Howdy folks. I have a problem. I just got my fan clutch, alternator belt, water pump, and radiator replaced. Now my alternator belt falls off after a day of driving. The other day I was driving. My car starts to over heats so I pull over. See that the belt is off. So I get it towed to the shop. My mechanic puts the belt back on and checks everything out and runs the car for a while everything is fine. I was driving home from the movies and my belt falls off again. Searched couldn't find anything. What do you guys think it is? Any help is appreciated.
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Alternator Belt Falling Off
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This is why we work on our own cars. Honest BMW mechanics are expensive and all the rest treat them like beaters.
I'll concur with the above posts. Cross check the belt part no. and see if you can rock the alternator around in place to check the bushings and make sure the mounting bolts are tight.
The rule of thumb i learned for tightening v-belts is to tighten so that you can move it one or two belt widths (by squeezing the top and bottom half together between the pulleys). It needs to be firm but not pulling really hard against the accessory in question.--Will
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