2003 NISSAN X-TRAIL Service Repair Manual

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Page 129 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual CYLINDER HEAD
EM-77
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7. Check again for normal contact. Refer to EM-75, "VALVE SEAT CONTACT" .
VALVE SPRING SQUARENESS
Set try square along the side of valve spring an

Page 130 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EM-78
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ENGINE ASSEMBLY

ENGINE ASSEMBLYPFP:10001
Removal and InstallationEBS00KNT
WARNING:
Situate vehicle on a flat and solid surface.
Place chocks at front and back of rear wheels.
For engin

Page 131 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ENGINE ASSEMBLY
EM-79
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Preparation
1. Remove hood assembly. Refer to BL-12, "HOOD" .
2. Release fuel pressure. Refer to EC-48, "
FUEL PRESSURE RELEASE" (WITH EURO-OBD)

ENGINE ASSEMBLY
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Preparation
1. Remove hood assembly. Refer to BL-12, "HOOD" .
2. Release fuel pressure. Refer to EC-48, "
FUEL PRESSURE RELEASE" (WITH EURO-OBD) or EC-510,
"FUEL PRESSURE RELEASE" (WITHOUT EURO-OBD).
3. Disconnect both battery terminals. Refer to SC-3, "
BATTERY" .
4. Drain engine coolant from radiator. Refer to CO-9, "
DRAINING ENGINE COOLANT" .
5. Remove the following parts.
LH and RH undercovers
Front road wheels and tyres
Battery; Refer to SC-3, "BATTERY" .
Drive belt; Refer to EM-13, "DRIVE BELTS" .
Air duct and air cleaner case assembly; Refer to EM-15, "AIR CLEANER AND AIR DUCT" .
Alternator; Refer to SC-12, "CHARGING SYSTEM" .
Radiator and radiator cooling fan assembly; Refer to CO-12, "RADIATOR" .
6. Disconnect engine room harness from the engine side and set it aside for easier work.
7. Disconnect all vacuum hoses and air hoses connected to vehicle side at engine side.
Engine Room LH
1. Disconnect fuel feed hose, and plug it to prevent fuel from draining. Refer to EM-32, "FUEL INJECTOR
AND FUEL TUBE"
2. Disconnect heater hose, and install plug it to prevent engine coolant from draining.
3. Disconnect control cable from transaxle (A/T models). Refer to AT- 4 0 4 , "
ON-VEHICLE SERVICE" .
4. Disconnect clutch operating cylinder from transaxle, and move it aside (M/T models). Refer to CL-10,
"OPERATING CYLINDER" .
5. Disconnect shift and select cable from transaxle (M/T models). Refer to MT-14, "
CONTROL LINKAGE" .
Engine Room RH
1. Remove engine coolant reservoir tank. Refer to CO-12, "RADIATOR" .
2. Remove A/C compressor with piping connected from engine. Temporarily secure it on vehicle side with a
rope to avoid putting load on it. Refer to ATC-144, "
Removal and Installation of Compressor" .
Vehicle Underbody
1. Remove exhaust front tube. Refer to EX-2, "EXHAUST SYSTEM" .
2. Remove propeller shaft. Refer to PR-3, "
REAR PROPELLER SHAFT" .
3. Remove steering lower joint from steering gear. Refer to PS-10, "
STEERING COLUMN" .
4. Disconnect power steering fluid piping at a point between vehicle and engine. Refer to PS-34, "
HYDRAU-
LIC LINE" .
5. Remove rear plate cover from oil pan (upper). Then remove bolts fixing drive plate to torque converter
(A/T models). Refer to EM-25, "
OIL PAN AND OIL STRAINER" and AT- 4 1 3 , "REMOVAL AND INSTALLA-
TION" .
6. Remove transaxle joint bolts which pierce at oil pan (upper) lower rear side. Refer to MT-17, "
TRAN-
SAXLE ASSEMBLY" (M/T models) or AT- 4 1 3 , "REMOVAL AND INSTALLATION" (A/T models).
7. Remove front wheel sensor (LH and RH) for ABS from steering knuckle. Refer to BRC-45, "
WHEEL SEN-
SORS" (ABS) or BRC-116, "WHEEL SENSORS" (ESP/TCS/ABS).
8. Remove brake caliper assembly with piping connected from steering knuckle. Temporarily secure it on
vehicle side with a rope to avoid load on it. Refer to BR-27, "
FRONT DISC BRAKE" .
9. Remove lower ends of left and right strut from steering knuckle. Refer to FSU-5, "
FRONT SUSPENSION
ASSEMBLY" .
Removal
1. Install engine slingers into front left of cylinder head and rear right of cylinder head.

Page 132 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EM-80
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ENGINE ASSEMBLY

Use alternator bracket mounting bolt holes for the front side.
2. Lift with hoist and secure engine in position.
3. Use a manual lift table caddy (commercial service tool

Page 133 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ENGINE ASSEMBLY
EM-81
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9. Remove power steering oil pump with piping connected from engine. Move it aside on front suspension
member. Refer to PS-34, "
HYDRAULIC LINE"

ENGINE ASSEMBLY
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9. Remove power steering oil pump with piping connected from engine. Move it aside on front suspension
member. Refer to PS-34, "
HYDRAULIC LINE" .
10. Remove front engine mounting and rear engine mounting through-bolts to remove front suspension mem-
ber and center member.
11. Remove starter motor. Refer to SC-21, "
STARTING SYSTEM" .
12. Separate engine and transaxle. Refer to MT-17, "
TRANSAXLE ASSEMBLY" (M/T models) or AT- 4 1 3 ,
"REMOVAL AND INSTALLATION" (A/T models).
INSTALLATION
Note the following, and install in the reverse order of removal.
Do not allow engine oil to get on mounting insulator. Be careful not to damage mounting insulator.
When installation directions are specified, install parts according to the direction marks on them referring
to figure of components. Refer to EM-78, "
Removal and Installation" .
Make sure that each mounting insulator is seated properly, and tighten mounting bolts and nuts.
INSPECTION AFTER INSTALLATION
Before starting engine, check the levels of engine coolant, engine oil and working fluid. If less than
required quantity, fill to the specified level.
Use procedure below to make sure there is no fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, make sure there
are no fuel leaks at connection points.
–Start engine. With engine speed increased, check again if there are no fuel leaks at connection points.
Run engine to check for unusual noise and vibration.
Warm up engine thoroughly to make sure there is no leakage of engine coolant, engine oil, working fluid,
fuel and exhaust gas.
Bleed air from passages in pipes and tubes of applicable lines, such as in cooling system.
After cooling down engine, again check amounts of engine coolant, engine oil and working fluid. Refill to
specified level, if necessary.
Summary of the inspection items:
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Working fluid Level Leakage Level
Fuel — Leakage —
Exhaust gas — Leakage —

Page 134 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EM-82
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CYLINDER BLOCK

CYLINDER BLOCKPFP:11010
Disassembly and AssemblyEBS00KNU
1. Cylinder block 2. O-ring 3. Crankshaft position sensor (POS)
4. Knock sensor 5. Water drain plug 6. Lower cylind

Page 135 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual CYLINDER BLOCK
EM-83
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DISASSEMBLY
1. Remove engine, transaxle and transfer assembly from vehicle, and separate transaxle and transfer
assembly from engine. Refer to EM-

Page 136 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EM-84
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CYLINDER BLOCK

A widely use engine stand can be used.
NOTE:
This example is an engine stand for holding at transaxle
mounting side with flywheel (M/T models) or drive plate (A/T
models)

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