FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Crankshaft - Out-of-Round & Taper

CRANKSHAFT
1. Check crankshaft main and pin journals for score, wear or cracks.






2. With a micrometer, measure journals for taper and out-of-round

Out-of-round (X - Y):
Less than 0.005 mm (0.0002 inch)
Taper (A - B):
Less than 0.005 mm (0.0002 inch)









3. Measure crankshaft runout.

Runout (Total indicator reading):
Less than 0.10 mm (0.0039 inch)