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12-22-2012, 09:17 PM
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#1 |
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Registered User
Join Date: Jun 2012
Location: okc, OKlahoma
Posts: 483
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Alternator question.
I replaced the alternator in my 82 today bc when i went home last night about half way down the high way all the lights started to dim and eventually shut off then seat belt light and buzzard went off. The new alternator is working good I checked all the wires and the look fine. My question that I have tho is when i took the old alternator to the auto store to get my core charge back they tested it and stated that it passed all their tests but the bearings were shot in it, so if this is the case could the bad bearings cause alternator to not charge the battery? Thanks for the input and advice.
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12-22-2012, 10:25 PM
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#2 |
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Registered User
Join Date: Nov 2007
Location: Sask Canada
Posts: 1,666
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Re: Alternator question.
bad bearings will not cause alternator to charge unless the alternator stops turning.
The alternator in most cases the diode trio and/or voltage regulator is starting to fail. This will happen when it's under load and hot. When it cools it will run as normal or test good.
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Trueman |
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12-22-2012, 10:32 PM
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#3 | |
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Registered User
Join Date: Jun 2012
Location: okc, OKlahoma
Posts: 483
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Re: Alternator question.
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12-22-2012, 10:49 PM
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#4 |
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Registered User
Join Date: Nov 2007
Location: Sask Canada
Posts: 1,666
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Re: Alternator question.
I had one that failed 2 hrs in to a 5 hr trip, stoped for dinner and had to boost to start. Then it was charging ok pulled out and drove the las 2 hrs home with no problems.
With noisy bad bearing will make extra heat in the alt case. When it was core tested it's in a cool state. At this time the internals returned to normal running. It is then just a time thing till they fail compleatly.
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Trueman |
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12-22-2012, 11:20 PM
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#5 | |
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Registered User
Join Date: Jun 2012
Location: okc, OKlahoma
Posts: 483
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Re: Alternator question.
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12-22-2012, 11:37 PM
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#6 |
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Registered User
Join Date: Jul 2010
Location: Janesville, WI
Posts: 664
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Re: Alternator question.
yes its cheap insurance especially with these trucks parts are so cheap
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12-22-2012, 11:40 PM
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#7 | |
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Registered User
Join Date: Jun 2012
Location: okc, OKlahoma
Posts: 483
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Re: Alternator question.
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12-23-2012, 11:41 AM
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#8 |
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Registered User
Join Date: Nov 2007
Location: Sask Canada
Posts: 1,666
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Re: Alternator question.
Yes.
At 40$ its a deal. As you would spend about 25 in parts and 1/2 hr to rebuils your old alt.
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Trueman |
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12-26-2012, 05:26 PM
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#9 | |
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Registered User
Join Date: Jun 2012
Location: okc, OKlahoma
Posts: 483
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Re: Alternator question.
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12-26-2012, 09:28 PM
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#10 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: Alternator question.
its all good that's what I do when I need one swap it out for a reman unit and they last years
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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12-26-2012, 09:47 PM
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#11 | |
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Registered User
Join Date: Jun 2012
Location: okc, OKlahoma
Posts: 483
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Re: Alternator question.
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