This is old but the best I have found for tear down of engine and tran. I was looking for the placement of the Input/Turbine Speed Sensor but no luck.
http://library.docent.isvor.it/uplo...cia Didattica Fiat Ducato seconda fase_GB.pdf
http://library.docent.isvor.it/uplo...cia Didattica Fiat Ducato seconda fase_GB.pdf