NISSAN NAVARA 2005 Repair Workshop Manual

PREPARATION
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Valve guide reamer Reaming valve guide with (1) or hole for
oversize valve guide with (2)
Intake and Exhaust:
d
1= 6.0 mm (0.236 in) dia.
d
2= 10.2 mm (0.402 in) dia.
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.
TORX socketLoosening and tightening fuel pump mounting
bolt
Size: E10
TORX socketLoosening and tightening flywheel mounting
bolt
Size: T55
TORX socketLoosening and tightening drive plate
mounting bolt
Size: E20
Cylinder head bolt wrench Loosening and tightening cylinder head bolt,
and used with angle wrench [SST:
KV10112100]
a: 13 (0.51) dia.
b: 12 (0.47)
c: 10 (0.39)
Unit: mm (in)
TORX socketLoosening and tightening main bearing cap
bolt
Size: E14 Tool nameDescription
NT016
NT015
NT807
PBIC1113E
NT807
NT583
NT807

EM-10
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting — Engine NoiseEBS01E5Q
PBIC3402E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
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Use the Chart Below to Help You Find the Cause of the Symptom.EBS01E5R
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.
A: Closely related B: Related C: Sometimes related —: Not relatedLocation
of noiseType of
noiseOperating condition of engine
Source of
noiseCheck itemRefer-
ence page Before
warm-
upAfter
warm-
upWhen
start-
ingWhen
idlingWhen
racingWhile
driving
To p o f
engine
Rocker
cover
Cylinder
headTicking or
clickingCA—AB—Tappet
noiseValve clearanceEM-66
Rattle C A — A B CCamshaft
bearing
noiseCamshaft oil clearance
Camshaft runoutEM-61EM-61
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock—A—BB—Piston pin
noisePiston to piston pin
clearance
Connecting rod bush-
ing oil clearanceEM-125
EM-127
Slap or
rapA ——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-129EM-126
EM-126
EM-127
Knock A B C B B BConnect-
ing rod
bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearance (Big
end)EM-127EM-131
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-132EM-131
Front of
engine
Timing
chain
caseTapping or
tickingA A —BBBTiming
chain and
chain
tensioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-75
EM-84
EM-79
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belts
(Sticking
or slip-
ping)Drive belts deflection
EM-12
CreakingA B ABABDrive belts
(Slipping)Idler pulley bearing
operation
Squall
CreakA B —BABWater
pump
noiseWater pump operationCO-21,
"WATER
PUMP"

EM-12
DRIVE BELTS
DRIVE BELTS
PFP:02117
Checking Drive BeltsEBS01EJ4
lBefore inspecting engine, make sure engine has cooled down; wait approximately 30 minutes after engine
has been stopped.
lVisually inspect all belts for wear, damage or cracks on contacting surfaces and edge areas.
lMeasure deflection at the marked point ( ).
CAUTION:
lWhen checking belt deflection immediately after installation, first adjust it to the specified value.
Then, after turning crankshaft two turns or more, re-adjust to the specified value to avoid varia-
tion in deflection between pulleys.
lTighten idler pulley lock nut by hand and measure deflection without looseness.
Belt Deflection:
*: When engine is cold.1. Idler pulley 2. Power steering oil pump belt 3. Power steering oil pump
4. Crankshaft pulley 5.A/C compressor (Models with A/C)
Dummypulley(ModelswithoutA/C)6. Alternator
7. Idler pulley 8. Water pump pulley 9.A/C compressor, alternator and
water pump belt
PBIC4038E
Applied beltBelt deflection with 98 N (10 kg, 22 lb) force applied* mm (in)
New Adjusted Limit for re-adjusting
A/C compressor, alternator and water
pump belt2.9 - 3.4
(0.114 - 0.134)3.9 - 4.4
(0.154 - 0.173)8.5 (0.335)
Power steering oil pump belt4.6 - 5.4
(0.181 - 0.213)7.1 - 7.7
(0.280 - 0.303)11.3 (0.445)

DRIVE BELTS
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Deflection AdjustmentEBS01EJ5
lAdjust belts with the parts shown below.
CAUTION:
lWhen a new belt is installed as a replacement, adjust it to the specified value under “New” value
because of insufficient adaptability with pulley grooves.
lIf the belt deflection of the current belt is out of the “Limit for re-adjusting”, adjust to the
“Adjusted” value.
lWhen checking belt deflection immediately after installation, first adjust it to the specified value.
Then, after turning crankshaft two turns or more, re-adjust it to the specified value to avoid vari-
ation in deflection between pulleys.
lMake sure the belts are fully fitted into the pulley grooves during installation.
lHandle with care to avoid smearing the belts with engine oil or engine coolant.
lDo not twist or bend the belts with strong force.
POWER STEERING OIL PUMP BELT
1. Remove engine undercover front. Refer toEI-15, "FRONT BUMPER".
2. Loosen idler pulley lock nut (B).
3. Turn adjusting bolt (A) to adjust. Refer toEM-13, "
Deflection Adjustment".
4. Tighten idler pulley lock nut (B).
1. Idler pulley 2. Power steering oil pump belt 3. Power steering oil pump
4. Crankshaft pulley 5.Dummy pulley (Models without A/C)
A/C compressor (Models with A/C)6. Alternator
7. Idler pulley 8. Water pump pulley 9.A/C compressor, alternator and
water pump belt
A. Adjusting bolt B. Idler pulley lock nut C. Adjusting nut
D. Idler pulley lock nut
PBIC4039E
Applied belt Belt adjustment method
Power steering oil pump belt Adjusting bolt on idler pulley (A)
Alternator and water pump belt or A/C compressor, alternator and
water pump beltAdjusting nut on idler pulley (C)
Nut B:
: 28.0 N·m (2.9 kg-m, 21 ft-lb)

