2005 NISSAN X-TRAIL timing belt

EM-2 ROCKER COVER ..................................................... 44
Removal and Installation ........................................ 44
REMOVAL ........................................................... 44
INSTALLATION .................................................... 45
TIMING CHAIN .......................................................... 46
Removal and Installation ........................................ 46
REMOVAL ........................................................... 46
INSPECTION AFTER REMOVAL ........................ 50
INSTALLATION .................................................... 51
INSPECTION AFTER INSTALLATION ................ 55
CAMSHAFT ............................................................... 56
Removal and Installation ........................................ 56
REMOVAL ........................................................... 56
INSPECTION AFTER REMOVAL ........................ 58
INSTALLATION .................................................... 61
Valve Clearance ...................................................... 64
INSPECTION ....................................................... 64
ADJUSTMENT .................................................... 65
OIL SEAL .................................................................. 67
Removal and Installation of Valve Oil Seal ............. 67
REMOVAL ........................................................... 67
INSTALLATION .................................................... 67
Removal and Installation of Front Oil Seal ............. 67
REMOVAL ........................................................... 67
INSTALLATION .................................................... 68
Removal and Installation of Rear Oil Seal .............. 68
REMOVAL ........................................................... 68
INSTALLATION .................................................... 68
CYLINDER HEAD ..................................................... 70
On-Vehicle Service ................................................. 70
CHECKING COMPRESSION PRESSURE ......... 70
Removal and Installation ........................................ 71
REMOVAL ........................................................... 71
INSPECTION AFTER REMOVAL ........................ 72
INSTALLATION .................................................... 73
INSPECTION AFTER INSTALLATION ................ 73
Disassembly and Assembly .................................... 74
DISASSEMBLY ................................................... 74
ASSEMBLY ......................................................... 75
Inspection After Disassembly ................................. 77
VALVE DIMENSIONS .......................................... 77
VALVE GUIDE CLEARANCE .............................. 77
VALVE GUIDE REPLACEMENT ......................... 77
VALVE SEAT CONTACT ..................................... 79
VALVE SEAT REPLACEMENT ........................... 79
VALVE SPRING SQUARENESS ......................... 80
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................... 80
ENGINE ASSEMBLY ................................................ 81
Removal and Installation (2WD Models) ................ 81
REMOVAL ........................................................... 82
INSTALLATION .................................................... 83
INSPECTION AFTER INSTALLATION ................ 84
Removal and Installation (4WD Models) ................ 85
REMOVAL ........................................................... 85
INSTALLATION .................................................... 88
INSPECTION AFTER INSTALLATION ................ 88CYLINDER BLOCK ................................................... 89
Disassembly and Assembly .................................... 89
DISASSEMBLY .................................................... 90
ASSEMBLY .......................................................... 94
How to Select Piston and Bearing .......................... 99
DESCRIPTION .................................................... 99
HOW TO SELECT PISTON ...............................100
HOW TO SELECT CONNECTING ROD BEAR-
ING .....................................................................100
HOW TO SELECT MAIN BEARING ..................102
Inspection After Disassembly ................................107
CRANKSHAFT END PLAY ................................107
CONNECTING ROD SIDE CLEARANCE .........107
PISTON TO PISTON PIN OIL CLEARANCE .....107
PISTON RING SIDE CLEARANCE ...................108
PISTON RING END GAP ..................................108
CONNECTING ROD BEND AND TORSION .....109
CONNECTING ROD BIG END DIAMETER ......109
CONNECTING ROD BUSHING OIL CLEAR-
ANCE .................................................................109
CYLINDER BLOCK DISTORTION ....................110
MAIN BEARING HOUSING INNER DIAMETER . 111
PISTON TO CYLINDER BORE CLEARANCE .. 111
CRANKSHAFT MAIN JOURNAL DIAMETER ...112
CRANKSHAFT PIN JOURNAL DIAMETER ......113
OUT-OF-ROUND AND TAPER OF CRANK-
SHAFT ...............................................................113
CRANKSHAFT RUNOUT ..................................113
CONNECTING ROD BEARING OIL CLEAR-
ANCE .................................................................113
MAIN BEARING OIL CLEARANCE ...................114
MAIN BEARING CRUSH HEIGHT ....................115
CONNECTING ROD BEARING CRUSH
HEIGHT .............................................................115
LOWER CYLINDER BLOCK MOUNTING BOLT
OUTER DIAMETER ...........................................115
CONNECTING ROD BOLT OUTER DIAMETER .115
FLYWHEEL DEFLECTION (M/T MODELS) ......116
MOVEMENT AMOUNT OF FLYWHEEL (M/T
MODELS) ...........................................................116
SERVICE DATA AND SPECIFICATIONS (SDS) ....117
Standard and Limit ................................................117
GENERAL SPECIFICATIONS ...........................117
DRIVE BELT ......................................................117
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD .................................................................117
SPARK PLUG ....................................................117
CYLINDER HEAD ..............................................117
VALVE ................................................................118
CAMSHAFT AND CAMSHAFT BEARING .........121
CYLINDER BLOCK ............................................122
PISTON, PISTON RING AND PISTON PIN ......123
CONNECTING ROD ..........................................124
CRANKSHAFT ...................................................124
MAIN BEARING .................................................126
CONNECTING ROD BEARING .........................127
Tightening Torque .................................................127

