4.6 97 expedition was pretty simply people.

i used a coat hanger to feed belt to myself under truck. hardest thing and the last was trying to get belt over alt. i got wifey to slide belt over while i held tensioner back.tensioner was pulled to its max and i still had hard time looping belt over alt. BY MYSELF thou. NEW belt was "tighter" was easier by her doing it. i didnt remove nothing at all,didnt loosen anything....just bent upper radiator hose over a little at times.thats what will be TRICKY when getting ratchet on tensioner...lol

. i SHOULDVE changed tensioner bracket (3 bolts) and pulley but just replaced upper pulley cause it was easy and old. 152,000. gotta do egr now....lol
figured id post this....maybe help someone.