Alright, this is driving me crazy. I can not get my new serpentine belt onto this caddy motor. No, unfortunately I did not to the engine swap. If I did, I would probably have no trouble replacing the belt. Also, it is the correct belt size, identical to the one that came off. There is no spring loaded tensioner that originally was on the 4.9L. It has AC, and I believe it is done with the idler pulley from some van (maybe a 93 GMC) on the right side, above the AC. It actually looks like the pic below, but without the tensioner pulley to the right of the alternator.
Normally I would expect some adjustable alternator bracket, but this one is not adjustable. So, are there any tips for getting the belt back on? I tried taking the alternator totally off, to give some wiggle room, but I couldn't get the alternator bolts to line back up through the bracket. The belt was causing to much tension, pulling the alternator down and over more than I could push it back. Should I try pulling off one of the idler pulleys? Is there any trick I am missing here?