O-Rings, Gaskets And Seals

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Always replace the O-rings, gaskets and seals.
Fill the space between the sealing lips halfway with sealing grease for seal G 052 128 A1 before installing the seal.

Fig 1: Identifying Oil Seal Sealing Lips
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
The open side of the seal faces the oil.
Check the Automatic Transmission Fluid (ATF) level after installing.

CAUTION:

Be cautious when dealing with ATF. Dispose of drained ATF properly. Bear in mind that: One drop of transmission fluid can contaminate 1000 liters (264.2 gallons) of drinking water.