EM-14
DRIVE BELTS
A/C COMPRESSOR, ALTERNATOR AND WATER PUMP BELT
1. Loosen idler pulley lock nut (D).
2. Turn adjusting nut (C) to adjust. Refer toEM-13, "
Deflection Adjustment".
3. Tighten lock nut (D).
Removal and InstallationEBS01EJ6
REMOVAL
1. Loosen each belt. Refer toEM-13, "Deflection Adjustment".
2. Remove power steering oil pump belt. Refer toEM-13, "
POWER STEERING OIL PUMP BELT".
3. Remove A/C compressor, alternator and water pump belt. Refer toEM-14, "
A/C COMPRESSOR, ALTER-
NATOR AND WATER PUMP BELT".
INSTALLATION
1. Install each belt on pulley in the reverse order of removal.
2. Adjust belt deflection. Refer toEM-13, "
Deflection Adjustment".
3. Tighten nuts provided for adjustment to the specified torque.
4. Make sure again that each belt deflection is as specified.Nut D:
: 45.0 N·m (4.6 kg-m, 33 ft-lb)

AIR CLEANER AND AIR DUCT
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AIR CLEANER AND AIR DUCTPFP:16500
ComponentsEBS01EJC
lRefer toGI-10, "Components"for symbol marks in the figure.
Removal and InstallationEBS01E5S
REMOVAL
1. Remove mass air flow sensor harness clamp from air cleaner case (upper).
2. Disconnect harness connector from mass air flow sensor.
3. Remove air cleaner case (upper) and air cleaner filter.
lAdd marks as necessary for easier installation.
4. Remove mass air flow sensor from air cleaner case (upper).
CAUTION:
lDo not shock it.
lDo not disassemble it.
lDo not touch its sensor.
5. Remove air duct with ventilation hose and vacuum hoses disconnected.
lAdd marks as necessary for easier installation.
1. Air duct 2. Air inlet pipe 3. Gasket
4. Bracket 5. Mass air flow sensor 6. O-ring
7. Air cleaner case (upper) 8. Air cleaner filter 9. Air cleaner case (lower)
10. Mounting rubber 11. Air duct side
A. To turbocharger
PBIC4040E

EM-16
AIR CLEANER AND AIR DUCT
6. Remove air cleaner case (lower) and air duct side.
INSTALLATION
Note the following, and install in the reverse order of removal.
lAlign marks. Attach each joint. Screw clamps firmly.
lInstall ventilation hose and vacuum hoses as shown in the figure.
–Install vacuum hose by referring to paint marks avoiding twisting.
–When an insert stopper is not provided with the pipe, insert the hose up to dimension A. When the pipe is
shorter than dimension A, insert hose fully until it reaches the end.
–When an insert stopper is provided on the pipe side, insert the hose until it reaches the stopper.
A. White mark B. Yellow mark
Vehicle front
PBIC4043E
A. White mark B. Yellow mark
Vehicle front
Dimension A :15 - 20 mm (0.591 - 0.787 in)
PBIC4043E

AIR CLEANER AND AIR DUCT
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CHANGING AIR CLEANER FILTER
Removal
1. Remove mass air flow sensor harness clamp from air cleaner case (upper).
2. Disconnect harness connector from mass air flow sensor.
3. Unfasten clips and lift up air cleaner case (upper).
4. Remove air cleaner filter.
Installation
Installation is the reverse order of removal.

EM-18
CHARGE AIR COOLER
CHARGE AIR COOLER
PFP:14461
ComponentsEBS01EJD
Removal and InstallationEBS01E5T
REMOVAL
1. Remove front grille. Refer toEI-19, "FRONT GRILLE".
2. Disconnect harness connector from turbocharger boost sensor.
3. Remove turbocharger boost control solenoid valve.
4. Remove air inlet tube and air inlet hose.
lAdd marks as necessary for easier installation.
5. Remove charge air cooler.
6. Remove turbocharger boost sensor if necessary.
CAUTION:
When removing charge air cooler, close opening on turbocharger and on intake manifold with shop
cloth or other suitable material.
1. Turbocharger boost sensor 2. Grommet 3. Vacuum hose
4. Air inlet hose 5. Charge air cooler 6. Mounting rubber
7. Bracket 8. Bracket 9. Air inlet hose
10. Air inlet tube 11. Air inlet hose 12. Bracket
13. Air inlet tube 14. Air inlet hose 15. AIr inlet pipe
16. Gasket 17. Grommet 18. Bracket
19. Bracket 20.Turbocharger boost control solenoid
valve
A. To throttle chamber B. To turbocharger
PBIC4041E