4 Runner Limited 2WD V6-3.4L (5VZ-FE) (1997)
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Crankshaft: Testing and Inspection
Main Journals and Crank Pins Inspection
1. Using a micrometer, measure the diameter of each main journal and crank pin.
Main journal diameter:
STD: 63.985 - 64.000 mm (2.5191 -2.5197 inch)
U/S 0.25: 63.745 - 63.755 mm (2.5096 - 2.5100 inch)
Crank pin diameter:
STD: 54.987 - 55.000 mm (2.1648 - 2.1654 inch)
U/S 0.25: 54.987 - 55.000 mm (2.1648 - 2.1654 inch)
If the diameter is not as specified, check the oil clearance.
2. Check each main journal and crank pin for taper and out-of-round as shown.
Maximum taper and out-of-round: 0.002 mm (0.0008 inch)
If the taper and out-of-round is greater than maximum, replace the crankshaft.
