the belt tensioner is bolted to the engine and there should be a square hole in it at the top to use a 3/8%26quot; drive ratchet into the square hole to pry it over so it loosens the tension on the belt, you might have to get a 2 or 3' piece of pipe that will go over the ratchet handle for extra leverage.How release tension on serpentine belt 1998 olds 88?
there should be a belt tensioner mounted in line with the other pullys on the engine. it might only be about 3 inches in diameter and probably black. your best bet would be to call your local auto parts store and ask them. all it should take is to put a ratchet on the end bolt with the right sized socket and turn it the opposite way that it is putting tension on the belt.
