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GMC Workshop Service and Repair Manuals

Crankshaft Main Bearing Seal|Service and Repair|Page 2129 > < Center Intake Manifold Replacement|Page 2124
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Crankshaft Main Bearing Seal: Service and Repair

Crankshaft Rear Oil Seal Replacement

Special Tools

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J 44641  Crankshaft Rear Oil Seal Remover

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J 44642  Crankshaft Rear Oil Seal Installer

Removal Procedure

1. Remove the engine flywheel. Refer to Engine Flywheel Replacement   (See: Transmission and Drivetrain/Flex Plate/Service and Repair/Engine

Flexplate/Flywheel Replacement)

2. Install the button of J 44641   into the crankshaft.
3. Press the jaws of J 44641   into the felt portion of the seal far enough to engage the inner lip of the seal.
4. While holding the jaws of J 44641   tightly to the seals inner sleeve, tighten the jaw bolts.
5. Remove the crankshaft rear oil seal using the J 44641  .

Installation Procedure

Crankshaft Main Bearing Seal|Service and Repair|Page 2129 > < Center Intake Manifold Replacement|Page 2124