EM-4 INSTALLATION ..................................................191
Removal and Installation of Rear Oil Seal ............192
REMOVAL .........................................................192
INSTALLATION ..................................................192
SECONDARY TIMING CHAIN ................................193
Removal and Installation ......................................193
REMOVAL .........................................................193
INSPECTION AFTER REMOVAL ......................195
INSTALLATION ..................................................195
PRIMARY TIMING CHAIN ......................................198
Removal and Installation ......................................198
REMOVAL .........................................................200
INSPECTION AFTER REMOVAL ......................203
INSTALLATION ..................................................203
CYLINDER HEAD ...................................................209
On-Vehicle Service ...............................................209
CHECKING COMPRESSION PRESSURE .......209
Removal and Installation ......................................210
REMOVAL .........................................................210
INSPECTION AFTER REMOVAL ......................211
INSTALLATION ..................................................212
INSPECTION AFTER INSTALLATION ..............214
Disassembly and Assembly ..................................215
DISASSEMBLY .................................................215
ASSEMBLY .......................................................216
INSPECTION AFTER DISASSEMBLY ..............217
ENGINE ASSEMBLY ..............................................222
Removal and Installation (2WD Models) ..............222
REMOVAL .........................................................223
INSTALLATION ..................................................224
INSPECTION AFTER INSTALLATION ..............225
Removal and Installation (4WD Models) ..............226
REMOVAL .........................................................227
INSTALLATION ..................................................229
INSPECTION AFTER INSTALLATION ..............229
CYLINDER BLOCK .................................................230
Disassembly and Assembly ..................................230
DISASSEMBLY .................................................231
ASSEMBLY .......................................................235
How to Select Piston and Bearing ........................241
DESCRIPTION ..................................................241
HOW TO SELECT PISTON ...............................242
HOW TO SELECT CONNECTING ROD BEAR-
ING ....................................................................242HOW TO SELECT MAIN BEARING ..................244
Inspection After Disassembly ................................245
CRANKSHAFT END PLAY ................................245
CONNECTING ROD SIDE CLEARANCE .........246
PISTON TO PISTON PIN CLEARANCE ...........246
PISTON RING SIDE CLEARANCE ...................247
PISTON RING END GAP ..................................247
CONNECTING ROD BEND AND TORSION .....248
CONNECTING ROD BIG END INNER DIAME-
TER ....................................................................248
CONNECTING ROD BUSHING OIL CLEAR-
ANCE .................................................................248
CYLINDER BLOCK TOP SURFACE DISTOR-
TION ..................................................................249
MAIN BEARING HOUSING INNER DIAMETER .249
PISTON TO CYLINDER BORE CLEARANCE ..250
CRANKSHAFT MAIN JOURNAL DIAMETER ...251
CRANKSHAFT PIN JOURNAL DIAMETER ......251
CRANKSHAFT OUT-OF-ROUND AND TAPER .251
CRANKSHAFT RUNOUT ..................................252
CONNECTING ROD BEARING OIL CLEAR-
ANCE .................................................................252
MAIN BEARING OIL CLEARANCE ...................253
CRUSH HEIGHT OF MAIN BEARING ..............253
CRUSH HEIGHT OF CONNECTING ROD
BEARING ...........................................................253
MAIN BEARING CAP BOLT DEFORMATION ...254
CONNECTING ROD BOLT DEFORMATION ....254
OIL JET ..............................................................254
OIL JET RELIEF VALVE ....................................254
FLYWHEEL DEFLECTION ................................255
MOVEMENT AMOUNT OF FLYWHEEL ...........255
SERVICE DATA AND SPECIFICATIONS (SDS) ....256
Standard and Limit ................................................256
GENERAL SPECIFICATIONS ...........................256
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD .................................................................256
DRIVE BELTS ....................................................256
CAMSHAFT .......................................................257
CYLINDER HEAD ..............................................259
VALVE ................................................................259
CYLINDER BLOCK ............................................262
PISTON, PISTON RING AND PISTON PIN ......263
CONNECTING ROD ..........................................264
CRANKSHAFT ...................................................264
AVAILABLE MAIN BEARING .............................265
AVAILABLE CONNECTING ROD BEARING .....265
Tightening Torque .................................................266

