Porsche 911 Carrera S slips between gears on the highway, anyone seen this?
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Last Friday I was coming back from a weekend trip and something happened that I still cannot get out of my head. I own a 2012 Porsche 911 Carrera S with the automatic gearbox, and while I was overtaking a truck at about 120, the engine suddenly revved higher for a second or two, but the car did not speed up the way it should. Then it caught again and everything felt normal. My heart was racing, I will be honest. Since then it has happened one more time, only on the highway and only when the car is warm. In the city it feels perfect. My brother says it is just the car being sporty and downshifting late, but I have driven this car for two years and it never did that before. A friend of mine who owns a Boxster told me it could be old gearbox oil, or maybe a worn part inside that needs checking early. I did not want to just guess, so I read about it one night and opened a page about Porsche cars on a Sharjah website to understand how the gearbox, the oil and the clutch parts work together and why slipping can show up only when the car is hot. It was easy to follow and it helped me understand what my friend was saying. Another guy from my office told me to look for a Porsche automatic transmission workshop in Al Qusais Industrial Area 5 because he said a few places there only deal with German gearboxes, but he could not remember a name. I would love real opinions before I book anything. Is slipping only on the highway a small warning that can be fixed early, or does it usually mean the repair is already big? Should I stop driving it fast until it is checked? Can a garage tell me the real condition with a scan and a road test, and should they show me the results on paper? And is it better to try an oil service first, or could that make an old gearbox worse? If this happened on your Porsche, please tell me what the cause was and roughly how much it cost you. Thanks for reading.