NISSAN X-TRAIL 2001 Service Repair Manual

SECONDARY TIMING CHAIN
EM-171
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
5. Install front chain case.
a. Install tension guide on the back surface of front chain case.
●Hold front chain case vertically when installing. Tension guide
may come off if front chain case is tilted.
b. Apply Genuine Liquid Gasket or equivalent (Refer to EM-111,
"Precautions For Liquid Gasket" .) on both ends of arched area
(locations where rear chain case is adjoined) as shown in the
figure.
c. Install front chain case.
●When installing, align dowel pin on oil pump case with the pin
hole.
●Install No. 6, 10 and 11 bolts with the rubber washer to the
front chain case.
d. Tighten fixing bolts in the numerical order shown in the figure.
e. After tightening all the bolts, re-tighten in the same order.
6. Hereafter, install in the reverse order of removal.
SBIA0189E
JEF370Y
JEM121G

EM-172
[YD22DDTi]
PRIMARY TIMING CHAIN
PRIMARY TIMING CHAIN
PFP:13028
Removal and InstallationEBS00LRU
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.
●Apply new engine oil to parts marked in illustration before installation.

PRIMARY TIMING CHAIN
EM-173
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
PBIC1230E
1. Fuel supply pump 2. Chain tensioner 3. Slack guide
4. Camshaft sprocket 5. Fuel supply pump sprocket 6. Tension guide

EM-174
[YD22DDTi]
PRIMARY TIMING CHAIN
REMOVAL
1. Remove engine coolant reservoir tank.
2. Remove charge air cooler and bracket. Refer to EM-122, "
Removal and Installation" .
3. Remove air cleaner and air duct. Refer to EM-120, "
Removal and Installation" .
4. Remove rocker cover. Refer to EM-156, "
Removal and Installation" .
5. Remove RH engine mount insulator and bracket. Refer to EM-193, "
Removal and Installation" .
6. Pull power steering reservoir tank out of brackets to move power steering piping.
CAUTION:
To avoid removing power steering reservoir tank out of brackets move it with power steering pip-
ing aside.
7. Remove oil pan. Refer to EM-133, "
Removal and Installation" .
8. Remove oil filter bracket. Refer to LU-22, "
OIL FILTER BRACKET" .
9. Remove injection tube and fuel injector. Refer to EM-144, "
Removal and Installation" .
10. Remove secondary timing chain and associated parts. Refer to EM-167, "
Removal and Installation" .
11. When removing rear chain case, remove camshaft sprockets. Refer to EM-158, "
Removal and Installa-
tion" .
12. Remove crankshaft pulley.
a. Hold crankshaft pulley with the pulley holder (SST).
b. Loosen crankshaft pulley fixing bolt and pull out the bolt approx-
imately 10 mm (0.39 in).
c. Using pulley puller (SST), remove crankshaft pulley.
●Use two M6 bolts with approx. 60 mm (2.36 in) shank length
for securing crankshaft pulley.
13. Remove oil pump housing.
●Loosen bolts in the reverse order of that shown in the figure
and remove them.
●Use seal cutter (SST) etc. for removal.
14. Remove front oil seal from oil pump housing.
●Punch out the seal off from the back surface of the oil pump
using a flat-bladed screwdriver.
●Be careful not to damage the oil pump housing.
7. Chain guide 8. Spacer 9. Front chain case
10. Crankshaft pulley 11. Front oil seal 12. Oil pump housing
13. Primary timing chain 14. Oil pump drive spacer 15. Crankshaft sprocket
16. Secondary timing chain 17. Rear chain case 18. Power steering pump
JEM131G
JEM132G
JEM133G

PRIMARY TIMING CHAIN
EM-175
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
15. Remove chain tensioner.
●When removing chain tensioner, push the sleeve of chain ten-
sioner and keep it pressed with a push pin, etc.
16. Remove timing chain slack guide.
17. Hold fuel supply pump sprocket and remove bolt.
a. Insert positioning stopper pin (SST) into the hole 6 mm (0.24 in)
in the diameter on the fuel supply pump sprocket.
b. Using a TORX wrench (SST), turn pump shaft little by little to
adjust the position of fuel supply pump sprocket so that the
holes align.
c. Push positioning stopper pin (SST) through fuel supply pump
sprocket to fuel supply pump body to hold fuel supply pump
sprocket.
●Insert the positioning stopper pin until its flange contacts the fuel
supply pump sprocket.
●Remove the TORX wrench (SST).
18. Using a hexagon-head wrench [face to face 6 mm (0.24 in) SST]
remove bolts to fuel supply pump sprocket.
JEM134G
SBIA0208E
SBIA0215E
PBIC0945E
SBIA0216E

EM-176
[YD22DDTi]
PRIMARY TIMING CHAIN
19. Remove primary timing chain with fuel supply pump sprocket
and crankshaft sprocket.
20. Remove chain guide and tension guides.
21. Remove fuel supply pump.
22. Remove power steering pump.
23. Remove camshaft sprockets.
●Loosen the camshaft sprockets installation bolts by fixing the
hexagonal portion of the camshaft.
24. Remove rear chain case.
●Loosen fixing bolts in the reverse order of that shown in the
figure and remove them.
●Use seal cutter (SST) for removal.
JEM136G
SBIA0210E
JEM159G
SBIA0211E

