Crankshaft Rear Oil Seal

Removal

1. Remove the flywheel (6375). Refer to Flywheel or to Flywheel, Dual Mass in the Removal and Installation portion of this section.

2. Remove the five crankshaft rear oil seal retaining bolts and the crankshaft rear oil seal (6701).

   

3. Clean the crankshaft rear oil seal sealing surfaces.

4. Inspect the crankshaft rear oil seal for damage. Replace as necessary.

5. If equipped with a crankshaft wear sleeve, use Crankshaft Rear Wear Ring Remover T94T-6701-AH1, Forcing Screw T84T-7025-B, Remover Tube T77J-7025-B and Crankshaft Rear Wear Ring Remover Sleeve T94T-6701-AH2 to remove the crankshaft rear wear sleeve.

   

   Item	Part Number	Description
   1	—	Crankshaft Wear Ring (Part of 6701)
   2	T94T-6701-AH1	Crankshaft Rear Wear Ring Remover
   3	T84T-7025-B	Forcing Screw
   4	T77J-7025-B	Remover Tube
   5	T94T-6701-AH2	Crankshaft Rear Wear Ring Remover Sleeve (if Installed)

Installation

1. Apply Silicone Rubber F5TZ-19G204-AB or equivalent meeting Navistar specification D15-5012 Type 2 to the rear oil seal retaining ring and five crankshaft rear oil seal retaining bolts.

2. Using Crankshaft Seal Replacer T94T-6701-AH3, Crankshaft Seal Replacer T94T-AH4 and if wear sleeve is to be replaced, Driver Sleeve T79T-6316-A4 and guide pins (part of T79T-6316-A), install crankshaft wear ring and crankshaft rear oil seal.

   

   Item	Part Number	Description
   1	—	Guide Pins (Part of T79T-6316-A)
   2	T94T-6701-AH4	Crankshaft Seal Replacer
   3	T94T-6701-AH3	Crankshaft Seal Replacer
   4	T79T-6316-A4	Driver Sleeve
   5	6701	Crankshaft Rear Oil Seal

3. Install the five crankshaft rear oil seal retaining bolts. Tighten bolts to standard Torque Specification listed at the end of this section.

4. Remove installation tools.

5. Install the flywheel.