Nissan Primera P12. Instruction — part 431
EM-70
[YD]
PRIMARY TIMING CHAIN
REMOVAL
1.
Remove coolant reservior tank.
2.
Remove air cleaner and air duct. Refer to
EM-15, "Removal and Installation"
.
3.
Remove rocker cover. Refer to
EM-52, "Removal and Installation"
.
4.
Remove RH engine mount insulator and bracket. Refer to
EM-89, "Removal and Installation"
.
5.
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.
6.
Remove oil pan. Refer to
EM-29, "Removal and Installation"
.
7.
Remove oil filter bracket. Refer to
LU-9, "Removal and Installation"
.
8.
Remove injection tube and fuel injector. Refer to
EM-39, "Removal and Installation"
.
9.
Remove secondary timing chain and associated parts. Refer to
EM-63, "Removal and Installation"
.
10. When removing rear chain case, remove camshaft sprockets. Refer to
EM-54, "Removal and Installation"
.
11. 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.
12. 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.
13. 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 pully
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-71
[YD]
C
D
E
F
G
H
I
J
K
L
M
A
EM
14. Remove chain tensioner.
●
When removing chain tensioner, push the sleeve of chain
tensioner and keep it pressed with a push pin, etc.
15. Remove timing chain slack guide.
16. Hold fuel 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 pump sprocket.
b.
Using a TORX wrench (SST), turn pump shaft little by little to
adjust the position of fuel pump sprocket so that the holes align.
c.
Push positioning stopper pin (SST) through fuel pump sprocket
to fuel pump body to hold pump sprocket, and remove bolt.
17. Remove primary timing chain with fuel pump sprocket and
crankshaft sprocket.
18. Remove chain guide and tension guides.
19. Remove fuel pump.
20. Remove power steering pump.
JEM134G
MBIA0049E
PBIC0945E
MBIA0079E
MBIA0080E
EM-72
[YD]
PRIMARY TIMING CHAIN
21. Remove camshaft sprockets.
●
Loosen the camshaft sprockets installation bolts by fixing the
hexagonal portion of the camshaft.
22. 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.
INSPECTION AFTER REMOVAL
Timing Chain
Check for cracks and excessive wear at roller links. Replace
chain if necessary.
JEM159G
SBIA0211E
SEM984C
PRIMARY TIMING CHAIN
EM-73
[YD]
C
D
E
F
G
H
I
J
K
L
M
A
EM
INSTALLATION
1.
Install rear chain case.
a.
Apply a continuous bead of Genuine Liquid Gasket or eqivalent
on locations shown in the figure. Refer to
.
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.
b.
Install four O-rings to the grooves of the cylinder block and fuel
pump bracket.
MBIA0031E
SBIA0212E
JEM141G
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст