Quote:
Originally Posted by madmac
i changed my transmission oil to the recommended syn-tech 75/90, but now it is stiff in the mornings until it gets warmed up. is there a lighter option?
i have no idea what fluid was in it in the first place, or miles on it, but it was smooth shifting regardless of temperature.
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Most likely, the oil you drained was the factory oil. I don't know who "recommended" that oil, but I would suggest you do a search on the topic as Porsche is well known for using a unique gear oil that is manufactured to their specs, which no one in the aftermarket offers. You might be surprised at how many attempts at using aftermarket gear oils end up in our shop to be switched back to the factory fill due to shifting issues, noise, etc.