One is the auto box the other is the transfer box iirc and they are open no flapper valve or anything like that to stop the water getting in. The other potential point of entry is if the o-ring where the dipstick shaft fits into the oil pan isn't very good or the seal on the dipstick itself.Are the auto gearbox breathers the pair of pipes that appear on the side of the gearbox dipstick?
Fingers crossed a few more fluid changes see's her right Gary. I forget how many it took to make mine happy but it was quite a few and each one improved things. The colour of the fluid is probably a good guide to how pure it is. Might be worth squirting some ACF-50 or similar down the 'kick down' cable if there is one on a petrol(?) I didn't on my diesel and the cable went rusty, sticky and needed changing.
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