Indeed looking into this in more detail I find the rear seal is located in a cover at the rear of the engine..whether it can be removed or got at to replace the seal is another question..:chin:
http://212.187.114.126:7080/navi?CO...INT_MODE=0&EPER_CAT=SP&GUI_LANG=3&WINDOW_ID=1
http://212.187.114.126:7080/navi?CO...INT_MODE=0&EPER_CAT=SP&GUI_LANG=3&WINDOW_ID=1