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#11
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Battery/alternator light on
On 03/12/2012 08:11 AM, Fijoy wrote:
> On Mar 12, 9:22�am, > wrote: >> > wrote in news:634568ae-6662-4b70-93c9- >> : >> >>> Hi all, >> >>> The battery/alternator light came on when I was driving my 1991 Accord >>> today morning. The light goes off when the rpm goes above a certain >>> level: it was 2500rpm in the morning, but when I checked in the >>> evening, it was 4000rpm. I replaced the battery a few months ago, so >>> my first guess was that the alternator is failing, but when I read >>> related posts on this group, I saw that it could be a bad voltage >>> regulator, loose connections, slipping belt, etc. The belt and >>> connections seem fine. How do I determine if it's the alternator or >>> the voltage regulator? >> >> The voltage regulator is inside the alternator. For most people, the >> alternator is a one-piece, replace-the-whole-thing item. Voltage-regulator >> replacement is considered an "advanced" repair. >> >> It sounds like you may just have worn brushes, which is a very easy fix >> that may be done without removing the alternator from the vehicle. >> >> Is this the original alternator that shipped with the car from the factory? >> >> -- >> Tegger > > My mechanic is checking to find out what the problem is. I asked him > about the brushes, and he said that replacing the brushes will require > rebuilding the alternator, which will cost almost the same as getting > a new alternator, given the labor charges. Is he being reasonable? yes. and with the rebuild, you get a warrantee. with brush replacement, if he can even do it, and which can be accompanied by slip ring wear, carbon accumulation and arcing, etc., you don't. > > Thanks, > Fijoy -- nomina rutrum rutrum |
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#12
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Battery/alternator light on
On Mar 11, 9:19*pm, Fijoy > wrote:
> Hi all, > > The battery/alternator light came on when I was driving my 1991 Accord > today morning. The light goes off when the rpm goes above a certain > level: it was 2500rpm in the morning, but when I checked in the > evening, it was 4000rpm. I replaced the battery a few months ago, so > my first guess was that the alternator is failing, but when I read > related posts on this group, I saw that it could be a bad voltage > regulator, loose connections, slipping belt, etc. The belt and > connections seem fine. How do I determine if it's the alternator or > the voltage regulator? > > Thanks much, > Fijoy Thank you all for the responses. My mechanic confirmed that it was the alternator. He found a used alternator did the replaced the whole thing, for a total of $265. He said I should be good for ~2yrs with that used one. |
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