Changing ATF

WM 370255 Changing ATF








Information

Notes

Note
Fill only with ATF approved by Porsche. See Spare Parts Catalogue.

Note
Hot vehicles should cool down before beginning the activity.

Note
Vehicle must be horizontal in order to be filled and checked.

Technical values





Preliminary work

Preliminary work
1. Raise the vehicle at the prescribed jacking points.
2. Remove the underbody panels.
3. Place oil collection pan under the transmission.

Changing ATF

Draining ATF

Caution
Oil fill level too low
^ Risk of damage to components

--> Do not start engine.
--> Do not tow the vehicle.

Warning
Danger of scalding and chemical burns from hot ATF

--> Allow ATF to cool down
--> Wear personal protective gear (goggles, gloves)

1. Unscrew the drain plug -1- and drain the ATF.





2. Replace sealing ring for drain plug and tighten screw. --> Tightening torque: 22 Nm (16 ftlb.).

Topping up ATF

Caution
Oil fill level too low
^ Risk of damage to components

--> Do not start engine.
--> Do not tow the vehicle.

Note
To undo and tighten the cap nut for the charging valve, counter with a ring wrench!

1. Unscrew control screw -2-.





2. Screw off cap nut -1- for the charging valve.





3. Screw connection hose 95071 onto charging valve.





Warning
Danger of scalding and chemical burns from hot ATF

--> Allow ATF to cool down
--> Wear personal protective gear (goggles, gloves)

4. Top up ATF via the charging valve until ATF runs out at the control bore.

Checking and topping up the 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: 40 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.
^ 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.

Note
The ATF temperature at the start of testing must not be higher than --> ATF temperature: 40 gradCelsius.

1. Connect the PIWIS Tester 97180 and call up the ATF temperature.
2. Put selector lever in position "P", start vehicle, and allow engine to idle.
3. Top up ATF via the charging valve until ATF runs out at the control bore.
4. With the brake pedal pressed, change through all selector lever positions, remaining in each position for approximately --> Time: 10 s.

Warning
Danger of scalding and chemical burns from hot ATF

--> Allow ATF to cool down
--> Wear personal protective gear (goggles, gloves)

5. Top up with ATF again via the charging valve until ATF runs out at the control bore.

Subsequent work

Reworking
1. Unscrew connection hose 95071 from ATF - charging valve.
2. Replace sealing ring for cap nut and screw on cap nut. --> Tightening torque: 30 ftlb.
3. Replace sealing ring for ATF control screw and screw in ATF control screw. --> Tightening torque: 16 ftlb.
4. Fit underbody panels.
5. Lower the vehicle.