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![NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
EM-173
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Camshaft End Play
Install dial gauge in thrust direction on front end of camshaft.
Measure end play of dial gauge when camshaft is moved for-
wa NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
EM-173
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Camshaft End Play
Install dial gauge in thrust direction on front end of camshaft.
Measure end play of dial gauge when camshaft is moved for-
wa](/manual-img/5/57404/w960_57404-224.png)
CAMSHAFT
EM-173
[YD22DDTi]
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Camshaft End Play
Install dial gauge in thrust direction on front end of camshaft.
Measure end play of dial gauge when camshaft is moved for-
ward/backward (in direction to axis).
Measure the following parts if out of the standard.
–Dimension “A” for camshaft
–Dimension “B” for cylinder head
Refer to the standards above, and then replace camshaft and/or
cylinder head.
Camshaft Sprocket Runout
1. Install camshaft in cylinder head. Refer to EM-174, "INSTALLATION" for the tightening procedure.
2. Install sprocket on camshaft. Refer to EM-174, "
INSTALLA-
TION" .
3. Measure camshaft sprocket runout. (Total indicator reading)
If it exceeds the limit, replace camshaft sprocket.
Visual Inspection of Valve Lifter and Adjusting Shim
Check if surface of valve lifter and adjusting shim has any wear or
cracks.
If anything above is found, replace valve lifter or adjusting shim.Standard : 0.070 - 0.148 mm (0.0028 - 0.0058 in)
Limit : 0.24 mm (0.0094 in)
PBIC0366E
Standard : 6.882 - 6.930 mm (0.2709 - 0.2728 in)
Standard : 7.000 - 7.030 mm (0.2755 - 0.2767 in)
PBIC2320E
Limit : 0.15 mm (0.0059 in)
JEM164G
SEM160D
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![NISSAN X-TRAIL 2003 Service Repair Manual EM-174
[YD22DDTi]
CAMSHAFT
Valve Lifter Clearance
Valve Lifter Outer Diameter
Measure the outer diameter of the valve lifter with the microme-
ter.
Valve Lifter Bore Diameter
Measure the bore diam NISSAN X-TRAIL 2003 Service Repair Manual EM-174
[YD22DDTi]
CAMSHAFT
Valve Lifter Clearance
Valve Lifter Outer Diameter
Measure the outer diameter of the valve lifter with the microme-
ter.
Valve Lifter Bore Diameter
Measure the bore diam](/manual-img/5/57404/w960_57404-225.png)
EM-174
[YD22DDTi]
CAMSHAFT
Valve Lifter Clearance
Valve Lifter Outer Diameter
Measure the outer diameter of the valve lifter with the microme-
ter.
Valve Lifter Bore Diameter
Measure the bore diameter of the cylinder head valve lifter with
the inside micrometer.
Valve Lifter Clearance Calculations
(Clearance) = (Valve lifter bore diameter) – (Valve lifter outer diameter)
If out of standard, refer to the outer diameter and bore diameter standard values and replace valve lifter
and/or cylinder head.
INSTALLATION
1. Install valve lifter and adjusting shim.
Make sure that these are installed in the same position as before the removal process.
2. Install camshaft.
Identify camshafts by the paint position and screw hole at the
rear end.Standard : 29.960 - 29.975 mm (1.1795 - 1.1801 in)
SEM961E
Standard : 30.000 - 30.021 mm (1.1811 - 1.1819 in)
PBIC0367E
Standard : 0.025 - 0.061 mm (0.0010 - 0.0024 in)
Camshaft (right side) Intake manifold side:
Paint is at position A (Brown) without screw hole.
Camshaft (left side) Exhaust manifold side:
Paint is at position B (Pink) with screw hole.
PBIC2496E
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![NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
EM-175
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Install so that knock pins are positioned in the directions
shown in the figure.
3. Install camshaft brackets.
Completely remove any foreign ma NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
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Install so that knock pins are positioned in the directions
shown in the figure.
3. Install camshaft brackets.
Completely remove any foreign ma](/manual-img/5/57404/w960_57404-226.png)
CAMSHAFT
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Install so that knock pins are positioned in the directions
shown in the figure.
3. Install camshaft brackets.
Completely remove any foreign material on back surfaces of camshaft brackets and top surface of cyl-
inder head.
Install correctly, identifying brackets by the journal No. and
front mark on top surface.
4. Tighten bolts in the order shown in the figure according to the
following procedure:
a. Tighten all bolts.
Make sure camshaft thrusting parts (on rear side) securely fit
in their mating parts on the cylinder head.
b. Tighten all bolts.
c. Tighten all bolts.
5. Install camshaft sprockets.
Camshaft sprockets are commonly used for right side and left side.
Align camshaft sprocket and knock pin on camshaft, and install.
Holding the hexagonal part of camshaft with a wrench, tighten bolt securing camshaft sprocket.
6. Before installing spill tube after installing secondary timing chain, check and adjust valve clearance. Refer
to EM-175, "
Valve Clearance" .
