Transfer Case - Vehicles With: Electronic Shift Transfer Case: Disassembly
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NOTE: Seal all openings before cleaning the transfer case exterior. This will prevent entry of dirt and water, which may cause damage to internal components.
Using a transmission adjustable mounting arm, secure the transfer case to the bench. Clean the transfer case with solvent and dry with compressed air. Use the General Equipment: Adjustable Mounting Arm
- Remove and discard the transfer case rear output shaft seal.
- Remove the bolt and the vibration damper from the transfer case.
- Remove the coil wire pin from the electrical connector.
- Remove the inner retainer from the wire connector.
- Press the release tab and remove the coil wire pin.
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- Loosen the transfer case shift motor bracket nuts.
- Remove the transfer case shift motor bracket bolt.
- Remove the transfer case shift motor bolts.
- Remove the transfer case shift motor.
- Remove the coil nuts and washers.
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NOTE: The transfer case bolts are self tapping, and it is normal to find metal shavings while removing the cover.
Remove the transfer case bolts.
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NOTE: Use care not damage the field coil wire.
Using the pry bosses, separate the transfer case covers.
- Remove the dowel pins.
- Remove the transfer case field coil.
- Remove the field coil housing snap ring.
- Remove the field coil housing.
- Remove the lock up hub, shift fork and shift fork spring.
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NOTE: Remove the lockup hub assembly as a single unit. If disassembly is required, proceed with the following.
Disassemble the lockup hub assembly.
- Remove the lockup hub snap ring.
- Separate the lockup collar.
- Remove the armature.
- Separate the 2 lockup springs.
- Separate the lockup hub.
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NOTE: Remove the drive chain and sprockets as an assembly.
Remove the drive chain and sprockets.
- Remove the sprocket thrust washer.
- Remove the magnet from its slot in the case.
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NOTE: The pump assembly is not repairable.
Remove the oil pump assembly.
- Remove the shift rail.
- Remove the shift fork.
- Remove the output shaft.
- Remove the reduction hub.
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NOTE: The electric shift cam is serviced as an assembly. Do not disassemble the shift cam assembly.
Remove the electric shift cam assembly.
- Remove the planet carrier thrust bearing.
- Remove the ring gear circlip.
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NOTE: Replace the inner planet carrier needle bearing if necessary.
Remove the front planet carrier.
- Remove the ring gear.
- Remove the front output shaft seal dust cover.
- Remove the front output shaft.
- Remove and discard the front output shaft seal.
- Remove and discard the input shaft seal.
- Using the special tool with the Slide Hammer, remove the planet carrier bearing.
Use Special Service Tool: 308-047 (T77F-1102-A) Remover, Bearing Cup.
Use the General Equipment: Slide Hammer
- Using the special tool with the Slide Hammer, remove the front output shaft bearing.
Use Special Service Tool: 308-047 (T77F-1102-A) Remover, Bearing Cup.
Use the General Equipment: Slide Hammer
- Using the special tool with the Slide Hammer, remove the rear output shaft bearing.
Use Special Service Tool: 308-047 (T77F-1102-A) Remover, Bearing Cup.
Use the General Equipment: Slide Hammer
- Using the special tool and a Slide Hammer, remove the front output shaft support bearing.
Use Special Service Tool: 307-318 Remover, Stator Bearing.
Use the General Equipment: Slide Hammer
- Remove and discard the shift shaft seal.
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NOTE: Clean and inspect the components of the transfer case for damage and install new components as necessary.
Clean the transfer case with solvent and dry with compressed air.