2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 2017 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TIMING CHAIN
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19. Remove timing chain tensioner for balancer unit with the follow-
ing procedure.
a. Lift tensioner lever up, and release rachet claw for return

Page 2018 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-48
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TIMING CHAIN
INSTALLATION
NOTE:
lThe figure shows the relationship between the mating mark on
each timing chain and that on the corresponding sprocket, with
the components installed.
lB

Page 2019 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TIMING CHAIN
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3. Install crankshaft sprocket and timing chain for balancer unit.
lMake sure that crankshaft sprocket is positioned with mating
marks on block an

Page 2020 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-50
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TIMING CHAIN
6. Install front oil seal to front cover.
lUsing a drift of 56 mm (2.20in) dia, press oil seal in until it is
flush with front end surface of front cover.
CAUTION:
lBe care

Page 2021 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TIMING CHAIN
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9. Install Intake valve timing control cover with the following procedure.
a. Install Intake valve timing control solenoid valves to Intake valve

Page 2022 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-52
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CYLINDER HEAD
CYLINDER HEAD
PFP:11041
On-Vehicle ServiceEBS009R3
CHECKING COMPRESSION PRESSURE
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel pressure. Refer toEC-34, "
FU

Page 2023 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual CYLINDER HEAD
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lIf some cylinders have low compression pressure, pour small amount of engine oil into the spark plug hole
of the cylinder to re-check it for com

CYLINDER HEAD
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lIf some cylinders have low compression pressure, pour small amount of engine oil into the spark plug hole
of the cylinder to re-check it for compression.
–If the added engine oil improves the compression, the piston rings may be worn out or damaged. Check
the piston rings and replace if necessary.
–If the compression pressure remains at low level despite the addition of engine oil, the valves may be mal-
functioning. Check the valves for damage. Replace the valve or valve seat accordingly.
lIf two adjacent cylinders have respectively low compression pressure and their compression remains low
even after the addition of engine oil, the gaskets are leaking. In such a case, replace the cylinder head
gaskets.
8. Install spark plug, ignition coil and harness connectors.
Removal and InstallationEBS009R4
REMOVAL
1. Release fuel pressure. Refer toEC-34, "FUEL PRESSURE RELEASE"(WITH EURO-OBD),EC-399,
"FUEL PRESSURE RELEASE"(WITHOUT EURO-OBD).
2. Drain engine coolant and engine oil.
3. Remove the following components and related parts.
lEngine hood and engine under cover.
lAir cleaner case and air duct assembly; Refer toEM-15, "Removal and Installation".
lIgnition coils; Refer toEM-27, "Removal and Installation".
lRocker cover; Refer toEM-31, "Removal and Installation".
lEngine Coolant reservoir tank
lAuxiliary drive belt; Refer toEM-14, "Removal and Installation of Auxiliary Drive Belt Auto- tensioner".
lAlternator
lAuxiliary drive belt auto -tensioner; Refer toEM-14, "Removal and Installation of Auxiliary Drive Belt Auto-
tensioner".
lExhaust front tube; Refer toEX-2, "EXHAUST SYSTEM".
lExhaust manifold; Refer toEM-22, "Removal and Installation".
lIntake manifold collector, intake manifold and fuel tube assembly; Refer toEM-17, "Removal and Installa-
tion".
lWater control valve and housing; Refer toCO-21, "THERMOSTAT AND WATER CONTROL VALVE".
4. Remove front cover and timing chain. Refer toEM-43, "
Removal and Installation".
KBIA0250E
1 Cylinder head assembly 2 Cylinder head gasket 3 Cylinder head bolt

Page 2024 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-54
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CYLINDER HEAD
5. Remove camshaft. Refer toEM-33, "Removal and Installation".
6. Securely support bottom of cylinder block with a jack or equivalent tool, and remove the hoist that was
s

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