Replacing the alternator - need help?

[kanadoos]

Can anyone tell me how to remove the accessories belt (serpentine belt)? How do I relieve the tension in the belt so that I can remove the alternator?

thanks for the help.

 

[AllanD]

Some of the tensioner arms like that on my 4.0
have a 3/8" square drive so you can turn it with a ratchet.

There is usually a little pictogram on the radiator support telling you which way to move it as well as belt routing.

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[4x4RangerGuy]

You can also just pick up a serpentine belt tool. I got one for $15, came with the wrench, and extension, and 6 different sockets for various tensioners. It comes in a handy a lot.