7. Hereafter, install in the reverse order of removal.
Va l v e C l e a r a n c eEBS00LRS
INSPECTION
When the camshaft or parts in connection with valves are removed or replaced, and a malfunction has
occurred (poor starting, idling, or other malfunction) due to the misadjustment of the valve clearance,
inspect as follows.
Inspect and adjust when the engine is cool (at normal temperature).
PBIC2026E
JEM175G
: 2 N·m (0.2 kg-m, 1 ft-lb)
: 6 N·m (0.6 kg-m, 4 ft-lb)
: 12 - 13 N·m (1.2 - 1.4 kg-m, 9 - 10 ft-lb)
JEM160G
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![NISSAN X-TRAIL 2003 Service Repair Manual EM-176
[YD22DDTi]
CAMSHAFT
Be careful of the intake and exhaust valve arrangement. The
valve arrangement is different from that in a normal engine.
NOTE:
The camshafts have, alternately, either in NISSAN X-TRAIL 2003 Service Repair Manual EM-176
[YD22DDTi]
CAMSHAFT
Be careful of the intake and exhaust valve arrangement. The
valve arrangement is different from that in a normal engine.
NOTE:
The camshafts have, alternately, either in](/manual-img/5/57404/w960_57404-227.png)
EM-176
[YD22DDTi]
CAMSHAFT
Be careful of the intake and exhaust valve arrangement. The
valve arrangement is different from that in a normal engine.
NOTE:
The camshafts have, alternately, either intake valve or exhaust
valve. (Refer to figure.)
1. Remove charge air cooler. Refer to EM-135, "
Removal and Installation" .
2. Remove air duct. Refer to EM-133, "
Removal and Installation" .
3. Remove rocker cover. Refer to EM-168, "
Removal and Installation" .
4. Remove fuel injector. Refer to EM-157, "
Removal and Installation" .
5. Set the No. 1 piston to TDC on its compression stroke.
Turn crankshaft pulley clockwise so that the knock pin on
camshaft left side faces straight above. (No position indicator,
etc. is provided on the crankshaft pulley.)
6. Put an alignment mark with paint, etc. on crankshaft pulley and
on oil pump housing as an angle indicator.
7. While referring to the figure, measure the valve clearance
marked in the table below.
NOTE:
The injection order is 1-3-4-2.
SBIA0178E
PBIC2533E
JEM177G
Measuring pointNo. 1No. 2No. 3No. 4
INT EXH INT EXH INT EXH INT EXH
When the No. 1
cylinder is in the
TDCXXX X
SBIA0180E
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![NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
EM-177
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Measure the valve clearance using the feeler gauge when
engine is cool (at normal temperature).
8. Set the No. 4 cylinder at TDC by rotating the NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
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Measure the valve clearance using the feeler gauge when
engine is cool (at normal temperature).
8. Set the No. 4 cylinder at TDC by rotating the](/manual-img/5/57404/w960_57404-228.png)
CAMSHAFT
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Measure the valve clearance using the feeler gauge when
engine is cool (at normal temperature).
8. Set the No. 4 cylinder at TDC by rotating the crankshaft clockwise once. (360 degrees)
9. While referring to the figure, measure the valve clearance
marked in the table below.
10. If the valve clearance is outside the specification, adjust as fol-
lows.
ADJUSTMENTS
Remove adjusting shim for parts which are outside the specified valve clearance.
1. Extract engine oil on the upper side of the cylinder head (for the air blowing in step 6).
2. Rotate crankshaft to face the camshaft for adjusting shims that
are to be removed upward.
3. Grip camshaft with the camshaft pliers (special service tool),
then using camshaft as a support point, push adjusting shim
downward to compress valve spring.
CAUTION:
Do not damage camshaft, cylinder head and the outer cir-
cumference of valve lifter.Valve clearance (Cold):
Standard:
Intake : 0.24 - 0.32 mm (0.0094 - 0.0126 in)
Exhaust : 0.26 - 0.34 mm (0.0102 - 0.0134 in)
SBIA0181E
Measuring pointNo. 1No. 2No. 3No. 4
INT EXH INT EXH INT EXH INT EXH
When the No. 4
cylinder is in the
TDCXX XX
SBIA0182E
SBIA0183E
PBIC2321E
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![NISSAN X-TRAIL 2003 Service Repair Manual EM-178
[YD22DDTi]
CAMSHAFT
4. With valve spring in a compressed state, remove the camshaft
pliers (special service tool) by securely setting the outer circum-
ference of the valve lifter with the en NISSAN X-TRAIL 2003 Service Repair Manual EM-178
[YD22DDTi]
CAMSHAFT
4. With valve spring in a compressed state, remove the camshaft
pliers (special service tool) by securely setting the outer circum-
ference of the valve lifter with the en](/manual-img/5/57404/w960_57404-229.png)
EM-178
[YD22DDTi]
CAMSHAFT
4. With valve spring in a compressed state, remove the camshaft
pliers (special service tool) by securely setting the outer circum-
ference of the valve lifter with the end of the lifter stopper (spe-
cial service tool).
