Sierra 3500 4WD V8-8.1L VIN G (2006)
5. Thread the center bolt of J 43320 into the crankshaft to remove the seal.
6. Remove the guide pins from the crankshaft.
Installation Procedure
1. Make sure the crankshaft is free of grit, loose rust, and burrs. Correct as needed.
2. Apply a very light film of oil onto the crankshaft sealing surface. DO NOT apply oil to the sealing surface of the engine block.
3. Install the seal onto J 42849 .
4. Position the J 42849 against the crankshaft. Thread the attaching screws into the tapped holes in the crankshaft.
5. Tighten the screws securely with a screwdriver in order to ensure that the seal is installed squarely over the crankshaft.
6. Rotate the center nut until the J 42849 bottoms.
7. Remove the J 42849 .
8. Install the flywheel.
