If by "to the back of the vehicle" you mean near the back wheel, you need
to pull off a brake drum and look at the wheel cylinder.
  The clutch slave cylinder is near where the engine joins the
transmission.  Is there evidence of leakage there?

DOT 3 is fine.

Larry A.

On Mon, Dec 8, 2014 at 11:21 AM, T Collins <tonycollin@gmail.com> wrote:

> Hello list,
>
> I have been loosing a considerable amount of brake fluid. I have found some
> in the cabin in the form of moisture around the pedals and rubber floor mat
> that appears oily and humid. This was only noticed upon refilling of the
> reservoir and the drop of temperature to the freezing point.
>
> Before that, no apparent loss was noted in the cabin, *however to the back
> of the vehicle  and on the passenger side there was a considerable
> drip/puddle*
>
> *This is where I think most of it is going!*
>
> I think these point to both the master and slave cylinders being toast. now
> some questions
>
> 1) I have been using dot 3 brake fluid, Should I use dot 4?
> 2) are these mixable?
> 3) should there be a clamp on the hose connected to the top right of the
> master cylinder reservoir bottle?
> 4) should said hose look like the old fashion VW cloth braided hoses?
>
> Aside from the obvious (get this fix quick) should I be looking at anything
> else?
>
> Thanks,
> T.
>