[Vwdiesel] Re: Car runs hot with bra on. Take it off.

[Derek]

That I can do.  Will let you know !!


----- Original Message -----
From: "Val Christian" <val at swamps.roc.ny.us>
To: "Derek" <weasel1 at sympatico.ca>
Sent: Thursday, December 02, 2004 11:18 AM
Subject: Re: Car runs hot with bra on. Take it off.


> Then look at the voltage drop across the fuse.  See how the drop varies
> with fan cycling.
>
> Val
>
> >
> > I can definitely check for the voltage drop, but current I can't.  My
meter
> > will only go for 10A.  I had a CB in there before, but stopped using it.
> > For some reason, my fans seemed to work less than with a fuse in there.
> > Fuse would blow only so often, CB, damned near daily for a bit.  Fuses
> > seemed to hold out for a bit longer.  Maybe I just need a higher rated
CB.
> >
> >
> > ----- Original Message -----
> > From: "Val Christian" <val at swamps.roc.ny.us>
> > To: "Derek" <weasel1 at sympatico.ca>
> > Cc: <vwdiesel at vwfans.com>
> > Sent: Wednesday, December 01, 2004 1:06 PM
> > Subject: Car runs hot with bra on. Take it off.
> >
> >
> > > I can't specifically address your head issue, but I had something
similar
> > > happen one summer on my 91 Jetta.  The car was stopped, and the AC
> > running.
> > > The overpressure blew on the dryer, which resulted in a new dryer,
evac
> > and
> > > recharge.  I already had 30# of R-12, but if you had to buy R-12 at
> > today's
> > > penalty prices, it would be expensive.   Oh, when it blew, it was a
great
> > big
> > > cloud of mist and oil, on a sticky hot day.  Fun fun.  I was not a
cool
> > cookie
> > > driving home.
> > >
> > > Just guessing...but look for a voltage drop on the power to your fan.
> > > That could increase the current draw.  Your bushings/bearings in the
fan
> > > could also be getting sticky.  The increased sticksion (I think that
is
> > really
> > > a term (u(s) - u(k)) ) could also convert into a higher startup
> > > current.
> > >
> > > I'd consider replacing the blade fuse, with a blade CB, like used for
> > > headlights.  At least it'll try to come on.  If you have an inductive
> > > ampmeter for DC, I'd look at the peak current and the average current.
> > > My guess is that the average current is getting high, and cycling
> > > the fan with a high startup current and who knows what else, is
> > > causing the fuse to get warm.
> > >
> > > The fans are different.  My A2 uses a different fan (housing at least)
> > > than the A1 fan I pulled off of one of my A1 Rabbits.
> > >
> > > Good luck.
> > >
> > > Val
> > >
> > >
> > > >
> > > > I know that I have mentioned this in the past, but it appears as
though
> > =
> > > > my problem has reared its ugly head again.  Occasionally, but not =
> > > > always, the rad fans blow a fuse ( the one near the coolant
bottle ).  =
> > > > Today was a bad day, apparently with an unknown blown fuse again, my
=
> > > > wife headed off to work.  Well, I still haven't taken the bra off
and =
> > > > its snowing quite a bit.  I guess enough caked on to block the
airflow =
> > > > and this started to overheat the car.  She pulled off, let the car =
> > > > settle and called me.  Now the bra is in the trunk and there is a
new =
> > > > fuse in it again.  I just hope it didn't toast the head gasket, but
it =
> > > > seems to be ok so far.   My guess is that because the fans are old,
that
> > =
> > > > the start-up current on the motors is a bit higher than it used to
be.
> > =
> > > > Normally, I would even think of putting in a higher rated fuse, but
was
> > =
> > > > contemplating this.  Is there a higher one for those blade fuses ?
If =
> > > > not, I guess I should think about new fans.  I don't want VW ones
again,
> > =
> > > > too much $$$.  I was thinking aftermarket or stealing ones from a =
> > > > wrecked car.  Ones from a wrecker could have questionable
performance
> > ( =
> > > > as mine do ) so that's a gamble, so I am leaning towards
aftermarket.  =
> > > > Any ideas that won't cost a small fortune ?
> > > > _______________________________________________
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> > > > Vwdiesel at vwfans.com
> > > > http://www.audifans.com/mailman/listinfo/vwdiesel
> > > >
> > >
> > >
> >
>
>