Crankshaft Runout

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool(s)

Fig 1: Crankshaft Runout (Special Tool)

Courtesy of FORD MOTOR CO.

NOTE: Crankshaft main bearing journals must be within specifications before checking runout.

Use the Dial Indicator Gauge with Holding Fixture to measure the crankshaft runout.
- Refer to the appropriate article in ENGINE 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 the appropriate article in ENGINE for the procedure.

Fig 2: Rotating Crankshaft And Subtract Lowest Dial Indicator Reading From Highest Dial Indicator

Courtesy of FORD MOTOR CO.