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How do you tighten the serpentine belt on a 2002 Buick LeSabre 3.8 Liter engine?
Wiki User
∙ 15y ago
If the belt is old it may be stretched to far for the tensioner to pull tight but If the belt is new then it could either be wrong belt or the tensioner spring is faulty. Be sure the belt is on properly if it isn't on one of the pulleys it won't tighten, also be sure you are putting it on the tensioner(you have to pull tensioner using a large wrench or breaker bar and slide belt on to it last,after other pulleys) I know it may sound like common sence but I've had friends who tried putting it on the tensioner first attempting to use the belt to move the tensioner.
Wiki User
∙ 15y ago
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