Question Roland I have a dodge dakota pickup 1996, The alternator is charging fine, but it is starting to make this low winding sound, that I know is going to get worse. I know what bad bearings sound like, this dont sound like that. What do you think? When the bearings are going bad in these dodge alternators do they wind, Or are they more of a grinding sound? Or is this the sign of something else going in the alternator? Because I want to buy a rebuild kit with bearings.
Answer Hi Jerry,
I would guess that it is bearing noise because I don't know any other cause of such noise unless the bearings were rough. The rpm of the alternator is higher than a wheel bearing would be turning so that is why I doubt it would be a grinding sound when it first begins to wear out. Later in the process it might grind.
I haven't tried to re-build an alternator, rather I take them to a alternator/starter motor rebuild shop and have the 'experts' do the rebuild. I hadn't heard one could buy a rebuild kit so don't know how that will work out for you. If it comes with good instructions it should be OK.
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