Navigator 4WD V8-5.4L SOHC VIN L (1998)
Crankshaft: Testing and Inspection
Runout
NOTE: Crankshaft main bearing journals must be within specifications before checking runout.
1. Use Dial Indicator with Bracketry to measure the crankshaft runout.
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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, replace as necessary.
