Nissan Primera P12. Manual — part 437
EM-94
[YD]
CYLINDER BLOCK
CAUTION:
Apply new engine oil to parts marked in illustration before installation.
DISASSEMBLY
1.
Remove engine assembly from the vehicle, then separate engine and transaxle. Refer to
.
2.
Remove clutch cover and disk. Refer to
CL-15, "CLUTCH DISC, CLUTCH COVER AND FLYWHEEL"
.
3.
Install engine to engine stand as follows.
a.
Remove flywheel.
b.
Secure ring gear with ring gear stopper, then loosen mounting
bolts with TORX bit (size: Q6T55 E9, Commercial Service Tools)
and remove them. As an alternative method hold the crankshaft
pulley with a pulley holder (SST) to remove the flywheel.
CAUTION:
Do not disassemble flywheel.
c.
Install engine sub-attachment to the rear side of cylinder block.
●
Align knock pins on cylinder block with pin holes on attach-
ment to install.
NOTE:
Installation bolts are part of engine sub-attachment.
d.
Install engine attachment.
NOTE:
Use commercially available M12 (0.47 in) mounting bolts and
nuts (4 sets) with strength grade of 9T (minimum).
1.
Rear oil seal retainer
2.
Oil pressure switch
3.
Coppet washer
4.
Oil jet relief valve
5.
Cylinder block
6.
Top ring
7.
Second ring
8.
Oil ring
9.
Oil jet
10.
Piston pin
11.
Snap ring
12.
Piston
13.
Main bearing
14.
Thrust bearing
15.
Connecting rod
16.
Key
17.
Connecting rod bearing
18.
Connecting rod cap
19.
Connecting rod nut
20.
Main bearing
21.
Crankshaft
22.
Main bearing cap
23.
Pilot bush
24.
Flywheel
25.
Drain plug
26.
Rear oil seal
SBIA0199E
JEM192G
CYLINDER BLOCK
EM-95
[YD]
C
D
E
F
G
H
I
J
K
L
M
A
EM
e.
Hoist engine and install it to the engine stand.
NOTE:
It is possible to set engine sub-attachment and engine attach-
ment to engine stand at first, then install engine later.
●
Commercial engine stand can be used.
NOTE:
The figure shows an example of general-purpose engine stand
that can hold mating surface of transmission with drive plate and
rear plate removed.
4.
Drain engine oil and coolant from inside engine.
5.
Remove the following parts and related parts. (Only major parts are listed.)
●
Intake manifold (Refer to
EM-19, "Removal and Installation"
.)
●
Exhaust manifold and turbocharger (Refer to
EM-23, "Removal and Installation"
.)
●
Rocker cover (Refer to
EM-52, "Removal and Installation"
).
●
Injection tube and fuel injector (Refer to
EM-39, "Removal and Installation"
.)
●
Oil pan and oil strainer (Refer to
EM-29, "Removal and Installation"
.)
●
Water pump (Refer to
CO-17, "Removal and Installation"
.)
●
Thermostat and water piping (Refer to
CO-19, "Removal and Installation"
.)
●
Vacuum pump (Refer to
EM-35, "Removal and Installation"
.)
●
Secondary timing chain (Refer to
EM-63, "Removal and Installation"
)
●
Primary timing chain (Refer to
EM-68, "Removal and Installation"
.)
●
Fuel pump (Refer to
EM-42, "Removal and Installation"
.)
●
Camshaft (Refer to
EM-54, "Removal and Installation"
.)
●
Cylinder head (Refer to
EM-79, "Removal and Installation"
.)
●
Oil cooler (Refer to
LU-12, "Removal and Installation"
.)
●
Accessory, accessory bracket and mount brackets
6.
Remove fuel pump bracket.
JEM193G
PBIC0085E
EM-96
[YD]
CYLINDER BLOCK
7.
If they need to be replaced, replace pilot bushing.
●
Using pilot bushing puller, remove the bushing from rear edge
of crankshaft.
8.
Remove rear oil seal retainer.
●
Insert a flat-bladed screwdriver between main bearing cap and rear oil seal retainer to remove retainer.
9.
Remove rear oil seal from rear oil seal retainer.
●
Punch out with a flat-bladed screwdriver.
●
Be careful not to damage rear oil seal retainer.
10. Remove piston and connecting rod assembly.
●
Before removing piston and connecting rod assembly, check
connecting rod side clearance.
Refer to
EM-106, "CONNECTING ROD SIDE CLEARANCE"
.
a.
Move crankshaft pin to be removed to approximately BDC.
b.
Remove connecting rod caps.
c.
Using the grip of a hammer, press the piston and connecting rod
assembly out to cylinder head side.
CAUTION:
When removing the piston and connecting rod assembly,
prevent the big end of the connecting rod from interfering
with the oil jet.
11. Remove connecting rod bearings from connecting rods and
caps.
●
Keep them by cylinder to avoid confusion.
12. Remove piston rings from pistons using piston ring expander.
CAUTION:
●
When removing, prevent pistons from being damaged.
●
Do not expand piston rings excessively. This may dam-
age the piston rings.
SEM500G
JEM195G
FEM086
JEM196G
CYLINDER BLOCK
EM-97
[YD]
C
D
E
F
G
H
I
J
K
L
M
A
EM
13. Remove pistons from connecting rods.
a.
Using long nose pliers, remove snap rings.
b.
Using industrial dryer, heat pistons up to 60 to 80
°
C (140 to
176
°
F).
c.
Using rod with outer diameter of 26 mm (1.02 in), press piston
pins out.
14. Remove main bearing cap bolts.
●
With a TORX socket (size: E-14,Commercial Service Tool),
loosen main bearing cap bolts in several stages in the reverse
order of that shown in the figure and remove them.
●
Before loosening main bearing cap bolts, measure crankshaft
side clearance. Refer to
.
15. Remove main bearing caps.
●
Using main bearing cap bolts, remove by rocking bearing cap
back and forth.
16. Remove crankshaft.
17. Remove main bearings and thrust bearings from cylinder block
and main bearing caps.
●
Check the correct installation locations of removed parts.
Store them so they do not get mixed up.
18. Remove oil jet.
19. Remove oil jet relief valve.
JEM197G
PBIC0089E
EMM0072D
JEM200G
JEM201G
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст