hi there; picked up my first landy last week and what a delight it has been its a 1993 2.5tdi hard top and all i can say that it is super smashing great so much so iam trying to talk the wife round to buying one,(STATION WAGON) that is. can anyone tell me when the timing belt should be changed there is 69000m on her and how much it should cost or if i you could tackle it yourself