PRIMARY TIMING CHAIN
EM-177
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
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. Apply a continuous bead of Genuine Liquid Gasket or equivalent
on locations shown in the figure. Refer to E M - 111 , "
Precautions
For Liquid Gasket" .
A: Apply bead so that it does not protrude into the oil passage.
B, C: Minimize overlapping area of bead, by starting and ending
at areas of bead as shown in the figure. Apply so that the portion
marked * comes at an external location but cannot be viewed
externally after engine assembly.
D: Leave the start and end areas of the bead slightly protruding
from the case surface.
SEM984C
JEM139G
PBIC1255E

EM-178
[YD22DDTi]
PRIMARY TIMING CHAIN
b. Install four O-rings to the grooves of the cylinder block and fuel
supply pump bracket.
c. Install rear chain case.
●When installing, align the dowel pin with the pin hole.
d. Tighten bolts in the numerical order shown in the figure.
●Install the following four types of bolts, referring to the figure.
●The shank length under the bolt neck above is the length of
threaded part (pilot portion not included).
e. After tightening all the bolts, re-tighten in the same order.
2. Install power steering pump.
3. Install fuel supply pump.
●Before installing, make sure the notch on the fuel supply
pump flange and the hole 6 mm (0.24 in) in diameter on the
pump body are aligned.
4. Install chain guide and tension guides.
5. Install crankshaft sprocket, aligning it with the crankshaft key on
the far side.
6. Install primary timing chain with fuel supply pump sprocket.
●When installing, match the alignment marks on sprockets with
color coded alignment marks (colored links) on the chain.
●Install fuel supply pump sprocket washer with the surface
marked “F” (front mark) facing the front of the engine.
7. Install timing chain onto power steering pump sprocket and
through chain guide.
JEM141G
16 mm (0.63 in) : Bolt No. 1, 2, 16, 17, 18, 19, 20, 21, 22
20 mm (0.79 in) : Bolt No. 3, 4, 6, 9, 10, 11, 13, 14
25 mm (0.98 in) : Bolt No. 12, 15
35 mm (1.38 in) : Bolt No. 5, 7, 8
SBIA0211E
SBIA0210E
JEM136G

PRIMARY TIMING CHAIN
EM-179
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
8. Use the positioning stopper pin (SST) to hold the fuel supply
pump sprocket and install the bolt.
●Using a TORX wrench (SST), turn the pump shaft little by little
to adjust the position of the pump flange. Insert positioning
stopper pin (SST) into the hole 6 mm (0.24 in) in diameter on
the fuel supply pump sprocket so that the stopper pin goes
through the pump flange to the pump body. While the stopper
pin is in place, install the bolt.
9. Install timing chain slack guide.
10. Install chain tensioner.
●Push the plunger of the chain tensioner. While keeping
plunger pressed down with a push pin, etc., install the chain
tensioner.
●After installation, pull out the push pin holding the plunger.
●Check again that the alignment marks on the sprockets
and the colored alignment marks on timing chain are
aligned.
11. Install front oil seal to oil pump housing.
●Using a suitable drift [62 mm (2.44 in) dia.], force fit the seal
until it hits the bottom.
●Do not touch lips of oil seal. Make sure seal surfaces are
free of foreign materials.
12. Install chain case cover (for opening for power steering pump
removal/installation) to oil pump.
●Apply a continuous bead of Genuine Liquid Gasket or equiva-
lent as shown in the figure. Refer to EM-111, "
Precautions For
Liquid Gasket" .
●Apply liquid gasket on oil pump-side surface.
SBIA0208E
PBIC0945E
JEM134G
JEM142G
JEM143G

EM-180
[YD22DDTi]
PRIMARY TIMING CHAIN
13. Install oil pump housing.
a. Apply a continuous bead of Genuine Liquid Gasket or equivalent
on locations shown in the figure. Refer to EM-111, "
Precautions
For Liquid Gasket" .
A: Leave the start and end areas of the bead slightly protruding
from the surface.
B: Apply liquid gasket along upper end surface of oil pump hous-
ing.
b. Install oil pump drive spacer to crankshaft.
●Install with the front mark (punched mark) facing the front of
the engine.
c. Install O-ring into the groove of rear chain case.
d. Install oil pump housing.
●When installing, align the inner rotor in the direction of the two
facing flats of the oil pump drive spacer.
●When installing, align the dowel pin with the pin hole.
e. Tighten fixing bolts in the numerical order shown in the figure.
f. After tightening all the bolts, re-tighten in the same order.
14. Check gaps on upper oil pan mounting surface.
●Using straightedge and feeler gauge, measure gaps between
the locations of the following parts:
●If the measured value is out of the above range, install again.
15. Install crankshaft pulley.
a. Install crankshaft pulley to crankshaft.
b. Hold crankshaft pulley with the pulley holder (SST).
c. Tighten bolt to 20 to 29 N·m (2.0 to 3.0 kg-m, 15 to 21 ft-lb).
d. Put an alignment mark on crankshaft pulley that aligns with one
of the punched marks on the bolt.
e. Tighten fixing bolt another 60° - 66° [target: 60° (turn by one
notch)].
16. Install secondary timing chain and the associated parts.
JEM144G
JEM145G
JEM133G
Oil pump housing and rear chain case:
Standard : – 0.14 to 0.14 mm (– 0.0055 to 0.0055 in)
Rear chain case and cylinder block:
Standard : – 0.25 to 0.13 mm (– 0.0098 to 0.0051 in)
JEM146G
JEM147G