NISSAN TIIDA 2007 Service Repair Manual

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
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
N
P O
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

EM-216
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
9. Position crankshaft (2) and signal plate (1) using a dowel pin
(service part), and tighten bolts in numerical order as shown.
NOTE:
Dowel pin of crankshaft and signal plate is provided as a set for
each.
10. Tighten bolts in numerical order as shown.
11. Remove dowel pin. (service parts)
CAUTION:
Be sure to remove dowel pin.
12. Install crankshaft to cylinder block.
 While turning crankshaft by hand, make sure that it turns smoothly.
13. Install main bearing caps referring to the journal No. stamp (A)
and front mark (B) as shown.
NOTE:
Main bearing cap cannot be replaced as a single part, because it
is machined together with cylinder block.
14. Apply new engine oil to threads and seat surfaces of bolts.
15. Tighten main bearing cap bolts in two steps.
NOTE:
Tighten main bearing cap bolts in numerical order as shown:
 After installing bolts, make sure that crankshaft can be rotated smoothly by hand.
 Check crankshaft end play. Refer to EM-219, "
Inspection After Disassembly".
16. Using snap ring pliers, install new snap ring to the groove of the piston rear side.
 Insert it fully into groove to install.
17. Assemble piston to connecting rod.
A : Dowel pin hole
PBIC3238J
: Engine front
PBIC3239J
: Engine front
Step 1 : 34.3 N·m (3.5 kg-m, 25 ft-lb)
Step2 60° clockwise
PBIC3235J
Tool number : KV10112100 (BT-8653-A)
PBIC3240J

ENGINE UNIT
EM-217
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
N
P O
 Using a suitable tool, heat the piston until the piston pin can be pushed in by hand without excess force
[approximately 60° to 70 °C (140° to 158 °F)]. From the front to the rear, insert piston pin into piston and
connecting rod.
 Assemble so that the front mark (A) on the piston head and
the oil hole (B) and the cylinder number (C) on connecting rod
are positioned as shown.
18. Install new snap ring to the groove of the piston front side.
 Insert it fully into groove to install.
 After installing, make sure that connecting rod moves
smoothly.
19. Using a suitable tool, install piston rings.
CAUTION:
 Be careful not to damage piston.
 Be careful not to damage piston rings by expanding them excessively.
 Position each ring with the gap as shown referring to the pis-
ton front mark.
CAUTION:
Never contact the rail end gap under the oil ring with the
oil drain cast groove of piston.
 Install second ring with the stamped surface facing upward.
20. Install connecting rod bearing upper (2) and lower (3) to con-
necting rod (1) and connecting rod cap (4).
 Install the connecting rod in the dimension shown.
 Make sure that connecting rod bearing oil hole (A) is com-
pletely in the inside of connecting rod oil hole chamfered area
(B).
 When installing connecting rod bearings, apply new engine oil
to the bearing surface (inside). Do not apply new engine oil to
the back surface, but thoroughly clean it.
NOTE:
 There is no positioning tab.
 Install the connecting rod bearings in the center of connect-
ing rod and connecting rod bearing cap as shown. For ser-
vice operation, the center position can be checked, visually.
21. Install piston and connecting rod assembly to crankshaft.
 Position crankshaft pin corresponding to connecting rod to be installed onto the bottom dead center.
D : Big end diameter grade
E : Small end diameter grade
F : Front mark (connecting rod bearing cap)
A : Oil ring upper or lower rail gap
B : Front mark
C : Second ring and oil ring spacer gap
D : Top ring gap
E : Stamped mark
PBIC3587J
PBIC3588J
C : Oil hole (connecting rod)
D : Arrow view
: Engine front
PBIC4541E

EM-218
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
 Apply new engine oil sufficiently to the cylinder bore, piston and crankshaft pin.
 Match the cylinder position with the cylinder number (C) on
connecting rod to install.
 Install so that front mark (A) on the piston head faces the front
of engine.
 Using a piston ring compressor [SST: EM03470000 (J-8037)]
(A) or suitable tool, install piston with the front mark on the pis-
ton head facing the front of the engine.
CAUTION:
Be careful not to damage the cylinder wall and crankshaft
pin, resulting from an interference of the connecting rod
big end.
22. Install connecting rod cap.
 Match the stamped cylinder number marks (C) on connecting
rod with those on connecting rod cap to install.
23. Tighten connecting rod bolt with the following procedure:
CAUTION:
 Make sure that there is no gap in the thrust surface (A) of
the joint between connecting rod (1) and connecting rod
bearing cap (2) and that these parts are in the correct
position. And then, tighten the connecting rod bolts.
 If the connecting rod bolts are reused, measure the outer
diameter. Refer to EM-219, "
Inspection After Disassem-
bly".
24. Apply new engine oil to the threads and seats of connecting rod
bolts.
25. Tighten bolts in three steps
 After tightening connecting rod bolt, make sure that crankshaft rotates smoothly.
 Check the connecting rod side clearance. Refer to EM-219, "
Inspection After Disassembly".
26. Install oil pan (upper). Refer to EM-166
.
B : Oil hole
D : Big end diameter grade
E : Small end diameter grade
F : Front mark (connecting rod bearing cap)
PBIC3587J
PBIC3244J
A : Front mark (piston)
B : Oil hole
D : Big end diameter grade
E : Small end diameter grade
F : Front mark (connecting rod bearing cap)
PBIC3587J
Step 1 : 27.4 N·m (2.8 kg-m, 20 ft-lb)
Step 2 : 0 N·m (0 kg-m, 0 ft-lb)
Step 3 : 19.6 N·m (2.0 kg-m, 14 ft-lb)
PBIC3510J

