Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Crankshaft: Testing and Inspection
Runout
NOTE: Check crankshaft journals for out-of-round before checking for runout, or an out-of-round condition on the center journal could be confused for
an excess runout condition.
1. Set V-blocks on surface plate and set crankshaft on V-blocks supported on the outer two main bearing journals.
2. Set up TOOL-4201-C or equivalent Dial Indicator with Bracketry to measure runout on center main bearing journal.
3. Zero dial indicator.
4. Slowly rotate crankshaft one revolution, recording highest and lowest readings.
