376 FLYWHEEL A ND F LYWHEEL HOUSING
4. Remove the remaining ten flywheel mounting
bolts.
5. Slide the flywheel out of the flywheel housing and
off the guide pins.
6. Remove guide pins.
Flexplate (Automatic Transmissions)
NOTE: The flexplate assembly is available as a
service part. Typically, there will be no need to
disassemble the flexplate assembly.
Allison 2000 Series Transmissions
Figure 592 Removing flexplate (Alli
son 2000
Series Transmission)
1. Guide pins
2. Reinforcement ring
3. Flexplate assembly
4. Paint marking index
5. Adapter hub
1. Paint mark the exposed face of the r
einforcement
ring and flexplate for installati
on later on.
2. Remove the two flexplate mounting b
olts at the 3
and 9 o’clock positions.
3. Install two guide pins (made lo
cally) in place of the
two flexplate mounting bolts.
4. Remove the remaining ten flexpl
ate mounting
bolts.
5. Slide the reinforcement rin
g, flexplate and adapter
hub off guide pins.
6. Remove guide pins.
MD-3000 and HD-4000 Series Transmissions
Figure 593 Removing flexplate (MD-3000 and
HD-4000 Series Transmissions)
1. Flexplate assembly
2. Guide pins
3. Flexplate assembly bolts (2)
4. Adapter hub
5. Reinforcement ring
6. Mounting bolt holes
NOTE: Do not remove the two small flexplate
assembly bolts.
1. Remove the two flexplate mounting bolts at the 3
o’clock and 9 o’clock positions.
2. Install two guide pins (made locally) in place of the
two flexplate mounting bolts.
3. Remove the remaining ten flexplate mounting
bolts.
4. Slide the flexplate assembly off the guide pins.
5. Remove the guide pins.
Crankshaft Timing Disk and Rear
Oil Seal
CAUTION: To prevent engine dama
ge, if only
replacing the timing disk, do n
ot use bolts to remove
timing disk from crankshaft
. Damage to the rear oil
seal could occur resulting i
n a leak.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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