Porsche 911 Carrera - Manual (Page 255)

Manual Transmission Oil
The transmission oil has to be checked and
changed at the intervals listed in your Maintenance
Schedule.
Please observe the chapter ”CAPACITIES” on
page 335.
We recommend that you have the transmission
oil changed at your Porsche dealer, who has
the required lubricants and the necessary filling
equipment.
If you suspect an oil leak in the transmission,
have your authorized Porsche dealer check it out
immediately.
Maintenance, Car Care
253