Removal Procedure
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the power transfer unit from the vehicle. Refer to Power Transfer Unit Case Replacement
- Remove and DISCARD the Power Transfer Unit Intermediate Drive Shaft Clip (1).
- Remove and DISCARD the Power Transfer Unit Half Shaft Seal O-Ring (2).
- Remove and DISCARD the Power Transfer Unit Intermediate Drive Shaft Seal (3).
CAUTION:
When replacing power transfer unit case seals, use appropriate GM tools along with a hydraulic press. Failure to do so may result in misalignment or damage to the seal and/or power transfer unit.
CAUTION:
Do not nick, scratch or damage the sealing surface. The sealing surface is a machined surface. Damage to the machined surface can cause leakage.
NOTE:
Remove seal with a thin flat putty knife or equivalent. Inserting the blade of the tool between the outside diameter of the seal and the extension housing surface.