Removing and installing final drive/transmission housing double sealing ring: Installation

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Check seat of sealing ring in transmission housing for damage.
Thinly coat outer circumference and sealing lip of sealing ring with Vaseline.
Push sealing ring onto the special tool so that the projecting sealing lip (arrow) faces the special tool.

Fig 1: Pushing Sealing Ring Onto Special Tool
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Drive sealing ring in to the stop with special tool 3383.

Fig 2: Installing Sealing Ring In To Stop With Special Tool 3383
Courtesy of PORSCHE OF NORTH AMERICA, INC.