Checking And Topping Up Oil For Final Drive (With Transmission Oil)

→ Let the fluid cool down.

→ Wear personal protective gear.

1. Unscrew filler screw -1-  using socket-wrench insert (a/f 8 mm) from socket wrench set, 39-piece WE 1640  .
   1. 1.1. Add transmission oil using special tool manual metering pump, Porsche set WE 1372  until oil emerges at the filler opening.
2. Screw in filler screw by hand.

   Information 

   Basic requirements for filling the transmission correctly:

   • Vehicle is horizontal on the lifting platform 
   • Transmission oil temperature is approx. 20 °C 
   • Engine off, transmission is not turning. 
3. Get the vehicle ready: 
   • Raise the vehicle until the wheels can turn freely.
   • Start engine
   • Engage 1st gear using the manual shift gate
   • Allow the transmission to turn at idle speed for two minutes  .
   • Move selector lever to "N"
   • Switch off engine
   • Wait for ten minutes! 

   Information 

   The transmission temperature must not be higher than 40 °C when filling the transmission.

4. Unscrew filler screw -1-  .
   1. 4.1. Transmission oil runs out:  Oil level in transmission is OK (for GT3 vehicles,  see Step  4.3).
   2. 4.2. Transmission oil does not run out:  Add oil using manual metering pump, Porsche set WE 1372  until oil emerges at the filler opening.
   3. 4.3. 150 ml of transmission oil must be extracted if the oil level is at the lower edge of the filler opening on GT3 vehicles! 
5. Screw in and tighten new oil filler screw -1-  .
   1. 5.1. Porsche Doppelkupplung (PDK): Tightening torque 27 Nm (20 ftlb.) 
   2. 5.2. Manual transmission: Tightening torque 35 Nm (26 ftlb.) 
      Fig 1: Removing Oil Filler Screw/Inspection Plug

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.