Crankshaft Runout

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

Illustration	Tool Name	Tool Number
	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.

Fig 1: Measuring Crankshaft Runout

Courtesy of FORD MOTOR CO.

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