Hold the lifter stopper by hand until the shim is removed.
CAUTION:
Do not retrieve the camshaft pliers forcefully, as cam-
shaft will be damaged.
5. Move the round hole of adjusting shim to the front with the very
thin screwdriver or like that.
When adjusting shim on valve lifter will not rotate smoothly,
restart from step 3 to release the end of the lifter stopper (spe-
cial service tool) from touching adjusting shim.
6. Remove adjusting shim from valve lifter by blowing air through
the round hole of the adjusting shim with the air gun.
CAUTION:
To prevent any remaining engine oil from being blown
around, thoroughly wipe the area clean and wear protective
goggles.
7. Remove adjusting shim by using the magnet hand.
8. Measure the thickness of adjusting shim using the micrometer.
Measure near the center of the shim (the part that touches
camshaft).
9. Select the new adjusting shim from the following methods.
PBIC2322E
PBIC2323E
PBIC2324E
FEM032
Calculation method of the adjusting shim thickness:
R = Thickness of removed shim
N = Thickness of new shim
M = Measured valve clearance
Intake
N = R + [M - 0.28 mm (0.0010 in)]
Exhaust
N = R + [M - 0.30 mm (0.0118 in)]
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![NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
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New adjusting shims have the thickness stamped on the rear
side.
Shims are available in 33 size from 2.10 mm (0.0827 in) to
2.74 mm (0.1079 in) NISSAN X-TRAIL 2003 Service Repair Manual CAMSHAFT
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New adjusting shims have the thickness stamped on the rear
side.
Shims are available in 33 size from 2.10 mm (0.0827 in) to
2.74 mm (0.1079 in)](/manual-img/5/57404/w960_57404-230.png)
CAMSHAFT
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New adjusting shims have the thickness stamped on the rear
side.
Shims are available in 33 size from 2.10 mm (0.0827 in) to
2.74 mm (0.1079 in), in steps of 0.02 mm (0.0008 in).
10. Fit the selected adjusting shim to valve lifter.
CAUTION:
Place the stamped side of adjusting shim to valve lifter.
11. Compress valve spring using the camshaft pliers (special service tool: KV10115110) and remove the lifter
stopper (special service tool).
12. Rotate crankshaft 2 to 3 turns by hand.
13. Confirm that the valve clearance is within the specification.
Valve clearance:
*: Reference data approximately 80°C (176°F)
14. Install remaining parts in the reverse order of removal.
Stamped mark Shim thickness mm (in)
2.10
2.12
·
·
·
2.74 2.10 (0.0827)
2.12 (0.0835)
·
·
·
2.74 (0.1079)
JEM184G
PBIC2325E
Item Cold Hot* (Reference data)
Intake 0.24 -0.32 (0.0094 - 0.0126) 0.274 - 0.386 (0.0108 - 0.0152)
Exhaust 0.26 - 0.34 (0.0102 - 0.0134) 0.308 - 0.432 (0.0121 - 0.0170)
Page 232 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EM-180
[YD22DDTi]
SECONDARY TIMING CHAIN
SECONDARY TIMING CHAINPFP:13028
Removal and InstallationEBS00LRT
CAUTION:
After removing timing chain, do not turn crankshaft and camshaft separately, or va NISSAN X-TRAIL 2003 Service Repair Manual EM-180
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SECONDARY TIMING CHAIN
SECONDARY TIMING CHAINPFP:13028
Removal and InstallationEBS00LRT
CAUTION:
After removing timing chain, do not turn crankshaft and camshaft separately, or va](/manual-img/5/57404/w960_57404-231.png)
EM-180
[YD22DDTi]
SECONDARY TIMING CHAIN
SECONDARY TIMING CHAINPFP:13028
Removal and InstallationEBS00LRT
CAUTION:
After removing timing chain, do not turn crankshaft and camshaft separately, or valves will strike
piston heads.
When installing camshafts, chain tensioners, oil seals, or other sliding parts, lubricate contacting
surfaces with new engine oil.
REMOVAL
For preparative work for removing/installing secondary timing chain to remove/install fuel pump, refer to
EM-161, "
FUEL PUMP" .
To prepare for removing/installing secondary timing chain to remove/install camshaft, refer to EM-170,
"Removal and Installation" .
1. Remove engine coolant reservoir tank. Refer to CO-34, "
RADIATOR" .
2. Remove RH engine mounting insulator and bracket. Refer to EM-208, "
Removal and Installation" .
3. Pull power steering reservoir tank out of brackets to move power steering piping. Refer to PS-34,
"HYDRAULIC LINE" .
CAUTION:
To avoid removing power steering reservoir tank out of brackets, move it with power steering pip-
ing aside.
4. Remove front chain case.
1. Chain tensioner 2. Spring 3. Plunger
4. Slack guide 5. Front chain case 6. Rubber washer
7. Tension guide 8. Gasket 9. Secondary timing chain
PBIC2326E