CTS RWD V8-6.2L SC (2009)
4. Using a flat-bladed screwdriver, remove the drive axle flange axle seal (1) from the differential side cover (2).
Installation Procedure
1. Apply a small amount of clean 75W-90 synthetic gear lube, GM P/N 12378261 (Canadian P/N 10953455) to the sealing lips of the seal.
