GMC Workshop Service and Repair Manuals

Seals and Gaskets: Service and Repair
Input Shaft Seal Replacement

Input Shaft Seal Replacement

Special Tools

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J 3289-20  Holding Fixture

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J 23907  Slide Hammer with Bearing Adapter

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J 45278  Seal Remover

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J 45759  Assembly Fixture

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J 45934  Input Seal Installer

Removal Procedure 

1. Remove the transfer case assembly. Refer to Transfer Case Assembly Replacement   (See: Service and Repair/Removal and Replacement/Transfer

Case Assembly Replacement).

2. Install the J 45759   to the transfer case, using 4 suitable bolts.