Nissan Silvia. Instruction — part 235
SEM998E
I
Tightening procedure:
a)
Tighten all bolts to 39.2 N·m (4.0 kg-m, 29 ft-lb).
b)
Tighten all bolts to 78.5 N·m (8.0 kg-m, 58 ft-lb).
c)
Loosen all bolts completely.
d)
Tighten all bolts to 34.3 - 44.1 N·m (3.5 - 4.5 kg-m, 26 - 32
ft-lb).
SEM575EA
SEM576EA
e)
Method A:
Turn all bolts 90 to 95 degrees clockwise with Tool or
suitable angle wrench.
Method B:
If angle wrench is not available, do the following. Mark the
side of all bolts with paint marks facing the front of the
engine. Then turn them 90 to 95 degrees clockwise.
f)
Turn all bolts 90 to 95 degrees clockwise.
g)
Ensure that paint mark on each bolt faces the rear of the
engine. (Method B only)
Do not turn any bolt 180 to 190 degrees clockwise all at
once.
SEM074DB
Tightening torque N·m (kg-m, ft-lb)
a
39.2 (4.0, 29)
b
78.5 (8.0, 58)
c
0 (0, 0)
d
34.3 - 44.1 (3.5 - 4.5, 26 - 32)
e
90 - 95 degrees (90 degree preferred)
f
90 - 95 degrees (90 degree preferred)
SEM995E
4.
Install cylinder head outside bolts and inner sub-bolts.
5.
Install exhaust manifold with turbocharger. Refer to “Installa-
tion” in “TURBOCHARGER”, EM-62.
GI
MA
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
CYLINDER HEAD
Installation (Cont’d)
EM-53
SEM999E
6.
Install camshafts, camshaft brackets, oil tubes and baffle plate.
I
Position camshaft.
a. LH camshaft key at about 12 o’clock
b. RH camshaft key at about 10 o’clock
SEM001F
I
Position camshaft bracket.
SEM002F
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Be sure that bolt length under seating surface is as shown
below for each camshaft.
Bolts 2, 4, 6, 8 and 10:
38 mm (1.50 in)
Bolts 1, 3, 5 and 9:
55 mm (2.17 in)
Bolt 7:
65 mm (2.56 in)
I
Camshaft bracket bolts tightening procedure
STEP 1:
Tighten bolts 9 - 10 in that order then tighten bolts 1
- 8 in that order.
: 2 N·m (0.2 kg-m, 1.4 ft-lb)
STEP 2:
Tighten bolts in the specified order.
: 6 N·m (0.6 kg-m, 4.3 ft-lb)
STEP 3:
Tighten bolts in the specified order.
: 9.0 - 11.8 N·m (0.92 - 1.2 kg-m, 6.7 - 8.7 ft-lb)
SEM988E
7.
Install camshaft sprockets.
Line up mating marks on timing chain with mating marks
on camshaft sprockets.
CYLINDER HEAD
Installation (Cont’d)
EM-54
SEM004F
I
Lock camshafts as shown in figure and tighten to specified
torque.
: 127 - 137 N·m (13 - 14 kg-m, 94 - 101 ft-lb)
SEM991E
8.
Install timing chain guide.
SEM005F
9.
Install camshaft position sensor.
a.
Make sure that No. 1 piston is at TDC on its compression
stroke.
b.
Set mating marks on rotor shaft of camshaft position sensor as
shown.
SEM006F
c.
Install camshaft position sensor aligning the center of fixing
bolt hole.
I
After installing, confirm that mating marks on rotor shaft
of camshaft position sensor are as shown.
d.
Tighten fixing bolts.
SEM990C
10. Install chain tensioner.
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Make sure the camshaft sprockets are tightened com-
pletely.
Press cam stopper down and “press-in” sleeve until hook
can be engaged on pin. When tensioner is bolted in posi-
tion the hook will release automatically.
I
If hook does not release automatically, turn cankshaft
counterclockwise until it does release.
I
Apply new engine oil to O-ring.
GI
MA
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
CYLINDER HEAD
Installation (Cont’d)
EM-55
SEM991C
I
Make sure arrow “A” points toward engine front.
SEM007F
11. Install cylinder head front cover.
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Before installing, remove all traces of liquid gasket from mat-
ing surface of cylinder head and the cover using a scraper.
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Apply a continuous bead of liquid gasket to mating surface of
cylinder head front cover.
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Use Genuine Liquid Gasket or equivalent.
SEM987E
12. Install intake manifold supports.
SEM008F
13. Remove all old liquid gasket from mating surfaces of rocker
cover and cylinder head.
14. Apply a continuous bead of liquid gasket to mating surface of
rocker cover gasket and cylinder head.
I
Use Genuine Liquid Gasket or equivalent.
SEM009F
15. Install rocker cover.
1)
Tighten bolts 1 - 10 - 11 - 13 - 8 in that order to 8 to 10 N·m
(0.8 to 1.0 kg-m, 69 to 89 in-lb).
2)
Tighten bolts 1 through 13 in numerical order to 8 to 10
N·m (0.8 to 1.0 kg-m, 70 to 89 in-lb).
16. Refit spark plugs and leads.
17. Install vacuum hoses, fuel hoses, wires, harness, connectors
and so on.
18. Install power steering oil pump.
19. Install water pump pulley and drive belts.
20. Install intake manifold collector and brackets.
CYLINDER HEAD
Installation (Cont’d)
EM-56
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