voltage regulator

[Bernie Benz]

Regulators usually last until its brushes wear out, mine going strong  
at 230K.
The ECU should maintain idle speed thru the ISV. Lights may dim at  
idle speed.

On Dec 6, 2010, at 11:10 AM, robert weinberg wrote:

> thanks,
>
> how long do the regulators last usually? i thought the alternators  
> themselves
> were pretty stout?
>
> regardless, the light shouldn't dim and the engine shouldn't  
> stumble when the
> aux fan kicks on, right?
>
> i'll get a voltmeter and test.
>
> Robby
>
>
>
>
> ________________________________
> From: "Schaible, David" <David.Schaible at jrspharma.com>
> To: Bernie Benz <b.benz at charter.net>; robert weinberg  
> <centaurus3200 at yahoo.com>
> Cc: 200q20V mailing list <200q20v at audifans.com>
> Sent: Mon, December 6, 2010 11:04:40 AM
> Subject: RE: voltage regulator
>
> You should also verify with good multimeter, my dash gauge often  
> read below
> actual voltage, if you rehab the instrument cluster it usually  
> fixes this and
> other issues.
>
> Maintaining clean connections to fan and headlamps is always a good  
> idea,
> especially with euro lites, brighter bulbs etc.
>
>
>
> David Schaible
> JRS Pharma LP
> 2981 Rt. 22
> Patterson, NY 12563
> 845.878.8343
>
>
>
>
> -----Original Message-----
> From: 200q20v-bounces at audifans.com [mailto:200q20v- 
> bounces at audifans.com] On
> Behalf Of Bernie Benz
> Sent: Monday, December 06, 2010 1:56 PM
> To: robert weinberg
> Cc: 200q20V mailing list
> Subject: Re: voltage regulator
>
> Normal at idle speed.
> Go to the Bosch web site. Should be listed for stock alternator.
>
>
> On Dec 6, 2010, at 10:38 AM, robert weinberg wrote:
>
>> the volt meter on my car has usually been around 12.75 volts with
>> the lights off
>> - but with the lights on, we are talking about less than 12.5 -
>> then when the
>> aux fan kicks in while the lights are on, it sometimes dips for a
>> split second
>> below 12 volts. the headlights dim and the engine rpms drop below
>> idle.
>>
>> i'm assuming this isn't normal ;-)
>>
>> question is this usually a symptom of a worn voltage regulator? or  
>> the
>> alternator - i hope it's just the regulator.
>>
>> if so, which one is for my car - the 28mm or the 32mm? and has
>> anyone tried
>> these units? my friend has one on his 4000q and says they work  
>> great -
>> especially because they are adjustable:
>>
>>
>> This is the 32mm one
>>
>> http://cgi.ebay.com/ebaymotors/Voltage-Regulator-Bosch-Alternator-
>> Audi-Mercedes-VW-
>> _W0QQcmdZViewItemQQhashZitem35ae444e15QQitemZ230556978709QQptZMotorsQ 
>> 5
>> fCarQ5fTruckQ5fPartsQ5fAcce
>>
>>
>> This is the 28mm one
>>
>> http://cgi.ebay.com/ebaymotors/Voltage-Regulator-Bosch-Audi-Porsche-
>> Mercedes-VW-73-93-
>> _W0QQcmdZViewItemQQhashZitem4cf37898a4QQitemZ330502281380QQptZMotorsQ 
>> 5
>> fCarQ5fTruckQ5f
>>
>>
>>
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