A09491
20 mm (0.79 in.)
A56040
A56041
A09474
−ENGINE MECHANICAL CYLINDER BLOCK ASSY (1CD−FTV)(FromSeptember,
2003)
14−51
1CD−FTV ENGINE REPAIR MANUAL (RM1046E)
17. INSPECT CONNECTING ROD BOLT
(a) Using vernier calipers, measure the tension portion diam-
eter.
Standard diameter:
8.0 to 8.3 mm (0.315 to 0.327 in.)
If the diameter is less than minimum, replace the connecting rod
bolt.
18. INSPECT CRANKSHAFT
(a) Place the crankshaft on V−blocks.
(b) Using a dial indicator, measure the circle runout at the
center journal.
Maximum circle runout: 0.025 mm (0.0010 in.)
If the circle runout is greater than maximum, replace the crank-
shaft.
(c) Using a micrometer, measure the diameter of each main
journal and crank pin.
Main journal diameter:
56.992 to 57.010 mm (2.2438 to 2.2445 in.)
Crank pin diameter:
50.482 to 50.500 mm (1.9875 to 1.9882 in.)
If the diameter is not as specified, replace the crankshaft.
(d) Check each main journal and crank pin for taper and out−
of−round as illustrated.
Maximum taper and out−of−round:
0.01 mm (0.0004 in.)
If the taper and out−of−round is greater than maximum, replace
the crankshaft.
19. INSPECT CYLINDER BLOCK OIL ORIFICE
(a) Check the oil orifice for clogging.
If necessary, replace the oil orifice.
20. INSPECT CRANKSHAFT OIL CLEARANCE
(a) Clean each main journal and bearing.
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