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'90 'bird alternater probs

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Old Jan 17, 2007 | 01:03 PM
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RICEKLR's Avatar
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'90 'bird alternater probs

ive been having alternator problems ever since ive had my car. my first one was making these weird noises that sounded like my bearring (however you spell it) is broken. then out of nowhere my belt is nowhere to be found and my alternator is missing a few of those little blades in the front. so i got a new alternator and about a week later it starts making the same noise. ive been lucky for a while for not having to replace this one yet. when i would ask techs, none of them could tell me why they would make that noise. so i was wondering if any of you guys have had this problem before... any ideas?
im thinking a pully kit maybe?
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Old Jan 17, 2007 | 02:40 PM
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From: BFE, OR
Car: 1991 Firebird
Engine: 305 TBI
Transmission: Stock
Axle/Gears: Stock
I had the same problem. Where did you buy your alternator from??? I went through 5 alternators that were all purchased from (Schucks, Checker, Kragen, all the same place) Then I purchased my last one from a local battery shop and it has been fine ever since. The above mentioned company has had a history of just fixing what is bad on the alternator and then selling them as rebuilt. This is just my past experience. I had the same problem on my 87 camaro using an alternator from the same place. Of course I am not badmouthing them they are still a decent place to buy parts at a good price
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Old Jan 17, 2007 | 05:23 PM
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im not sure where the first one came from because it was in the car when i bought it. the one i have now is from o'reilly and it is rebuilt. you think a pulley kit might help take stress off the alternator? or should i just buy a brand new one...?
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Old Jan 17, 2007 | 09:51 PM
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From: Winnipeg Manitoba Canada
Car: 92 trans am/ 93 dodge spirit V6
Engine: L98 V8 - 350
Transmission: TH-700-R4
Axle/Gears: 3.23
i just shopped around abit, asked some people, and i found a good little shop that rebuilds alts. i got it for cheep, about 180 canadian and it has a 2 year waranty. look for those places, they are small and like to keep there rep. going new is also a good idea, hitachy makes good alts and starters
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sorry, hitachi

Last edited by dave-92gta; Jan 17, 2007 at 09:54 PM. Reason: Automerged Doublepost
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Old Jan 18, 2007 | 10:54 PM
  #5  
l_dis_travlr's Avatar
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From: League City, TX
Car: 90 Formula -- tot resto in progress
Engine: 350
Transmission: 700R4 w/ 2500 stall, by Owen @ ARD
Axle/Gears: 3.23 posi disc


And a good shop can also option higher output components.
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Old Jan 20, 2007 | 09:37 AM
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From: Adrian, Mi
Car: 1989 Camaro
Engine: 350 but it's torn down right now.
Transmission: 700r4
Axle/Gears: I'm working on it,lol.
Have you watched the belt while the car was running to make sure the tensioner pulley wasn't bouncing off the serpentine belt? And are you sure the belt is properly aligned with the grooves of the belt in the pulley grooves? Any of these things could cause a problem. I'd be more inclined to believe one of these things is your problem before believeing that the alternators were the culprit. With the belt off you should also check to see if any of the pulley's are loose, bent or wobbly. Just my
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Old Jan 20, 2007 | 02:22 PM
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RICEKLR's Avatar
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yeah, ive watched it before when the car was runnin. and i dont remember any of the pulleys being loose when i checked. i didnt even think to check the belt alignment in the grooves. ima go check that out and ill let yall know whats up
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Old Jan 22, 2007 | 02:38 PM
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From: Adrian, Mi
Car: 1989 Camaro
Engine: 350 but it's torn down right now.
Transmission: 700r4
Axle/Gears: I'm working on it,lol.
We'll be waiting.
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Old Jan 22, 2007 | 04:33 PM
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well...i checked the belt lining and it was good, but i did notice the waterpump pulley is wobbley, so ill have to get that fixed
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Old Jan 26, 2007 | 07:00 PM
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iroczracer07's Avatar
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From: Adrian, Mi
Car: 1989 Camaro
Engine: 350 but it's torn down right now.
Transmission: 700r4
Axle/Gears: I'm working on it,lol.
That might be enough to do it. Replace the water pump and see if the problem persists. Let us know.
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