Nissan Tiida C11. Instruction — part 715
EM-212
< DISASSEMBLY AND ASSEMBLY >
[MR18DE]
ENGINE UNIT
Disassembly and Assembly
INFOID:0000000001337812
DISASSEMBLY
1.
Remove engine and transaxle assembly from vehicle, separate transaxle from engine. Refer to
.
2.
Install engine to engine stand as follows;
a.
Remove flywheel.
• Secure flywheel using Tool (A), and remove bolts.
CAUTION:
Be careful not to damage or scratch contact surface for
clutch disc of flywheel.
b.
Lift the engine with a hoist to install it onto widely use engine stand.
CAUTION:
• Use the engine stand that has a load capacity [approximately 135 kg (298 lb) or more] large
enough for supporting the engine weight.
• If the load capacity of stand is not adequate, remove the following parts beforehand to reduce the poten-
tial risk of overturning stand.
- Exhaust manifold; Refer to
.
- Rocker cover; Refer to
EM-173, "Removal and Installation"
NOTE:
The figure shows an example of widely used engine stand (A)
that can support mating surface of transaxle with flywheel
removed.
CAUTION:
Before removing the hanging chains, make sure the engine
stand is stable and there is no risk of overturning.
3.
Remove oil pan (upper and lower). Refer to
.
4.
Remove cylinder head. Refer to
EM-198, "Removal and Installation"
5.
Remove thermostat housing. Refer to
CO-45, "Removal and Installation"
6.
Remove knock sensor.
CAUTION:
1.
Cylinder block
2.
O-ring
3.
Crankshaft position sensor (POS)
4.
Crankshaft position sensor (POS)
cover
5.
Oil filter (for intake valve timing con-
trol)
6.
Knock sensor
7.
Oil pressure switch
8.
Top ring
9.
Second ring
10. Oil ring
11.
Snap ring
12.
Piston
13. Piston pin
14.
Connecting rod
15.
Thrust bearing
16. Connecting rod bearing upper
17.
Main bearing upper
18.
Crankshaft key
19. Main bearing lower
20.
Connecting rod bearing lower
21.
Connecting rod bearing cap
22. Connecting rod bolt
23.
Main bearing cap
24.
Main bearing cap bolt
25. Crankshaft
26.
Signal plate
27.
Rear oil seal
28. Flywheel
A.
Tool number
: KV 11105210 (J-44716)
AWBIA0117ZZ
PBIC3227J
ENGINE UNIT
EM-213
< DISASSEMBLY AND ASSEMBLY >
[MR18DE]
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Carefully handle knock sensor avoiding shocks.
7.
Remove crankshaft position sensor (POS) cover and crankshaft position sensor (POS).
CAUTION:
• Avoid impacts such as a dropping.
• Never disassemble.
• Keep it away from metal particles.
• Never place sensor in a location where it is exposed to magnetism.
8.
Remove oil filter (for intake valve timing control).
9.
Position crankshaft pin corresponding to connecting rod to be removed onto the bottom dead center.
NOTE:
Before removing piston and connecting rod assembly, check the connecting rod side clearance. Refer to
EM-219, "Inspection After Disassembly"
.
10. Remove connecting rod cap.
11. Using a suitable tool, push piston and connecting rod assembly
out to the cylinder head side.
CAUTION:
• Be careful not to damage matching surface with connect-
ing rod cap.
• Be careful not to damage the cylinder wall and crankshaft
pin, resulting from an interference of the connecting rod
big end.
12. Remove connecting rod bearings.
CAUTION:
When removing them, note the installation position. Keep them in the correct order.
13. Remove piston rings form piston.
• Before removing piston rings, check the piston ring side clearance. Refer to
.
14. Using a suitable tool (A) remove piston rings.
CAUTION:
• When removing piston rings, be careful not to damage the
piston.
• Be careful not to damage piston rings by expanding them
excessively.
15. Using snap ring pliers (A), remove snap rings.
PBIC0259E
PBIC3233J
PBIC3230J
EM-214
< DISASSEMBLY AND ASSEMBLY >
[MR18DE]
ENGINE UNIT
16. Heat piston to 60
°
to 70
°
C (140
°
to 158
°
F) using a suitable tool
(A).
17. Push out piston pin using a suitable tool of an outer diameter
approximately 18 mm (0.71 in).
18. Loosen main bearing cap bolts in reverse order as shown, and
remove them.
NOTE:
Before loosening main bearing cap bolts, measure crankshaft
end play. Refer to
EM-219, "Inspection After Disassembly"
.
19. Remove main bearing caps.
• Tap main bearing caps lightly using a suitable tool for removal.
CAUTION:
Be careful not to damage the mounting surface.
20. Remove crankshaft.
CAUTION:
• Be careful not to damage or deform signal plate (1)
mounted on rear end of crankshaft (A).
• When setting crankshaft on a flat floor surface, use a
block of wood to avoid interference between signal plate
and the floor surface.
• Never remove signal plate unless it is necessary to do so.
21. Pull rear oil seal out from rear end of crankshaft.
22. Remove main bearings and thrust bearings from cylinder block
and main bearing caps.
CAUTION:
Identify installation positions, and store them without mix-
ing them up.
ASSEMBLY
1.
Fully air-blow engine coolant and engine oil passages in cylinder block, cylinder bore and crankcase to
remove any foreign material.
CAUTION:
Use a goggles to protect your eye.
PBIC3231J
PBIC0262E
: Engine front
PBIC3235J
PBIC3234J
ENGINE UNIT
EM-215
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2.
Install water drain plug (1) to cylinder block.
• Apply liquid gasket to the drain plug thread.
Use Genuine Silicone RTV Sealant or equivalent. Refer to
GI-27, "Recommended Chemical Products and Sealants"
.
3.
Remove dust, dirt, and engine oil on the bearing mating sur-
faces of cylinder block and main bearing cap.
4.
Install thrust bearings to the both sides of the No. 3 journal hous-
ing (B) on cylinder block.
• Install thrust bearings with the oil groove (A) facing crankshaft
arm (outside).
5.
Install the main bearings paying attention to the direction.
CAUTION:
• Before installing main bearings, apply new engine oil to the bearing surface (inside). Do not
apply new engine oil to the back surface, but thoroughly clean it.
• When installing, align main bearing to the center position of cylinder block and main bearing
cap.
• The difference (A) between main bearing upper (1) and
main bearing lower (3) should be 0.85 mm (0.033 in) or
less when installing.
• Ensure the oil holes on cylinder block and oil holes (A) on
the main bearings (1) are aligned.
6.
Install signal plate to crankshaft if removed.
7.
Set the signal plate with the flange facing toward the counter weight side (engine front side) to the crank-
shaft rear surface.
8.
Apply new engine oil to threads and seat surfaces of bolts.
: Engine front
9.8 N·m (1.0 kg-m, 87 in-lb)
PBIC3228J
: Engine front
PBIC3258J
2
: Cylinder block
4
: Main bearing cap
PBIC3237J
PBIC3236J
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