EM-12
[QR]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

Use the Chart Below to Help You Find the Cause of the Symptom.EBS00L7Q
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-64
Rattle C A — A B CCamshaft
bearing
noiseCamshaft journal oil
clearance
Camshaft runoutEM-59EM-58
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock—A—BB—Piston pin
noisePiston to piston pin oil
clearance
Connecting rod bush-
ing oil clearanceEM-107
EM-109
Slap or
rapA ——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-112EM-108
EM-108
EM-109
Knock A B CBBBConnect-
ing rod
bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearanceEM-109EM-113
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-114EM-113
Front of
engine
Front
coverTapping or
tickingA A —BBBTiming
chain and
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-50
EM-46
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belt
(Sticking
or slip-
ping)Drive belt deflection
EM-13
Creaking A B A B A BDrive belt
(Slipping)Idler pulley bearing
operation
Squall
CreakA B —BABWater
pump
noiseWater pump operationCO-21,
"WATER
PUMP"

TIMING CHAIN
EM-47
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Hood assembly; Refer to BL-12, "HOOD" .

RH and LH undercovers

PCV hose; Refer to EM-18, "INTAKE MANIFOLD" .

Ignition coil; Refer to EM-31, "IGNITION COIL" .

Rocker cover; Refer to EM-44, "ROCKER COVER" .

Engine coolant reservoir tank; Refer to CO-12, "RADIATOR" .

Drive belt; Refer to EM-13, "REMOVAL" .

Alternator; Refer to SC-13, "CHARGING SYSTEM" .

Drive belt auto-tensioner; Refer to EM-14, "REMOVAL" .

Exhaust front tube; Refer to EX-2, "EXHAUST SYSTEM" .
2. Remove A/C compressor from engine. Temporarily secure A/C compressor to vehicle side with a rope to
avoid putting a load on them.
3. Remove bracket mounting bolts for fixing A/C piping on right strut housing and exhaust manifold cover.
Doing so simplifies moving.
4. Remove power steering oil pump with piping connected, and secure it to vehicle side temporarily. Refer to
PS-37, "
HYDRAULIC LINE" .
5. Remove power steering reservoir tank from bracket to move power steering piping. Refer to PS-37,
"HYDRAULIC LINE" .
CAUTION:
To avoid power steering fluid leakage, temporarily fix power steering reservoir tank vertically.
6. Install engine slingers into front left of cylinder head and rear
right of cylinder head.

Use alternator bracket mounting bolt holes for the front side.
7. Lift with hoist, and support the engine posture.
8. Remove RH engine mounting insulator and bracket. Refer to EM-81, "
ENGINE ASSEMBLY" .
9. Remove engine mounting related parts below. Refer to EM-81, "
Removal and Installation (2WD Models)"
(2WD models) or EM-85, "Removal and Installation (4WD Models)" (4WD models).

RH engine mounting insulator

Center member

Rear engine mounting bracket (2WD models)
10. Drain engine oil. Refer to LU-8, "
Changing Engine Oil" .
11. Remove oil pan (upper and lower), and oil strainer. Refer to EM-27, "
OIL PAN AND OIL STRAINER" .
12. Remove intake valve timing control cover.

Loosen bolts in reverse order as shown in the figure.

U s e a s e a l c u t t e r ( s p e c i a l s e r v i c e t o o l : K V 1 0 1111 0 0 ) o r e q u i v -
alent tool to cut liquid gasket for removal.
CAUTION:
Be careful not to damage mounting surface.
13. Pull chain guide between camshaft sprockets out through front cover.Slinger bolts:
Front
: 57.9 N·m (5.9 kg-m, 43 ft-lb)
Rear
: 28.0 N·m (2.9 kg-m, 21 ft-lb)
SBIA0271E
KBIA0085E

EM-68
[QR]
OIL SEAL


Drive belt; Refer to EM-13, "DRIVE BELTS" .

Crankshaft pulley; Refer to EM-46, "TIMING CHAIN" .
2. Remove front oil seal with a suitable tool.
CAUTION:
Be careful not to damage front cover and crankshaft.
INSTALLATION
1. Apply new engine oil to new front oil seal joint surface and seal lip.
2. Install front oil seal so that each seal lip is oriented as shown in
the figure.

