Camshaft Runout

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

Special Tool(s)

Fig 1: Identifying Special Tool(s)

Courtesy of FORD MOTOR CO.

NOTE: Camshaft journals must be within specifications before checking runout.

Use a Dial Indicator Gauge with Holding Fixture to measure the camshaft runout.

Rotate the camshaft and subtract the lowest indicator reading from the highest indicator reading.
For additional information, refer to the specification chart in ENGINE - 3.9L & 4.2L for the procedure.
If out of specification, install new components as necessary. Refer to ENGINE - 3.9L & 4.2L for the procedure.

Fig 2: Measuring Camshaft Runout

Courtesy of FORD MOTOR CO.