Crankshaft Runout

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

SPECIAL TOOL CHART

Dial Indicator with Bracketry 100-002 (TOOL-4201-C) or equivalent

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

Use the special tool to measure the crankshaft runout.
- For additional information, refer to Specifications in the appropriate ENGINE article.
- 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.
  
  Fig 1: Measuring Crankshaft Runout
  Courtesy of FORD MOTOR CO.