Press-fit front oil seal until it is flush with front end surface of
front cover with a suitable tool.
CAUTION:

Be careful not to damage front cover and crankshaft.

Press-fit oil seal straight to avoid causing burrs or tilt-
ing.
3. Install in the reverse order of removal after this step.
Removal and Installation of Rear Oil SealEBS00KNO
REMOVAL
1. Remove transaxle assembly. Refer to MT-19, "TRANSAXLE ASSEMBLY" (M/T models) or AT- 4 1 3 ,
"REMOVAL AND INSTALLATION" (A/T models).
2. Remove clutch cover and clutch disc (M/T models). Refer to CL-16, "
CLUTCH DISC, CLUTCH COVER
AND FLYWHEEL" .
3. Remove drive plate (A/T models) or flywheel (M/T models). Refer to EM-89, "
CYLINDER BLOCK" .
4. Remove rear oil seal with a suitable tool.
CAUTION:
Be careful not to damage crankshaft and cylinder block.
INSTALLATION
1. Apply new engine oil to new rear oil seal joint surface and seal lip.
SEM829E
SEM715A
SBIA0266E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
EM-139
[YD22DDTi]
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Use the Chart Below to Help You Find the Cause of the Symptom.EBS00LR9
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
Top of
engine
Rocker
cover
Cylinder
headTicking or
clickingCA—AB—Tappet
noiseValve clearanceEM-185
Rattle C A — A B CCamshaft
bearing
noiseCamshaft oil clearance
Camshaft runoutEM-182EM-181
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-246
EM-248
Slap or
rapA ——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-250EM-247
EM-247
EM-248
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-248EM-252
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-253EM-252
Front of
engine
Timing
chain
caseTapping or
tickingA A —BBBTiming
chain and
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-193
EM-198
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belts
(Sticking
or slip-
ping)Drive belts deflection
EM-140
CreakingA B ABABDrive belts
(Slipping)Idler pulley bearing
operation
Squall
CreakA B —BABWater
pump
noiseWater pump operationCO-43,
"WATER
PUMP"

OIL SEAL
EM-191
[YD22DDTi]
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Removal and Installation of Front Oil SealEBS01FBN
REMOVAL
1. Remove the following parts.

RH engine undercover

Drive belt; Refer to EM-140, "DRIVE BELTS" .

Crankshaft pulley; Refer to EM-198, "PRIMARY TIMING CHAIN" .
2. Remove front oil seal with a suitable tool.
CAUTION:
Be careful not to damage oil pump housing and crankshaft.
INSTALLATION
1. Apply new engine oil to new front oil seal joint surface and seal lip.
2. Install front oil seal so that each seal lip is oriented as shown in
the figure.

Using the suitable drift [62 mm (2.44 in) dia.], force fit the seal
until it hits the bottom.
CAUTION:
Do not touch lips of oil seal. Make sure seal surfaces are
free of foreign materials.
3. Install in the reverse order of removal.
AEM385
SEM715A
JEM142G

PRIMARY TIMING CHAIN
EM-207
[YD22DDTi]
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a. Apply a continuous bead of liquid gasket with the tube presser
(special service tool: WS39930000) as shown in the figure.
b. Install oil pump drive spacer to crankshaft.

Install with the front mark (punched mark) facing the front of
the engine.
c. Install O-ring into the groove of rear chain case.
d. Install oil pump housing.

When installing, align the inner rotor in the direction of the two facing flats of oil pump drive spacer.

When installing, align the dowel pin with the pin hole.
e. Tighten fixing bolts in numerical order shown in the figure.
f. After tightening all the bolts, re-tighten in the same order.
14. Check gaps on upper oil pan mounting surface.

Using straightedge and feeler gauge, measure gaps between
the locations of the following parts:

If the measured value is out of the standard, install again.
15. Install crankshaft pulley as follows:
a. Install crankshaft pulley, taking care not to damage front oil seal.
CAUTION:
Do not tap pulley on the side surface where belt is installed (outer circumference).A : Leave the start and end areas of the bead slightly
protruding from the surface.
B : Apply liquid gasket along upper end surface of oil
pump housing.
JEM144G
JEM145G
JEM133G
Oil pump housing and rear chain case:
Standard : – 0.09 to 0.09 mm (– 0.0035 to 0.0035 in)
Rear chain case and cylinder block:
Standard : – 0.19 to 0.07 mm (– 0.0075 to 0.0028 in)
JEM146G