How do you replace the alternator on a 1999 Saturn sl2?

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Huge PITA but it is possible. My alternator for the 4th time quit working last weekend. My dad changed it for me and it took him about 4 hours. If possible, pick up a shop manual available at any auto part store for the car and read. It's in an impossible space to get to, but it goes on a lot faster than it comes off. Good luck!