> Date: Mon, 12 Jan 2004 21:44:41 -0500
> From: andy levy <andy-dml@levyclan.us>
> Subject: Re: DML: Stupid question - how does MY 4WD work?
>
>
> > Here's my truck:
> >
> > 2004 4x4 SXT
> > 3.7L V6
> > 42RLE
> > NV233 HD (part-time)
> >
> > Ok, I understand that the transmission drives the transfer case,
and
> > the rear driveshaft is always engaged, but what about the front
> > driveshaft? I know older systems disengaged the front driveshaft
from
> > the transfer case, and had manual locking hubs. I obviously don't
have
> > manual hubs on mine, but do I have automatic hubs? I presume the
front
> > driveshaft disengages from the transfer case. I guess what I'm
> > wondering is, does my front driveshaft spin even when I'm in 2WD?
>
> You do not have automatic hubs. The only disconnect is the transfer
> case itself. When you flip the switch, it activates a motor which
does
> what the lever on the NV231 did - engage the front driveshaft. When
> you're rolling down the road, your front axles, diff and driveshaft
are
> all spinning.
>
> - --
> - -andy
Andy-
That's what I figured... but if all of the front drivetrain is going
to be spinning anyway, you're losing most of the gains in efficiency
achieved by being in 2WD mode, I would think. In that case, why not be
in "full-time" 4WD mode? I wonder why the full-time transfer case
isn't available with the V6. It doesn't seem to me that a center diff
would rob that much power, especially since you get the 3.92 gears
anyway.
Korey
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