How to change the serpentine belt on a 1997 buick skylark?

there will be one pulley that will loosen up and allow you slack to take off the old one and in stall the new one. usually it is the alternator. there should be a picture under the hood to show you how to route the new belt. then tighten the belt by tighentening the slack on the alternator ( if it is the pivot pulley) and using a pry bar or a bar of some sort tighten the belt up and while holding pressure tighten up the bolts on the alternator. don't over tighten the belt or you ll be replacing a pulley in a few weeks.How to change the serpentine belt on a 1997 buick skylark?
First you need to buy a serpentine tension release tool. A standard wrench will not work well. Once you have the tension released from the belt it will slip off of the pulleys. There is a diagram of the belt installation under the hood. Follow these instructions to install the new belt.How to change the serpentine belt on a 1997 buick skylark?
there should be a belt tensioner, you should be able to pull up on the belt and see it move, most of the time there will be a 3/8 square that you can put a ratchet in, push the direction that will release the tension, when installing the new belt i find it easier to put the belt over the alternator last because you'll have to do it while pushing the tensioner

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