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• CONNECTING ROD BEARING OIL CLEARANCE
1) Clean the crank pin and the bearing of the connecting rod
cap assembly. Check the crank pin and the bearing for wear
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or damage.
2) Install the crankshaft on the cylinder block. Install the
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connecting rod cap assembly on the connecting rod, and
tighten the connecting rod nut to the specified torque (P.
10-26).
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3) Remove the connecting rod cap assembly and set a
plastigauge on the crank pin as shown.
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• Set the plastigauge in the axial direction.
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• Avoid the oil passage in the bearing journal to set the
plastigauge.
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4) Reinstall the connecting rod cap assembly on the
connecting rod, and tighten the connecting rod nut to the
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specified torque (P. 10-26).
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• Tighten the connecting rod nut with care not to turn the
crankshaft and/or the connecting rod.
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5) Remove the connecting rod cap assembly. Measure the
compressed width of the plastigauge using the scale
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printed on the bag of the plastigauge.
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• Measure the widest width on the plastigauge.
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Standard
0.020 - 0.038 mm
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(0.0008 - 0.0015 in)
6) If the measurement exceeds the service limit, replace with
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an undersize bearing by referring to the connecting rod
bearing selection table (P. 10-17). Recheck the connecting
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rod bearing oil clearance.
If the measurement still exceeds the service limit, replace
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the crankshaft with a new one.
• CRANKSHAFT MAIN JOURNAL O.D.
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Measure the crankshaft main journal O.D.
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Standard
39.982 - 40.006 mm
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(1.5741 - 1.5750 in)
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• CRANK PIN JOURNAL O.D.
Measure the crank pin journal O.D.
Standard
37.976 - 38.000 mm
(1.4951 - 1.4961 in)
10-13
[1]
PLASTIGAUGE
Service limit
0.080 mm
(0.0031 in)
Service limit
39.950 mm
(1.5728 in)
Service limit
37.940 mm
(1.4937 in)
188
[1]
PLASTIGAUGE
[2]
SCALE
[1]
MAIN JOURNAL
[1]
CRANK PIN
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