2003 NISSAN X-TRAIL Electronic Repair Manual

lock child lock brake pads replacement wheel size timing belt CD changer

Load previous 8 pages

Page 2145 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual CYLINDER HEAD
EM-175
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
3. Remove cylinder head assembly.
lLoosen and remove mounting bolts in the reverse order
showninthefigure.
lLift up the cylinder head assembly

Page 2146 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-176
[YD22DDTi]
CYLINDER HEAD
1. Install cylinder head gasket.
lCylinder head gasket to be installed is selected by its thick-
ness through the following procedure.
–When replacing gasket alone
�

Page 2147 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual CYLINDER HEAD
EM-177
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
*: Measured with head bolts tightened
2. Apply a continuous bead of Genuine Liquid Gasket or equivalent
on the surface shown in the figure.
A:

CYLINDER HEAD
EM-177
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
*: Measured with head bolts tightened
2. Apply a continuous bead of Genuine Liquid Gasket or equivalent
on the surface shown in the figure.
A: Apply bead so that it does not protrude into oil passage. Refer
toEM-103, "
Precautions for Liquid Gasket".
B: Miniimize the overlapping area of the bead, with start and end
areas of bead as shown in the figure.
Apply so that the portion marked * comes at an external loca-
tion but cannot be viewed externally after engine is assembled.
3. Install cylinder head assembly.
lTighten bolts in numerical order as shown in the figure
according to the following procedure:
a. Apply engine oil to bolt threads and seat surfaces.
b. Tighten bolts to 29 to 38 N·m (2.9 to 3.9 kg-m, 21 to 28 ft-lb).
c. Tighten 180°to 185°[target: 180°] (angular tightening).
d. Loosen completely to 0 N·m (0 kg-m, 0 in-lb) in the reverse order
of that shown in the figure.
e. Tighten bolts to 35 to 44 N·m (3.5 to 4.5 kg-m, 26 to 32 ft-lb).
f. Tighten 90°to 95°[target: 90°] (angular tightening)
g. Tighten another 90°to 95°[target: 90°] (angular tightening).
lWhen an angle wrench 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 protrac-
tor.
4. Install glow plug.
lTo avoid damage, glow plugs should be removed only
when required.
lHandle with care to avoid applying shock. When dropped
from approx. 100 mm (3.94 in) or higher, always replace
with a new one.
lBefore installing, remove carbon depositing on mounting hole of glow plug with a reamer.
5. Install engine coolant temperature sensor and thermal transmitter.
Less than 0.255 - 0.280 (0.0100 - 0.0110) 0.925 (0.0364) 2 No
Less than 0.280 - 0.305 (0.0110 - 0.0120) 0.950 (0.0374) 3 No
Less than 0.305 - 0.330 (0.0120 - 0.0130) 0.975 (0.0384) 1 Yes
Less than 0.330 - 0.355 (0.0130 - 0.0140) 1.000 (0.0394) 2 Yes
More than 0.355 (0.0140) 1.025 (0.0404) 3 Yes
JEM167G
JEM149G
JEM166G

Page 2148 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-178
[YD22DDTi]
CYLINDER HEAD
Disassembly and Assembly
EBS00BPN
CAUTION:
Apply new engine oil to parts marked in illustration before installation.
DISASSEMBLY
1. Remove adjusting shims and valve lif

Page 2149 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual CYLINDER HEAD
EM-179
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
5. Remove valve oil seals using valve oil seal puller.
6. Remove valve spring seats.
7. Before removing valve spring seats, perform valve seat

Page 2150 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-180
[YD22DDTi]
CYLINDER HEAD
Valve Dimension
Check dimensions of each valve. For dimensions, refer to SDS,EM-
211, "Va l v e".
Whenvalveheadhasbeenworndownto1mm(0.039in)inmargin
thickness, replace

Page 2151 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual CYLINDER HEAD
EM-181
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
EM
3. Remove cylinder head valve guide hole.
4. Heat cylinder head to 110 to 130°C (230 to 266°F) in oil bath.
5. Using valve guide drift, pres

Page 2152 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EM-182
[YD22DDTi]
CYLINDER HEAD
2. Machine cylinder head inner diameter at valve seat installation
position.
3. Heat cylinder head to approximately 110 to 130°C(230to
266°F) in oil bath.
4. After co

Load next 8 pages

Page: < prev 1-10 ... 2113-2120 2121-2128 2129-2136 2137-2144 2145-2152 2153-2160 2161-2168 2169-2176 2177-2184 ... 3072 next >

odometer brake rotor tow check oil ECU parking sensors