FixVault

Crankshaft Runout

SPECIAL TOOL CHART

G03878636
Dial Indicator Gauge with Holding Fixture
100-002 (TOOL-4201-C) or equivalent
    NOTE: Crankshaft main bearing journals must be within specifications before checking runout.
  1. Use the Dial Indicator Gauge with Holding Fixture to measure the crankshaft runout.
    • Refer to IN-VEHICLE REPAIR for the procedure.
    • Rotate the crankshaft and subtract the lowest dial indicator reading from the highest dial indicator reading to figure the crankshaft runout. If it is out of specification, install new components as necessary. Refer to IN-VEHICLE REPAIR for the procedure.
Fig 1: Measuring Crankshaft Runout
G03933284Courtesy of FORD MOTOR CO.