Checking And Topping Up ATF

• The transmission must not be in the reduced driving program.
• The ATF temperature must be between → ATF temperature: 30 degrees Celsius  and → ATF temperature: 45 degrees Celsius  . An ATF inspection when the temperature is too high causes insufficient filling, while an inspection when the temperature is too low causes over-filling of the transmission.
• The selector lever must be in position "P" and the engine must be idling.
• The air conditioning must be switched off.
• The vehicle must stand horizontally.

Information 

The ATF temperature at the start of testing must not be higher than → ATF temperature: 40 grad Celsius  .

1. PIWIS Tester 97180  must be connected. Then call up ATF temperature.
2. Put selector lever in position "P", start vehicle, and leave engine running at idle speed.
   WARNING: Hot fluid

   • Danger of scalding

   → Let the fluid cool down.

   → Wear personal protective gear.

3. Unscrew ATF filler plug -1-  .
   Fig 1: Identifying ATF Filler Plug And ATF Guard Cap

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   WARNING: Hot fluid

   • Danger of scalding

   → Let the fluid cool down.

   → Wear personal protective gear.

   If ATF escapes, the ATF level is OK. Continue with Item 5.

   If no ATF escapes, the ATF level is too low. Continue with Item 4.

   WARNING: Hot fluid

   • Danger of scalding

   → Let the fluid cool down.

   → Wear personal protective gear.

   Information 

   The filler hook of the ATF filling device V.A.G. 1924 00000  must be carefully inserted into one of the openings of the ATF guard cap. Never push the filler hook upwards as the oil guard cap -2-  can spring off upwards.

   Fig 2: Identifying ATF Filler Plug And ATF Guard Cap

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Fill up with ATF using ATF filling device V.A.G. 1924 00000  until surplus ATF escapes at the bore of the ATF filler plug.

   Information 

   On reaching a maximum ATF temperature of → ATF temperature: 45 (C  the ATF filler plug must be closed.

5. Fit ATF filler plug with a new sealing ring.

   Location	Description	Type	Basic value	Tolerance 1	Tolerance 2
   ATF filler plug on automatic transmission	Tightening torque		80 Nm (59 ftlb.)