FLYWHEEL, FLYWHEEL HOUSING, AND CRANKSHAFT REAR SEAL MAINTENANCE (Contd)
Both flywheels, crankshaft rear seals, and housings are replaced
the same way. This procedure covers the replacement of one
flywheel, crankshaft rear seal, and housing.
Use the gear barring tool to hold the flywheel, preventing rotation.
Remove two screws (6) 180 apart from flywheel (2).
Install two guide pins (5) in flywheel (2) where screws (6) were removed.
Determine screw thread design and size, and install two T-handles (1) in flywheel (2).
Remove six remaining screws (6) from flywheel (2).
Position sling and lifting device around T-handles (1) to support flywheel (2) during lifting operations.
Using sling and lifting device, remove flywheel (2) from guide pins (5) and flywheel housing (3).
Remove two guide pins (5) from flywheel housing (3).
FLYWHEEL HOUSING REMOVAL
Remove four screws (7) securing top of motor mount (8) on cylinder block (4).
Repeat step 3 for other rear motor mount.
Ensure flywheel housing is supported during removal.
Remove eight screws (9) from flywheel housing (3).
Using rubber hammer, strike flywheel housing (3) to loosen it from cylinder block (4).
Remove flywheel housing (3) and seal (10) from cylinder block (4). Discard seal (10).
CRANKSHAFT REAR SEAL REMOVAL
If the crankshaft seal has worn a groove in the crankshaft flange, a
wear sleeve must be installed to prevent oil leakage.
Loosen four screws (11) four revolutions.
Use extreme caution when releasing the oil pan gasket from the
rear cover. Failure to comply may result in damage to the oil pan
Remove four screws (11) securing oil pan (12) to rear cover (14).
Insert feeler gauge or shim stock between rear cover (14) and oil pan gasket (13). Move feeler gauge or
shim stock back and forth to release oil pan gasket (13) from rear cover (14).
Inspect edges of gasket (13) for damage. If damaged, oil pan must be removed and gasket replaced
Remove six screws (15), rear cover (14), and gasket (16) from crankshaft flange (17). Discard
Remove seal (18) from rear cover (14). Discard seal (18).