Most common is the cooler lines leaking. Clean the area and look for the source. My trans got replaced due to leaks.
Leak in DCT
I had my first track day with the car last week and put the car up on the lift to check it over and noticed leaks on the tranny. I have just over a 1,000kms on the car now. It appears to be leaking all along the seam circled as well as the cooling line tube. I wiped everything dry and will check tomorrow to see if it starts leaking along the seam again. It also appears to be leaking around the engine oil drain plug.
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I have an update to this situation with the leak. I managed to wipe off the oil all over the transmission over the past couple of days. Topped off the DCT fluid and went for a drive for 10 minutes expecting to be able to determine the source of the leak. Put the car back on the lift and there wasn’t any signs of leaks at the seam or the cooling lines. There was fresh oil dripping down the back of the oil pan on the passenger side. This could have been dripping and spraying I. The wind on the transmission leading me to think that is were it is coming from.
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