2. Using a flat-head screwdriver, remove the sealing ring from the gearbox socket.
Caution: Clean the O-ring seat and apply a thin layer of oil to it
3. Using drift 09431–21200, install a new O-ring into the transmission housing seat.
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4. Lubricate the working edge of the new sealing ring with oil.
Transmission oil: SAE 75W-90 API GL-4 class
