Crankshaft Runout

SPECIAL TOOL(S)

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.
- 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.
  
  Fig 1: Measuring Crankshaft Runout
  Courtesy of FORD MOTOR CO.