Tool Required

J 42067 Rear Main Oil Sealer Installer

1. Remove the flywheel. Refer to Engine Flywheel Replacement .



2. Center punch the steel ring of the rear main oil seal.

Important:  Use caution when drilling the hole so as not to damage the engine components on the opposite side of the rear main oil seal.

3. Carefully drill a small, shallow, pilot hole into the steel ring of the rear main oil seal.
4. Screw in a self-tapping screw.
5. Use pliers to pull the rear main oil seal out.
6. Clean all sealing surfaces.

1. Coat the lip of the rear main oil seal with a small amount of chassis grease, GM P/N 12377985 or equivalent.



2. Use the J 42067 to install the rear main oil seal.
3. Install the flywheel. Refer to Engine Flywheel Replacement .