Hello friend in the sub -Uru that you possess is one of a belt or two, here in Chile there are double -leaf subarus, anyway you will have to ask for help since the camshaft fall, the pulleys of the cams The brands remain where I get usually put the crankshaft in position and the strap on the first, then I ppong the cams to move them more easily, then in a Bank compresses the hydraulic tensioner and you put it is not difficult but you will need another pair of hands so that the cams do not move.