Nissan Primera P11. Manual — part 396
8.
Install new shim using a suitable tool.
I
Install with the surface on which the thickness is stamped
facing down.
9.
Place Tool (A) as explained in steps 2 and 3.
10. Remove Tool (B).
11. Remove Tool (A).
12. Recheck valve clearance.
Valve clearance:
Unit: mm (in)
For adjusting
For checking
Hot
Cold* (reference
data)
Hot
Intake
0.32 - 0.40
(0.013 - 0.016)
0.25 - 0.33
(0.010 - 0.013)
0.21 - 0.49
(0.008 - 0.019)
Exhaust
0.37 - 0.45
(0.015 - 0.018)
0.32 - 0.40
(0.013 - 0.016)
0.30 - 0.58
(0.012 - 0.023)
*: At a temperature of approximately 20°C (68°F)
Whenever valve clearances are adjusted to cold specifications, check that
the clearances satisfy hot specifications and adjust again if necessary.
Assembly
NCEM0020
1.
Install valve component parts.
I
Always use new valve oil seal. Refer to EM-29.
I
Before installing valve oil seal, install valve spring seat.
I
After installing valve components, tap valve stem tip with
a plastic hammer to assure a proper fit.
I
Install valve spring (narrow pitch at both ends of spring)
with either end toward cylinder head.
Installation
NCEM0021
1.
Before installing cylinder head gasket, apply a continuous
bead of liquid gasket to mating surface of cylinder block.
2.
Install cylinder head gasket.
I
When installing cylinder head with manifolds, use new
cylinder head gasket.
SEM146D
Tool (B)
Suitable tool
SEM147D
Tool (B)
Tool (A)
AEM293
Narrow pitch
Wide pitch
Narrow pitch
SEM899F
Liquid gasket
2.0 - 3.0 mm
(0.079 - 0.118 in) dia.
Engine
front
CYLINDER HEAD
QG
Valve Clearance (Cont’d)
EM-43
3.
Install cylinder head with manifolds.
I
Be sure to install washers between bolts and cylinder
head.
I
Do not rotate crankshaft and camshaft separately, or
valves will strike piston heads.
I
Apply new engine oil to cylinder head bolt threads and
seat surfaces.
I
Tightening procedure
p
a
Tighten bolts to 29 N
⋅
m (3 kg-m, 22 ft-lb).
p
b
Tighten bolts to 59 N
⋅
m (6 kg-m, 43 ft-lb).
p
c
Loosen bolts completely.
p
d
Tighten bolts to 29 N
⋅
m (3 kg-m, 22 ft-lb).
p
e
Turn bolts 50 to 55 degrees clockwise or if angle
wrench is not available, tighten bolts to 59±4.9 N
⋅
m (6±0.5
kg-m, 43±3.6 ft-lb).
p
f
Tightening bolts (11 - 14) to 6.3 to 8.3 N
⋅
m (0.64 to 0.85
kg-m, 55.8 to 73.5 in-lb).
Tightening torque N
⋅
m (kg-m, ft-lb)
a
b
c
d
e, f
Bolts
(1 - 10)
29
(3, 22)
59
(6, 43)
0
(0, 0)
29
(3, 22)
50 - 55
degrees or
59±4.9
(6±0.5,
43±3.6
ft-lb)
Bolts
(11 - 14)
—
—
—
—
6.3 - 8.3
(0.64 -
0.85, 55.8 -
73.5 in-lb)
4.
Install camshaft.
I
Make sure camshafts are aligned as shown in figure.
SEM877A
Cylinder head bolt washer
Cylinder head side
SEM900F
Engine front
Tighten in numerical order.
SEM614EC
T
ightening
torque
N·m
(kg-m,
ft-lb)
59 (6, 43)
29 (3, 22)
SEM901F
Intake
Exhaust
SEM902F
Intake
Exhaust
Knock pin
Knock pin
CYLINDER HEAD
QG
Installation (Cont’d)
EM-44
5.
Install camshaft brackets.
I
Make sure camshaft brackets are aligned as marked dur-
ing disassembly.
I
Apply new engine oil to bolt threads and seat surface.
I
Tighten camshaft bracket bolts in the following steps.
a Tighten bolts 9 - 12, then 1 - 8.
2.0 N
⋅
m (0.204 kg-m, 17.7 in-lb)
b Tighten bolts 1 - 12.
5.9 N
⋅
m (0.60 kg-m, 52.2 in-lb)
c Tighten bolts 1 - 12.
9.8 - 11.8 N
⋅
m (1.00 - 1.20 kg-m, 86.7 - 104.4 in-lb)
I
If any part of valve assembly or camshaft is replaced,
check valve clearance according to reference data.
After completing assembly check valve clearance. Refer
to “Checking” and “Adjusting” in “VALVE CLEARANCE”
(EM-40).
Reference data valve clearance (Cold):
Intake
0.25 - 0.33 mm (0.010 - 0.013 in)
Exhaust
0.32 - 0.40 mm (0.013 - 0.016 in)
6.
Install camshaft sprocket.
I
Set timing chain by aligning mating marks with those of
camshaft sprockets.
7.
Install camshaft sprocket bolts to correct torque.
I
Apply new engine oil to bolt threads and seat surface.
SEM903F
No.
Intake
mark
Front mark
Intake side
No.
Exhaust
mark
Front
mark
Exhaust side
Engine front
SEM904F
Engine front
Tighten in numerical order.
SEM905F
Mating
mark
Mating
mark
Camshaft sprocket
(EXH)
Camshaft sprocket
(INT)
SEM906F
CYLINDER HEAD
QG
Installation (Cont’d)
EM-45
8.
Install chain tensioner.
I
Before installing chain tensioner, insert a suitable pin into
pin hole of chain tensioner.
I
After installing chain tensioner, remove the pin.
9.
Install timing chain guide.
10. Install cylinder head front cover.
I
Apply liquid gasket to cylinder head front cover.
I
Use Genuine Liquid Gasket or equivalent.
11. Install camshaft position sensor (PHASE).
12. Before installing rocker cover, apply a continuous bead of li-
quid gasket to mating surface of cylinder head.
13. Install rocker cover and tighten bolts in numerical order as
shown in the figure.
14. Install spark plugs.
15. Install ignition coils.
16. Install intake manifold rear supports.
17. Install front exhaust tube.
18. Install front undercover.
19. Install air duct to intake manifold collector.
20. Install power steering pulley and pump with bracket.
To check power steering fluid, refer to MA section (“Checking
SEM907F
Chain guide
Stopper pin
Chain tensioner
SEM887F
Cylinder head front cover
2.0 -
3.0 mm
(0.079 -
0.118 in) dia.
SEM889F
Camshaft position
sensor (PHASE)
O-ring
SEM888F
Liquid gasket
3 mm (0.12 in) dia.
Cylinder head
Cylinder head front cover
SEM908F
Tighten in numerical order.
CYLINDER HEAD
QG
Installation (Cont’d)
EM-46
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