Nissan Titan A60. Manual — part 476
ENGINE UNIT
EM-89
< UNIT DISASSEMBLY AND ASSEMBLY >
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
Disassembly and Assembly
INFOID:0000000006179419
DISASSEMBLY
NOTE:
Explained here is how to disassemble with engine stand supporting transmission surface. When using differ-
ent type of engine stand, some steps may be different.
1. Remove engine assembly and mount to engine stand. Refer to
EM-84, "Removal and Installation"
.
CAUTION:
Before removing the hanging chains, make sure engine stand is stable and there is no risk of over-
turning.
2. Drain engine coolant by removing the cylinder block drain plugs
“A”, “B”, “C” and “D” as shown.
3. Remove the following components and associated parts.
• Oil pan (upper and lower) and oil strainer. Refer to
EM-33, "Removal and Installation"
• Crankshaft pulley, front cover and timing chain. Refer to
EM-48, "Removal and Installation"
• Camshaft. Refer to
EM-58, "Removal and Installation"
.
EM-74, "Removal and Installation"
.
4. Remove knock sensor and sub harness.
CAUTION:
Carefully handle sensor, avoiding shocks.
5. Check connecting rod side clearance. Refer to
EM-96, "Inspection After Disassembly"
6. Remove piston and connecting rod assembly as follows.
a. Position the crankshaft pin corresponding to the connecting rod to be removed onto bottom dead center.
b. Remove connecting rod cap.
16. Thrust bearing lower
17.
Main bearing lower
18.
Crankshaft
19. Pilot converter
20.
Thrust bearing upper
21.
Side bolt
22. Drive plate
23.
Reinforcement plate
24.
Rear oil seal retainer
25. Rear oil seal
26.
Transmission
27.
O-ring
28. Crankshaft position sensor (POS)
29.
Gasket
30.
Cylinder block heater
31. Connector cap
WBIA0419E
KBIA2549E
EM-90
< UNIT DISASSEMBLY AND ASSEMBLY >
ENGINE UNIT
c.
Push the piston and connecting rod assembly out to the cylinder
head side using suitable tool.
7. Remove connecting rod bearings.
CAUTION:
When removing them, note the installation position. Keep them in the correct order.
8. Check piston ring side clearance. Refer to
EM-96, "Inspection After Disassembly"
.
9. Remove piston rings from piston using suitable tool.
CAUTION:
• Do not damage piston.
• Do not damage piston rings by expanding them exces-
sively.
10. Remove piston from connecting rod as follows.
a. Remove snap ring using suitable tool.
b. Heat piston to 60
° to 70°C (140° to 158°F) using suitable tool.
PBIC0086E
PBIC0087E
PBIC0260E
PBIC0261E
ENGINE UNIT
EM-91
< UNIT DISASSEMBLY AND ASSEMBLY >
C
D
E
F
G
H
I
J
K
L
M
A
EM
N
P
O
c. Push out piston pin using suitable tool.
11. Separate and remove rear oil seal retainer from cylinder block.
CAUTION:
Do not damage mating surface.
12. Remove rear oil seal from rear oil seal retainer.
13. Measure the crankshaft side clearance. Refer to
EM-96, "Inspection After Disassembly"
14. Remove main bearing caps as follows:
• Loosen bolts in several different steps.
a. Loosen side bolts (M10) starting from 30 to 21 to remove.
b. Loosen main bearing cap sub bolts (M9) starting from 20 to 11 to
remove.
c. Loosen main bearing cap bolts (M12) starting from 10 to 1 to
remove.
d. Remove main bearing cap.
• Insert bolts (2) into bolt holes, and then remove main bearing
cap by lifting up and shaking forward and backward.
15. Remove crankshaft.
16. Remove the main bearings and thrust bearings from the cylinder block and main bearing caps.
• When removing them, note the installation position. Keep them in the correct order.
17. Remove pilot converter using Tool if necessary.
PBIC0262E
PBIC0090E
KBIA2492E
Tool number
: ST16610001 (J-23907)
WBIA0596E
EM-92
< UNIT DISASSEMBLY AND ASSEMBLY >
ENGINE UNIT
ASSEMBLY
1. Fully air-blow the coolant and oil passages in the cylinder block, cylinder bore, and crankcase to remove
any foreign material.
WARNING:
Use goggles to protect your eyes.
2. Install each plug to the cylinder block (only screw-type plugs are
shown).
• Apply liquid gasket.
Use Genuine Thread Sealant or equivalent. Refer to
"Recommended Chemical Products and Sealants"
.
• Replace copper washers with new ones.
• Tighten each plug as specified below.
3. Install main bearings and thrust bearings.
a. Remove any dust, dirt, and oil on the bearing mating surfaces of
the cylinder block and main bearing caps.
b. Install thrust bearings to both sides of the No. 3 journal housing
on the cylinder block and main bearing caps
• Install thrust bearings with the oil groove facing the crankshaft
arm (outside).
• Install thrust bearings with a protrusion in the center on the
main bearing caps.
c.
Install main bearings paying attention to the direction.
• Install the one with oil holes onto the cylinder block and the
one without oil holes onto the main bearing cap.
• Before installing bearings, apply engine oil to bearing surface
(inside). Do not apply oil to the back surface, but thoroughly
clean it.
• When installing, align the bearing stopper to the notch.
• Ensure the oil holes on the cylinder block and those on the
corresponding bearing are aligned.
4. Install pilot converter to the crankshaft using suitable tool.
5. Install crankshaft to the cylinder block.
• While turning crankshaft by hand, make sure it turns smoothly.
Part
Washer
Tightening torque
A
Yes
53.9 N·m (5.5 kg-m, 40 ft-lb)
B
No
19.6 N·m (2.0 kg-m, 15 ft-lb)
C
Yes
62.7 N·m (6.4 kg-m, 46 ft-lb)
D
Yes
62.7 N·m (6.4 kg-m, 46 ft-lb)
WBIA0419E
PBIC0093E
PBIC0094E
EMP0569D
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст