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Replace alternator?

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Old Jun 9, 2024 | 09:52 PM
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Default Replace alternator?

Hey guys, i have an 84 Corvette with 48k on it. Ive replaced so much stuff on it as far as maintenance type things. I really enjoy that kind of thing. My question is my alternator appears to be original, maybe it was rebuilt or something im not 100% sure. Im wondering if i should just proactively replace it? Is it worth it or should i just leave good enough alone? Thanks
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Old Jun 9, 2024 | 10:11 PM
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Originally Posted by Formula350TPI
Hey guys, i have an 84 Corvette with 48k on it. Ive replaced so much stuff on it as far as maintenance type things. I really enjoy that kind of thing. My question is my alternator appears to be original, maybe it was rebuilt or something im not 100% sure. Im wondering if i should just proactively replace it? Is it worth it or should i just leave good enough alone? Thanks
leave it alone
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Old Jun 10, 2024 | 07:41 AM
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I am of the mindset “if it isn’t broken don’t fix it”
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Old Jun 10, 2024 | 09:01 AM
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I agree, leave it. And when it does eventually fail, the parts to rebuilt it are cheap if you're willing to take a couple hours to diy it....
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Old Jun 10, 2024 | 09:08 AM
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Thanks guys! I appreciate the input!
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Old Jun 10, 2024 | 09:33 AM
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Originally Posted by 84 4+3
I agree, leave it. And when it does eventually fail, the parts to rebuilt it are cheap if you're willing to take a couple hours to diy it....
I replaced mine when it failed, but saved the original and rebuilt it to keep as a spare.
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Old Jun 10, 2024 | 10:09 AM
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Originally Posted by NavAir
I replaced mine when it failed, but saved the original and rebuilt it to keep as a spare.

I have yet to find a quality aftermarket replacement for any American car alternator that isn't Chinese junk. I always hold onto originals now and send them out.
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Old Jun 10, 2024 | 02:34 PM
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My '90 alternator failed a couple of years ago at 52K miles. Had it rebuilt at a local shop for about a $100. Just needs bearings and a diode bridge.
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