ENGINE UNIT
EM-219
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
N
P O
NOTE:
Install the rear oil seal after installing the oil pan (upper).
27. Install rear oil seal. Refer to EM-166
.
28. Install flywheel.
 Secure crankshaft using Tool. (A), and tighten bolts crosswise
over several times.
29. Install knock sensor (1) with connector facing toward the rear of
engine.
CAUTION:
 Never tighten bolts while holding the connector.
 If any impact by dropping is applied to knock sensor,
replace it with a new one.
NOTE:
 Make sure that there is no foreign material on the cylinder
block mating surface and the back surface of knock sensor.
 Make sure that knock sensor does not interfere with other parts.
30. Install crankshaft position sensor (POS) and crankshaft position sensor (POS) cover.
CAUTION:
 Avoid impacts such as a dropping.
 Keep it away from metal particles.
 Never place sensor in a location where it is exposed to magnetism.
31. Install oil filter (for intake valve timing control) (1) in the direction
shown.
 Make sure that the oil filter does not protrude from the upper
surface of cylinder block (2) after installation.
32. Assemble in the reverse order of disassembly.
Inspection After DisassemblyINFOID:0000000001337814
CRANKSHAFT END PLAY
Tool number : KV11105210 (J-44716)
AWBIA011 7ZZ
A : Cylinder block left side
: Engine front
PBIC3246J
PBIC3260J

EM-220
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
 Measure the clearance between thrust bearings and crankshaft
arm when crankshaft is moved fully forward or backward with a dial
indicator (A).
 If the measured value exceeds the limit, replace thrust bearings,
and measure again. If it still exceeds the limit, replace crankshaft
also.
CONNECTING ROD SIDE CLEARANCE
 Measure the side clearance between connecting rod and crank-
shaft arm with a feeler gauge (A).
 If the measured value exceeds the limit, replace connecting rod,
and measure again. If it still exceeds the limit, replace crankshaft
also.
PISTON TO PISTON PIN OIL CLEARANCE
Piston Pin Hole Diameter
Measure the inner diameter of piston pin hole with an inside
micrometer (A).
Piston Pin Outer Diameter
Measure the outer diameter of piston pin with a micrometer (A).
Piston to Piston Pin Oil Clearance
(Piston to piston pin oil clearance) = (Piston pin hole diameter) – (Piston pin outer diameter)
 If oil clearance is out of the standard, replace piston and piston pin assembly.
 When replacing piston and piston pin assembly, rfollow the "Piston to Cylinder Bore Clearance" procedure.
NOTE:
 Piston is available together with piston pin as assembly.Standard : 0.10 - 0.26 mm (0.0039 - 0.0102 in)
Limit : 0.30 mm (0.012 in)
PBIC3252J
Standard : 0.20 - 0.35 mm (0.0079 - 0.0138 in)
Limit : 0.40 mm (0.0157 in)
PBIC3251J
Standard: 19.993 - 19.999 mm (0.7871 - 0.7874 in)
PBIC3265J
Standard: 19.989 - 19.995 mm (0.7870 - 0.7872 in)
PBIC3266J
Standard: 0.002 - 0.006 mm (0.0001 - 0.0002 in)

