2007 NISSAN TIIDA Service Repair Manual

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Page 2865 of 5883

NISSAN TIIDA 2007 Service Repair Manual 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)

Page 2866 of 5883

NISSAN TIIDA 2007 Service Repair Manual ENGINE UNIT
EM-219
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
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NOTE:
Install the rear oil seal after installing the oil pan (upper).
27. Install rear oil seal. Refer to EM-166

Page 2867 of 5883

NISSAN TIIDA 2007 Service Repair Manual 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).

Page 2868 of 5883

NISSAN TIIDA 2007 Service Repair Manual ENGINE UNIT
EM-221
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
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Piston pin (piston pin hole) grade is provided only for the parts installed at the plant. For service parts, n

Page 2869 of 5883

NISSAN TIIDA 2007 Service Repair Manual 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 con

Page 2870 of 5883

NISSAN TIIDA 2007 Service Repair Manual ENGINE UNIT
EM-223
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
C
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Measure the outer diameter of piston pin with a micrometer (A).
Connecting Rod Bushing Oil Clearance
(Connecting

ENGINE UNIT
EM-223
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
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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

Page 2871 of 5883

NISSAN TIIDA 2007 Service Repair Manual EM-224
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
ENGINE UNIT
PISTON TO CYLINDER BORE CLEARANCE
Cylinder Bore Inner Diameter
Using a bore gauge (A), measure the cylinder bore for wear, out-
of-round and t

Page 2872 of 5883

NISSAN TIIDA 2007 Service Repair Manual ENGINE UNIT
EM-225
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
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Measure the outer diameter of crankshaft main journals with a
micrometer (A).
If out of the standard, measur

ENGINE UNIT
EM-225
< DISASSEMBLY AND ASSEMBLY >[MR18DE]
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Measure the outer diameter of crankshaft main journals with a
micrometer (A).
If out of the standard, measure the main bearing oil clearance.
Then use undersize bearing. Refer to "MAIN BEARING OIL
CLEARANCE".
CRANKSHAFT PIN JOURNAL DIAMETER
Measure the outer diameter of crankshaft pin journal with a micrometer.
If out of the standard, measure the connecting rod bearing oil clearance. Then use undersize bearing. Refer
to "CONNECTING ROD BEARING OIL CLEARANCE".
OUT-OF-ROUND AND TAPER OF CRANKSHAFT
Measure the dimensions at four different points as shown on each
main journal and pin journal with a micrometer.
Out-of-round is indicated by the difference in dimensions between
“X” and “Y” at “A” and “B”.
Taper is indicated by the difference in dimension between “A” and
“B” at “X” and “Y”.
If the measured value exceeds the limit, correct or replace crankshaft.
If corrected, measure the bearing oil clearance of the corrected main journal and/or pin journal. Then select
main bearing and/or connecting rod bearing. Refer to "MAIN BEARING OIL CLEARANCE" and/or "CON-
NECTING ROD BEARING OIL CLEARANCE".
CRANKSHAFT RUNOUT
Place a V-block on a precise flat table to support the journals on
the both end of the crankshaft.
Place a dial indicator (A) straight up on the No. 3 journal.
While rotating crankshaft, read the movement of the pointer on the
dial indicator. (Total indicator reading)
If it exceeds the limit, replace crankshaft.
CONNECTING ROD BEARING OIL CLEARANCE
Method by Calculation
Standard: 51.959 - 51.979 mm (2.0456 - 2.0464 in) dia.
PBIC3457J
Standard: 43.953 - 43.971 mm (1.7304-1.7311 in) dia.
Limit:
Out-of-round (Difference between “X” and “Y”)
: 0.0035 mm (0.0001 in)
Taper (Difference between “A” and “B”)
: 0.0035 mm (0.0001 in)
PBIC3459J
Standard : 0.05 mm (0.0020 in)
Limit : 0.10 mm (0.0040 in)
PBIC3458J

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