audi at humanspeakers.com
Fri Oct 30 21:43:58 PDT 2015
I didn't say to avoid remans *at all*.
I just wanted more voltage so I tried another regulator.
The reason I bought the reman was my alternator itself had finally died.
On 10/30/2015 10:34 PM, Peter Golledge wrote:
> I second avoiding remans... helped a few folk with reman alts failing in
> not many miles. I've have good luck with both the Hella and URO
> VR/brush units:
> If you are really keen you can split the case, replace the bearings and
> you've got basically a new Alt with some warn contact rings... they seem
> to last over 300k miles this way.
> If the voltage is not what you would like with the new VR you can bend
> up the ground tab, solder a power diode inline to ground and kick things
> up another 0.5 V. Search for Bosch alternator voltage hacks in google.
> Batteries tend to like a bit more volts than the default Bosch output
> particularly after the drop in the bloody long battery cable going back
> to the battery under the seat in the big body cards. :-)
> Check the wiring on the blue field wire while you are in there,
> diagnosed a few "sometimes charges, sometimes don't" back to corroded
> connections there also.
> On Fri, Oct 30, 2015 at 8:07 PM, Huw Powell <audi at humanspeakers.com
> <mailto:audi at humanspeakers.com>> wrote:
> You've done 99% of the work and diagnostics.
> Your brushes are worn out, you need a new VR assembly (or if you
> really want to get gritty, new brushes to solder in).
> About 15 months ago I bought a reman alternator, wasn't happy with
> the voltage, and bought "URO" one, on Amazon I think, which gave me
> .5 volts more.
> I also like to replace the mounting bolts with S/S phillips head ones.
> Your battery is definitely in good shape if you were able to drive
> on it that long, with the lights on! Worn brushes will often
> generate "some" current, though, when they aren't quite completely
> gone yet.
> I'd put a trickle on it to bring it back to a full charge ASAP, though.
> - Huw
> On 10/30/2015 9:14 PM, Christopher Gharibo wrote:
> I have a '91 coupe. I got a low voltage warning as I am about to
> start the car but the car started. The voltage gauge went from
> 10 to 12v.
> As I am driving I noticed the lights are not that bright and the
> voltage gauge reads 10v and is dipping. I got another low
> voltage warning. Somehow I got home and started checking the car.
> Alternator belt is tight. Battery is two years old and has never
> died. I pulled the alternator voltage regulator and the brushes
> have 1/4" and 1/16" length left. Clearly unevenly worn.
> What should my next step be? I am thinking either swap the
> voltage regulator or the alternator.
> Thank you in advance.
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