Nissan Terrano model r20 series 2004. Instruction — part 52
Installation
1. Install cylinder head gasket.
I
Identification of cylinder head gaskets
Identification cut hole
(on cylinder head gasket)
Inner diameter “d”
mm (in)
—
97 + 0.3
(3.82 + 0.012)
a. When replacing only cylinder head gasket, install same
grade gasket as the one formerly used.
b. When replacing or repairing cylinder block, cylinder head,
piston, connecting rod and crankshaft, select gasket as
follows:
(1) Measure piston projection.
I
Set each piston at its Top Dead Center. With piston held in that
position, measure its projections at two points.
I
Calculate the average value of the two measurements.
I
Determine the amount of projection of the other three pistons.
(2) Select suitable cylinder head gasket which conforms to the
largest amount of projection of the four pistons.
Unit: mm (in)
Average value piston
projections
Gasket thickness
Gasket grade
number
Part
no.
Less than 0.368 (0.0145)
1.20±0.05
(0.047±0.002)
2
11044
0W800
0.368 - 0.418 (0.0145 - 0.0165)
1.25±0.05
(0.049±0.002)
3
11044
0W801
More than 0.418 (0.0165)
1.30±0.05
(0.051±0.002)
4
11044
0W802
Make sure that No. 1 piston is at TDC on its compression
stroke.
NEM162
EEM104
CYLINDER HEAD
TD27Ti
EM-114
2. Install cylinder head.
I
Cylinder head identification mark
3. Apply oil to threaded portion and seat surface of bolts and
tighten cylinder head bolts using Tool.
CAUTION:
I
Tightening procedure
1st:
Tighten bolts to 39 - 44 N
⋅
m
(4.0 - 4.5 kg-m, 29 - 33 ft-lb)
2nd: Tighten bolts to 54 - 59 N
⋅
m
(5.5 - 6.0 kg-m, 40 - 43 ft-lb)
3rd:
(1) Mark exhaust side of cylinder head and cylin-
der head bolts with paint as shown.
(2) Turn all bolts 90 ± 10 degrees clockwise.
(3) Check that paint mark of each bolt is facing
the front of the vehicle.
4. Apply engine oil and install push rods.
5. Install rocker shaft assembly.
Adjust intake and exhaust valve clearance carefully.
Refer to MA section in order to accomplish valve adjustment.
NEM179
SEM641B
SEM580C
SEM642B
CYLINDER HEAD
TD27Ti
Installation (Cont’d)
EM-115
6. Install rocker cover.
I
Be sure to tighten bolts in the order shown in the illustration.
I
When replacing rocker cover gasket, bend slit of rocker cover
baffle plate a little to hold the gasket. Do not twist gasket.
7. Install glow plugs and glow plate.
8. Install new top nozzle gasket and injection nozzle.
9. Install thermostat housing bolts shown at left.
10. Install spill tube and injection tube.
Spill tube nut:
: 39 - 49 N
⋅
m (4.0 - 5.0 kg-m, 29 - 36 ft-lb)
Injection tubes:
: 20 - 25 N
⋅
m (2.0 - 2.5 kg-m, 14 - 18 ft-lb)
11. Connect thermostat housing water inlet hose and radiator hose.
12. Install all removed parts in reverse order of removal.
13. After assembling all disassembled parts, fill radiator and engine
with new coolant up to filler opening.
Refer to MA section.
NEM163
SEM618B
EEM103
SEM621B
CYLINDER HEAD
TD27Ti
Installation (Cont’d)
EM-116
VALVE STEM OIL SEAL
1. Remove rocker cover.
2. Remove rocker shaft assembly.
3. Remove valve spring.
Piston concerned should be set at TDC to prevent valve from
falling.
4. Remove valve oil seals.
5. Apply engine oil to valve oil seal and install it in place.
SEM645B
SEM626B
SEM646B
SEM223B
OIL SEAL REPLACEMENT
TD27Ti
EM-117
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