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Mitsubishi Raider 2WD V6-3.7L (2008)06 · Transmission and Drivetrain
06 · Transmission

Flywheel: Testing and Inspection

Make
Mitsubishi
Model
Raider 2WD
Engine
V6-3.7L
Year
2008
Section
Flywheel › Testing and Inspection
Transmission and DrivetrainTesting and Inspection
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Flywheel: Testing and Inspection

FLYWHEEL 

DIAGNOSIS AND TESTING 

Check flywheel runout whenever misalignment is suspected. Flywheel runout should not exceed 0.08 mm (0.003 in.). 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 flywheel bolts.

Common causes of runout are:
^

heat warpage

^

improper machining

^

incorrect bolt tightening

^

improper seating on crankshaft flange shoulder

^

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 in.). Heavy stock removal is not recommended. Replace the flywheel if scoring is severe and deeper
than 0.08 mm (0.003 in.).
 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 Loctite 242 Lock And Seal. Tighten flywheel bolts to specified torque only.
Overtightening can distort the flywheel hub causing runout.

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Parts & tools for this job For 2008 Mitsubishi Raider 3.7L

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