ENGINE UNIT
EM-221
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
N
P O
 Piston pin (piston pin hole) grade is provided only for the parts installed at the plant. For service parts, no
grades can be selected. (Only grade “0” is available.)
PISTON RING SIDE CLEARANCE
 Measure the side clearance of piston ring and piston ring groove
with a feeler gauge (A).
 If the measured value exceeds the limit, replace piston ring, and measure again. If it still exceeds the limit,
replace piston also.
PISTON RING END GAP
 Make sure that cylinder bore inner diameter is within specification.
 Lubricate with new engine oil to piston (1) and piston ring (2), and
then insert (A) piston ring until middle of cylinder (B) with piston,
and measure piston ring end gap with a feeler gauge (C).
 If the measured value exceeds the limit, replace piston ring, and measure again. If it still exceeds the limit,
re-bore cylinder and use oversized piston and piston rings.
CONNECTING ROD BEND AND TORSION
Standard:
Top ring : 0.04 - 0.08 mm (0.002 - 0.003 in)
2nd ring : 0.03 - 0.07 mm (0.001 - 0.003 in)
Oil ring : 0.015 - 0.185 mm (0.001 - 0.007 in)
Limit:
Top ring : 0.11 mm (0.0043 in)
2nd ring : 0.10 mm (0.0039 in)
PBIC3280J
Standard:
Top ring : 0.20 - 0.30 mm (0.008 - 0.012 in)
2nd ring : 0.50 - 0.65 mm (0.020 - 0.026 in)
Oil ring
(rail ring) : 0.15 - 0.45 mm (0.006 - 0.018 in)
Limit:
Top ring : 0.51 mm (0.020 in)
2nd ring : 0.83 mm (0.033 in)
Oil ring
(rail ring): 0.78 mm (0.031 in)
PBIC3267J

EM-222
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
 Check with a connecting rod aligner.
 If it exceeds the limit, replace connecting rod assembly.
CONNECTING ROD BIG END DIAMETER
 Install connecting rod cap (1) without connecting rod bearing
installed, and tightening connecting rod bolts to the specified
torque. Refer to EM-212, "
Disassembly and Assembly" for the
tightening procedure.
 Measure the inner diameter of connecting rod big end with an
inside micrometer.
 If out of the standard, replace connecting rod assembly.
CONNECTING ROD BUSHING OIL CLEARANCE
Connecting Rod Bushing Inner Diameter
Measure the inner diameter of connecting rod bushing with an inside
micrometer (A).
Piston Pin Outer Diameter
C : Feeler gauge
Bend (A):
Limit: 0.15 mm (0.0059 in) per 100 mm (3.94 in) length
To r s i o n ( B ) :
Limit: 0.30 mm (0.0118 in) per 100 mm (3.94 in) length
PBIC3268J
2 : Connecting rod
A : Example
B : Measuring direction of inner diameter
Standard: 47.000 - 47.013 mm (1.8504 - 1.8509 in)
PBIC3269J
Standard: 20.000 - 20.012 mm (0.7874 - 0.7879 in)
PBIC3270J

ENGINE UNIT
EM-223
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EM
N
P O
Measure the outer diameter of piston pin with a micrometer (A).
Connecting Rod Bushing Oil Clearance
(Connecting rod bushing oil clearance) = (Connecting rod bushing inner diameter) – (Piston pin outer diame-
ter)
 If the measured value is out of the standard, replace connecting rod assembly and/or piston and piston pin
assembly.
 If replacing piston and piston pin assembly, refer to "PISTON TO PISTON PIN OIL CLEARANCE".
 If replacing connecting rod assembly, refer to "Connecting Rod Bushing Oil Clearance" to select connecting
rod bearing.
CYLINDER BLOCK TOP SURFACE DISTORTION
 Using a scraper, remove gasket on the cylinder block surface, and also remove engine oil, scale, carbon, or
other contamination.
CAUTION:
Be careful not to allow gasket flakes to enter engine oil or engine coolant passages.
 Measure the distortion on the cylinder block upper face at some
different points in six directions with a straight edge (A) and feeler
gauge (B).
 If it exceeds the limit, replace cylinder block.
MAIN BEARING HOUSING INNER DIAMETER
 Install main bearing cap without main bearings installed, and tighten main bearing cap bolts to the specified
torque. Refer to EM-212, "
Disassembly and Assembly" for the tightening procedure.
 Measure the inner diameter of main bearing housing with a bore gauge.
 Measure the position shown [5 mm (0.20 in)] backward from main
bearing housing front side in the 2 directions as shown. The
smaller one is the measured value.
 If out of the standard, replace cylinder block and main bearing
caps assembly.
NOTE:
Main bearing caps cannot be replaced as a single, because it is machined together with cylinder block. Standard: 19.989 - 19.995 mm (0.7870 - 0.7872 in)
PBIC3266J
Standard : 0.005 - 0.023 mm (0.0002 - 0.0009 in)
Limit : 0.03 mm (0.0012 in)
Limit: 0.1 mm (0.004 in)
PBIC3250J
1 : Cylinder block
2 : Main bearing cap
: Engine front
Standard: 55.997 - 56.017 mm (2.2046 - 2.2054 in)
PBIC4005E