All right according to the info in steps 25/26 of reassembling the transmission, the mating faces must be dried and the mating face that houses the transmission innards such as the diff, must have a bead of anaerobic sealer applied evenly on the face with a diameter of 2mm. The transaxle can then be sealed back together using the 16 bolts working diagonally with them all being torqued to 32Nm.