Crankshaft 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)
- Use the Dial Indicator Gauge with Holding Fixture to measure the crankshaft runout.
NOTE:
Crankshaft main bearing journals must be within specifications before checking runout.
- Refer to ENGINE - 3.9L & 4.2L 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 ENGINE - 3.9L & 4.2L for the procedure.