What actually dies in the alternators? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-15-2005, 11:56 PM   #21
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alrite, i need a new alt. 160 + where can i get a good one but somewhat cheap, i know i will have to put out some money but i need info!! 2002 bonne non-SC.
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Old 02-16-2005, 12:21 AM   #22
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With auto tensioners, bearing failures should be a rarity.

9 times out of 10 the brushes wear out. It'* a real simple job to replace them.

I checked the alternator in my Firebird this winter and found the brushes were almost worn out....after just 10,000 mi....so I changed them. Cost me $5.00.
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Old 02-16-2005, 09:23 AM   #23
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Quote:
Originally Posted by 2000SilverBullet
I checked the alternator in my Firebird this winter and found the brushes were almost worn out....after just 10,000 mi....so I changed them. Cost me $5.00.
Well, now I know the reason why many people here get that "Lifetime" Alternator at Autozone(or other chain) and it fails a few months later. They bring in their "failed" alternator, the rebuilder replaces ONLY the brushes( that cost him a dollar), the alternator goes back on the shelf, out the door, and that newly "rebuilt" Lifetime Alternator fails again 10,000 miles later. I'd rather pay a few bucks more and buy a rebuilt alternator from a source that I know replaces ALL the necessary guts of the alternator(bearings, brushes, regulator, et al) with a 90 Day Warranty and not have to replace it for 5 years(or more) than getting a "Lifetime" Alternator and have to replace it in less than 3 months!
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Old 02-16-2005, 09:32 AM   #24
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Quote:
Originally Posted by itsnitro
alrite, i need a new alt. 160 + where can i get a good one but somewhat cheap, i know i will have to put out some money but i need info!! 2002 bonne non-SC.
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Old 02-16-2005, 09:55 AM   #25
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ok, then, but it doesnt have b'villes, it has GP, can we use those?? i dont know how much their engine is the same as ours...
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Old 02-16-2005, 01:13 PM   #26
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[quote="itsnitro"]ok, then, but it doesnt have b'villes, it has GP, can we use those?? i dont know how much their engine is the same as ours...[/quote

the engine that is in the GP is exactly the same, with different mounts
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Old 02-17-2005, 12:14 AM   #27
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Quote:
2000SilverBullet wrote:
I checked the alternator in my Firebird this winter and found the brushes were almost worn out....after just 10,000 mi....so I changed them. Cost me $5.00.


Well, now I know the reason why many people here get that "Lifetime" Alternator at Autozone(or other chain) and it fails a few months later. They bring in their "failed" alternator, the rebuilder replaces ONLY the brushes( that cost him a dollar), the alternator goes back on the shelf, out the door, and that newly "rebuilt" Lifetime Alternator fails again 10,000 miles later. I'd rather pay a few bucks more and buy a rebuilt alternator from a source that I know replaces ALL the necessary guts of the alternator(bearings, brushes, regulator, et al) with a 90 Day Warranty and not have to replace it for 5 years(or more) than getting a "Lifetime" Alternator and have to replace it in less than 3 months!

I have the original Alternator. It'* 25 years old and has 93,000 on it. All I have ever replaced is the brushes. Heat, excessive load and overtensioning the belt is what kills the electronics and bearings. If you can control those variables, you will only ever have to replace the brushes. That was my point.
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Old 02-17-2005, 09:12 AM   #28
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alrite thanks 1993SLE
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Old 02-17-2005, 09:34 AM   #29
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Quote:
Originally Posted by itsnitro
ok, then, but it doesnt have b'villes, it has GP, can we use those?? i dont know how much their engine is the same as ours...
Email or call him.
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Old 02-19-2005, 07:00 PM   #30
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Quote:
Originally Posted by 2000SilverBullet
I have the original Alternator. It'* 25 years old and has 93,000 on it. All I have ever replaced is the brushes. Heat, excessive load and overtensioning the belt is what kills the electronics and bearings. If you can control those variables, you will only ever have to replace the brushes. That was my point.
I see your point. I was just commenting on those unscrupulous alternator rebuilders out there that just replace the One Part that failed and sell it again only to see it come back again a few months later because another part failed!
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