[V8] 1990 V8q not charging: resolved

[Jason Wilkerson]

It probably is the brushes/regulator.  I literally did mine last night with the alternator on the car - it is hard but doable.  X4 8mm bolts hold the cooling ductwork, then two phillips heads on the regulator - but use a vice grip on them cause you will strip them out.  You will need a 1/4" drive ratchet, 2" extension and a universal, plus you will need a short 8mm socket and a deep well.  Check to make sure that the tab that makes contact on the regulator is clean while you are in there.  If you have done it before it takes an hour, if not maby 1.5hrs.  Good luck.


--- On Thu, 1/8/09, D Morralee <superdaveski at hotmail.com> wrote:

> From: D Morralee <superdaveski at hotmail.com>
> Subject: Re: [V8] 1990 V8q not charging: resolved
> To: "audi fan" <v8 at audifans.com>
> Date: Thursday, January 8, 2009, 8:35 AM
> I'm not sure on the V8,  but with my 5000 CD qt 87
> I'm able to change the Voltage Reg while the alternator
> is in the car . This can save you alot of time. If you can
> remove the two small screws from the back of the alternator
> that holds the VR in ...it can be a 20 min job.  
> Make sure to get the correct VR for the alternator 14V or
> 14.5V. ( 20-40$ )
>  
> superdave
> 93 V8 4.2 
> 87 5000 CD qt 
> > From: ekellock at gmail.com> To: v8 at audifans.com>
> Date: Wed, 7 Jan 2009 19:21:48 -0700> Subject: Re: [V8]
> 1990 V8q not charging: resolved> > Voltage
> regulator.> > > > -----Original Message----->
> > From: v8-bounces at audifans.com > >
> [mailto:v8-bounces at audifans.com] On Behalf Of Ed Kellock>
> > Sent: Tuesday, January 06, 2009 6:05 PM> > To:
> 'q - V8'> > Subject: [V8] 1990 V8q not
> charging> > > > > > Alternator indicator
> light does not come on when ignition is > > turned
> on.> > > > I get the same voltage I get at the
> battery itself everywhere > > else, the jump post in
> the engine compartment, the lugs on > > the side of
> the frame rail, and the CC head.> > > > I ohmed
> the exciter wire and got 66. The book says 140-160.> >
> > > But the book says no alt light could mean bad
> regulator. > > That appears to be a higher order
> troubleshooting step.> > > > I have a spare, new
> regulator for my 91 Avant. I'm hoping > > it's
> the same one.> > > > Too cold to do any more
> tonight.> > > > Any ideas/input is welcome.>
> > > > Thanks,> > Ed> >
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