2005 NISSAN X-TRAIL Service Repair Manual

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Page 265 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual CYLINDER HEAD
EM-211
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Remove cylinder head bolts in reverse order as shown in the
figure with the cylinder head bolt wrench (commercial service
tool).
Lift up

Page 266 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EM-212
[YD22DDTi]
CYLINDER HEAD

Cylinder head- to- block Difference Check
After installing cylinder head, measure dimension from the front
end surface of cylinder block to that of cylinder head.

Page 267 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual CYLINDER HEAD
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b. Set the dial indicator at the location as shown in the figure. Turn-
ing crankshaft gradually, set the indicator scale to “0” where t

Page 268 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EM-214
[YD22DDTi]
CYLINDER HEAD

c. Tighten 180 degrees in numerical order as shown (angle tight-
ening).
d. Loosen completely in reverse order of that shown in the figure.
e. Tighten all bolts in nu

EM-214
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CYLINDER HEAD

c. Tighten 180 degrees in numerical order as shown (angle tight-
ening).
d. Loosen completely in reverse order of that shown in the figure.
e. Tighten all bolts in numerical order as shown.
f. Tighten 90 degrees in numerical order as shown (angle tighten-
ing).
g. Tighten another 90 degrees in numerical order as shown (angle
tightening).
CAUTION:
When the angle wrench (special service tool) is not used, paint an alignment mark on the head
of cylinder head bolt and cylinder head surface before tightening. Check the angle with a pro-
tractor.
4. Install glow plug.
CAUTION:
To avoid damage, glow plugs should be removed only when required.
Handle with care to avoid applying shock. When dropped from approx. 10 cm (3.94 in) or higher,
always replace with a new one.
Before installing, remove carbon depositing on mounting hole of glow plug with a reamer.
5. Install in the reverse order of removal.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.
Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-17, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
Before starting engine, bleed air from fuel piping. Refer to FL-18, "Air Bleeding" .
Run engine to check for unusual noise and vibration.
Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.
Bleed air from lines and hoses of applicable lines, such as in cooling system.
After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.
: 0 N·m (0 kg-m, 0 ft-lb)
:39.2 N·m (4.0 kg-m, 29 ft-lb)
JEM166G
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —

Page 269 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual CYLINDER HEAD
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Disassembly and AssemblyEBS00LRX
DISASSEMBLY
1. Remove adjusting shims and valve lifters.
Check the installation positions, and keep them t

Page 270 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EM-216
[YD22DDTi]
CYLINDER HEAD

NOTE:
Refer to the figure for intake and exhaust valve positions.
Intake and exhaust valve driving cams are provided alter-
nately for each camshaft.
5. Remove valve

Page 271 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual CYLINDER HEAD
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7. Install valve spring retainers.
8. Using the valve spring compressor, attachment and adapter
(special service tool), compress valve sprin

Page 272 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EM-218
[YD22DDTi]
CYLINDER HEAD

If it exceeds the limit, replace valve and/or valve guide.
Valve Guide Replacement
When removing valve guide, replace it with oversized [0.2 mm (0.0008 in)] valve gu

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