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Alternator problems?

2593 Views 11 Replies 9 Participants Last post by  Racer704
I have a 99 Eldorado that I replaced the alternator in the fall of 09 with a lifetime warranty re-manufactured one. I had another one go out 2 months ago and now it is acting up again. Do I have some other problem leading to them going out or just having crappy luck with parts?
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You are not the first one with replacement alternator issues.
My second alternator lasted only 10 months (or less than 15K). That's how long it took to wear out the brushes.
It was supposedly OEM brand new. Replaced yet again and this new one (the third alternator) works fine since over 2 years ago or ~50K.

Caution when pouring oil into the engine, everything that spills goes straight into the alternator.
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