION
(
—
)
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
(
—
)
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
(
—
)
Instruction lift table caddy
Removing and installing engine
Tool number
(Kent-Moore No.)
Tool name
Description
NT048
NT030
NT015
NT016
AEM488
AEM489
ZZA1210D
2009 Pathfinder
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
EM-11
< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise
INFOID:0000000003939471
Use the Chart Below to Help You Find the Cause of the Symptom
INFOID:0000000003939472
1.
Locate the area where noise occurs.
PBIC2873E
2009 Pathfinder
EM-12
< FUNCTION DIAGNOSIS >
[VQ40DE]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
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
2009 Pathfinder
DRIVE BELTS
EM-13
< ON-VEHICLE MAINTENANCE >
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ON-VEHICLE MAINTENANCE
DRIVE BELTS
Exploded View
INFOID:0000000003939473
Checking Drive Belts
INFOID:0000000003939474
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:0000000003939475
There is no instruction drive belt tension adjustment. The drive belt tension is automatically adjusted by the drive
belt auto tensioner.
Removal and Installation
INFOID:0000000003939476
REMOVAL
1.
Remove air duct and resonator assembly. Refer to
EM-25, "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
2009 Pathfinder
EM-14
< ON-VEHICLE MAINTENANCE >
[VQ40DE]
DRIVE BELTS
2.
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.
3.
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:0000000003939477
REMOVAL
1.
Remove air duct and resonator assembly. Refer to
EM-25, "Removal and Installation"
2.
Remove drive belt. Refer to
EM-13, "Removal and Installation"
.
3.
Remove engine cooling fan assembly (motor driven type). Refer to
CO-20, "Removal and Installation
.
4.
Remove drive belt auto tensioner and idler pulley using power tool.
INSTALLATION
Installation is in the reverse order of removal.
LBIA0428E
LBIA0429E
1.
Idler pulley
2.
Drive belt auto tensioner
2009 Pathfinder
AIR CLEANER FILTER
EM-15
< ON-VEHICLE MAINTENANCE >
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AIR CLEANER FILTER
Exploded View
INFOID:0000000003939478
Removal and Installation
INFOID:0000000003939479
REMOVAL
1.
Unhook clips, and lift air cleaner case (upper).
2.
Remove air cleaner filter.
INSTALLATION
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
Front
AWBIA0133GB
2009 Pathfinder
EM-16
< ON-VEHICLE MAINTENANCE >
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SPARK PLUG
SPARK PLUG
Exploded View
INFOID:0000000003939480
Removal and Installation
INFOID:0000000003939481
REMOVAL
1.
Remove engine room cover using power tool. Refer to
EM-24, "Removal and Installation"
.
2.
Remove ignition coil. Refer to
EM-40, "Removal and Installation"
.
3.
Remove spark plug using suitable tool.
CAUTION:
Do not drop or shock it.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for cleaning.
• If the spark plug tip is covered with carbon, a spark plug cleaner may be used.
1.
Ignition coil
2.
Spark plug
PBIC2901E
SEM294A
SMA773C
2009 Pathfinder
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