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What causes a v-belt system on a 1985 Buick LeSabre with a 307 to squeal till it warms up then quits then squeals again when you turn on any electrical?
Wiki User
∙ 13y ago
Sounds like the alternator belt is loose and needs to be adjusted. With the engine off push down on the belt and see if it moves more than half an inch in the middle between two pulleys. If it does, it is too loose and needs to be tightened. You can tighten it by loosening the top bolt on the alternator and prying it away from the engine until the belt is tight. Hold it in place and retighten the bolt on the alternator. You may need to replace the belt if it has been loose too long or shows signs of cracking. If the belt looks ok but has a glaze on the part that touches the pulleys, you can use a standard bar of hand soap to lubricate the belt.
Wiki User
∙ 13y ago
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