RAM 2500 Truck 4WD V10-8.0L VIN W (1997)
Flywheel: Testing and Inspection
RUNOUT
Flywheel runout should not exceed 0.08 mm (0.003 inch). Measure runout at the outer edge of the flywheel face with a dial indicator. Mount the
indicator on a stud installed in place of one of the clutch housing bolts.
Common causes of runout are:
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heat warpage.
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improper machining.
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incorrect bolt tightening.
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improper seating on crankshaft flange shoulder.
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foreign material on crankshaft flange.
Flywheel machining is not recommended. The flywheel clutch surface is machined to a unique contour and machining will negate this feature.
However, minor flywheel scoring can be cleaned up by hand with 180 grit emery, or with surface grinding equipment. Remove only enough material
to reduce scoring (approximately 0.001 - 0.003 inch). Heavy stock removal is not recommended. Replace the flywheel if scoring is severe and deeper
than 0.076 mm (0.003 inch). Excessive stock removal can result in flywheel cracking or warpage after installation; it can also weaken the flywheel
and interfere with proper clutch release.
Clean the crankshaft flange before mounting the flywheel. Dirt and grease on the flange surface may cock the flywheel causing excessive runout. Use
new bolts when remounting a flywheel and secure the bolts with MOPAR Lock And Seal, Tighten flywheel bolts to specified torque only.
Overtightening can distort the flywheel hub causing runout.
