good people
i just replaced my water pump (day and half. never again i hope!) and now my belt is too loose. i had three different writeups from this site, on the procedure taped to the wall and followed them as much as possible.
ive reassembled everything and for some reason theres no belt tension. ive turned the adjusting nut all the way one way and all the way the other but no change. it was working fine before i removed it.

can someone definitively tell me about the long adjusting nut. is it supposed to be "mounted on" the backing plate so that adjusting it moves it relative to the backing plate, because mine just kinda seems to be sticking through the hole. which begets my question; how does it them adjust tension if it isnt pulling/ pushing on anything.

also, i dont see this arrow/ mark/ pointer that everyone seems to be mentioning. is it on the pulley, body of the tensioner, somewhere else???

id appreciate any advise. thank you.
im perusing the results for a search on "300e belt tensioner" as we speak, but i dont have time to go at this again. i absolutely have to be home by friday, im 400 miles from home in a borrowed garage and dead broke. thank you.

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'O=00=O'
bmw 2002.
long live the legend