Date: Sun, 1 Jan 2017 18:33:15 -0800
Reply-To: Alistair Bell <albell@SHAW.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Alistair Bell <albell@SHAW.CA>
Subject: Re: Delay on charge/o2sensor indicators after starting..?
In-Reply-To: <CAHTkEuKKUd-G=hWK_SdL6ZYV9CHSXWXM_86fByeM=_LjUMRrOg@mail.gmail.com>
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Don,
I agree with Stuart about you needing higher voltage. Did you measure at alternator or at battery? 13.6 is in my opinion too low to keep the battery adequately charged.
I don't know about your o2 sensor light wiring, but the alt light is fed so to speak by th blue wire from alternator. Sorry but can't recall terminal designation off hand. Check connections for that wire, and I bet you have a connection in it, somewhere in the engine compartment. Check that connection.
Replacing the brushes and voltage reg combo pack is dead easy, two Phillips headed machine screws is all that holds it in on the front end of the alternator.
Alistair
> On Jan 1, 2017, at 2:09 PM, Don Hanson <dhanson928@GMAIL.COM> wrote:
>
> 84 Digifant (inline) with previously correct behavior ..
> I know it's normal for these two lights to remain illuminated until I
> rev the engine and activate the alternator... The present alternator is
> perhaps 3yrs old...maybe 60 k miles. I've replaced it one time, and I may
> have installed new brushes in this one at some time past... can't recall if
> it was this one or the last one. I also recently re-tensioned the one
> belt...no power accessories..and I have a new belt expected any day, not
> bad, the current belt, but I think it is time...Anyway, everything is fine
> in the belts, the waterpump and the alternator bearings, I checked when I
> tightened the belt...But this afternoon after a day of no driving, I fired
> it up...normal cranking, no squeal, but the two indicator lights remained
> on as I drove off... I saw right away and blipped the throttle and the
> charging system kicked right in...But that is NOT something I like to
> ignore, since I may soon be heading back north through winter Nevada and
> Oregon...
> So...What should I check? I have some new brushes with me, but I'd
> rather not remove the alternator here...In the desert sand....I will be
> putting on the new belt when it arrives... I'm reading the usual charge
> voltage, same as ever, at the coach battery 13.6v at idle... Anything
> else I should check that might cause a "sticky" charging system? A relay,
> or something? I've got lots of those under my seat..😃.
> Otherwise, once I fixed the missing expansion tank rubber grommets, to
> keep the fuel dry, the van has been like a champ thanks DH
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