CTS-V V8-6.0L VIN U (2006)
Seals and Gaskets: Service and Repair
Drive Pinion Flange/Yoke and/or Oil Seal Replacement
Drive Pinion Flange/Yoke and/or Oil Seal Replacement
Tools Required
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J45005 Seal Installer
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J45012Holding Fixture
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J45019Flange and Pinion Cage Remover
Removal Procedure
1. Raise and support vehicle.
2. Remove the propeller shaft coupler-to-differential flange bolts and nuts.
Important: Remove only the propeller shaft coupler-to-differential flange bolts. Do NOT remove the coupler from the propeller shaft.
3. Push the rear propeller shaft toward the front of the vehicle in order to release the propeller shaft coupler from the differential pinion flange.
4. Position the propeller shaft out of the way.
5. Install the J45012 to the drive pinion flange.
6. While holding the J45012 remove the drive pinion flange nut.
7. Remove J45012 from the drive pinion flange.
8. Install the J45019 to the drive pinion flange.
9. Using J45019 remove the drive pinion flange.
10. Using a flat bladed tool remove the drive pinion seal. Take care not to damage any sealing surfaces.
Installation Procedure
1. Lubricate the drive pinion flange sealing surface of the drive pinion seal with synthetic gear oil GM P/N United States 12378514 Canada P/N
88901045 or equivalent.
2. Install the drive pinion seal to the J45005.
