Boxster S (987) F6-3.4L (2008)
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Automatic transmission drain and filler plugs
2. Move selector lever to position P and allow engine to idle.
3. With engine running, add more ATF again until excess ATF emerges from the bore of the ATF filler plug.
4. Inspect and if necessary add ATF.
5. Replace sealing ring for ATF filler plug and tighten screw.
Subsequent work
1. Fit support plate.
2. Lower the vehicle.
