2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 2137 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual PRIMARY TIMING CHAIN
EM-167
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19. Remove chain guide and tension guides.
20. Remove fuel supply pump.
21. Remove power steering pump.
22. Remove camshaft sprockets.

Page 2138 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-168
[YD22DDTi]
PRIMARY TIMING CHAIN
INSPECTION AFTER REMOVAL
Timing Chain
Check for cracks and excessive wear at roller links. Replace
chain if necessary.
INSTALLATION
1. Install rear chain case.
a

Page 2139 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual PRIMARY TIMING CHAIN
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b. Install four O-rings to the grooves of the cylinder block and fuel
supply pump bracket.
c. Install rear chain case.
lWhen installing

Page 2140 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-170
[YD22DDTi]
PRIMARY TIMING CHAIN
6. Install primary timing chain with fuel supply pump sprocket.
lWhen installing, match the alignment marks on sprockets with
color coded alignment marks (colore

Page 2141 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual PRIMARY TIMING CHAIN
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12. Install chain case cover (for opening for power steering pump
removal/installation) to oil pump.
lApply a continuous bead of Genuin

Page 2142 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-172
[YD22DDTi]
PRIMARY TIMING CHAIN
14. Check gaps on upper oil pan mounting surface.
lUsing straightedge and feeler gauge, measure gaps between
the locations of the following parts:
lIf the measur

Page 2143 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual CYLINDER HEAD
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CYLINDER HEADPFP:11041
On-Vehicle ServiceEBS00BPL
CHECKING COMPRESSION PRESSURE
1. Warm up engine thoroughly. Then, stop it.
2. Using CONSULT-

CYLINDER HEAD
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CYLINDER HEADPFP:11041
On-Vehicle ServiceEBS00BPL
CHECKING COMPRESSION PRESSURE
1. Warm up engine thoroughly. Then, stop it.
2. Using CONSULT-II, make sure no error codes are indicated for self-diagnosis items. Refer toEC-672,
"Basic Inspection".
lDo not disconnect CONSULT-II until the end of this operation; it will be used to check engine rpm and
for error detection at the end of this operation.
3. Disconnect the negative battery terminal.
4. Remove the following parts.
lCharge air cooler (Refer toEM-114, "Removal and Installation".)
5. To prevent fuel from being injected during inspection, remove
fuel supply pump fuse [ENG CONT (20A)] from fuse box on the
left side of engine compartment.
lAmong marks on fuse box, [ENG CONT 3 (20A)] is for fuel
supply pump fuse.
6. Remove glow plugs from all the cylinders. Refer toEM-130,
"Removal and Installation".
CAUTION:
lBefore removal, clean the surrounding area to prevent
entry of any foreign materials into the engine.
lCarefully remove glow plugs to prevent any damage or
breakage.
lHandle with care to avoid applying any shock to glow plugs.
7. Install adapter to installation holes of glow plugs and connect
compression gauge for diesel engine.
8. Connect battery negative terminal.
9. Set the ignition switch to “START” and crank. When gauge
pointer stabilizes, read compression pressure and engine rpm.
Repeat the above steps for each cylinder.
lAlways use a fully-charged battery to obtain specified engine
speed.
Unit:kPa(bar,kg/cm2, psi)/rpm
lWhen engine rpm is out of the specified range, check the specific gravity of battery liquid. Measure
again under corrected conditions.
lIf engine rpm exceeds the limit, check valve clearance and combustion chamber components (valves,
valve seats, cylinder head gaskets, piston rings, pistons, cylinder bores, cylinder block upper and lower
surfaces) and measure again.
lIf compression pressure is low in some cylinders, apply engine oil from glow plug installation hole. Then
check pressure again.
–If compression pressure becomes normal after applying oil, piston ring may be worn or damaged.
Check piston ring for malfunction. If any, replace piston ring.
–If compression pressure is still low after applying oil, valve may be malfunctioning. Check valve for mal-
function. If contact malfunction is found, replace valve or valve seat.
lIf compression pressure in adjacent two cylinders is low after applying oil, pressure may be leaking
from gasket. In this case, replace cylinder head gasket.
SBIA0192E
:18-21N·m(1.8-2.2kg-m,13-15ft-lb)
Standard MinimumDifference limit between
cylinders
2,893 (28.9, 29.5, 419)/
2002,452 (24.52, 25.0, 356)/
200490 (4.90, 5.0, 71)/200
SEM112G

Page 2144 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-174
[YD22DDTi]
CYLINDER HEAD
10. Complete this operation as follows:
a. Turn the ignition switch to “OFF”.
b. Disconnect battery negative terminal.
c. Install glow plug and install all the part

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