15-21
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CYLINDER BLOCK
CONNECTING ROD SMALL END-TO-
PISTON PIN CLEARANCE
Measure the connecting rod small end I.D.
Calculate the gap between the piston pin O.D. and the
connecting rod small end I.D.
CONNECTING ROD BIG END AXIAL
CLEARANCE
Measure the axial clearance at each connecting rod big
end.
If the measurement exceeds the service limit, replace
the connecting rod and the connecting rod cap with the
new ones as a set, and recheck.
If the measurement still exceeds the service limit after
replacing the connecting rod and the connecting rod
cap, replace the crankshaft with a new one.
THRUST WASHER SIDE CLEARANCE
Measure the clearance between the No.4 main journal
thrust washer and the crankshaft.
If the measurement exceeds the service limit, check the
thrust washer and the cylinder block thrust surface.
Replace the thrust washer with a new one if necessary
and recheck.
If the measurement still exceeds the service limit after
replacing the thrust washer, replace the crankshaft with
a new one.
CRANKSHAFT MAIN JOURNAL O.D.
Measure the crankshaft main journal [1] O.D.
STANDARD:
17.964 – 17.977 mm (0.7072 – 0.7078 in)
STANDARD:
0.019 – 0.036 mm (0.0007 – 0.0014 in)
STANDARD:
0.15 – 0.35 mm (0.006 – 0.014 in)
SERVICE LIMIT:
0.40 mm (0.016 in)
STANDARD:
0.10 – 0.35 mm (0.004 – 0.014 in)
SERVICE LIMIT:
0.45 mm (0.018 in)
STANDARD:
49.976 – 50.000 mm (1.9676 – 1.9685 in)
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