Crankshaft - Runout

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Special Tool

Courtesy of FORD MOTOR CO.

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

Fig 2: Measuring Crankshaft Runout Using Dial Indicator

Courtesy of FORD MOTOR CO.

Use the Dial Indicator with Bracketry to measure the crankshaft runout.
- 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.