Question about 1978 Chevrolet Caprice
My alternator belt broke and I need a diagram to install a new one.
I can't send you a diagram,but it's not too hard to explain. Loosen off the alternator first. Two bolts, one you can see that goes through a bracket on the engine and another that is directly under that bolt on the bottom of the alternator that goes into the engine. Fit your new belt over the fan first, one blade at a time and on the pulley. Run the belt down to the bottom crankchaft pulley and then across to the alternator. Before you tighten the belt make sure that all 3 pulleys are in a straight line when you look from the side. If not move them so they are. Take a long screwdriver and put it in the hole on top of the alternator bracket and pry the alternator over so the belt is snug and a little bit more. Tighten the top bolt first,but be careful because it can strip the threads. Then tighten the bottom bolt.You will probably have to retighten it after a few days because the belt will stretch. If the belt squeals when you start or rev the engine then it needs to be a little tighter. If you strip the top bolt, just take it out and find a smaller one with a nut and washers and use it with the washers on the front to keep the new bolt from pulling through the bracket. Hope this helps.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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