[Shotimes] Hissing in passenger compartment.

[Justin Schick]

George,

Great info, thanks for sharing. Could you expound on the vacuum lines
for the cruise control? Specifically, where they come from and where
they go to? I don't have any hissing but do have what I believe to be a
vacuum problem of some kind. My cruise doesn't work. Also, on the
highway with the A/C on, if I give it more go pedal (put the engine
under load / take vacuum away from it), the cold air will be directed
from the vents to the defroster. Get back out of it and it'll come back
to the vents.

Anyone have an EVTM for sale?

Justin 
'92 SHO in KC MO, 190k and counting
SHOTimes list info: http://www.shotimes.com/SHO1.html


>>> "George Fourchy" <krazgeo@jps.net> 06/10/03 01:06AM >>>
On Mon, 9 Jun 2003 20:43:54 -0500, Paul L Fisher wrote:

>I believe I have a vacuum leak somewhere under my dash. Any clues as
to
>where to start looking?

In the center, it's the climate control system.  Down by the pedals,
it's the cruise
control.

If you have EATC, the vacuum soure for it goes through the very center
of the top of
the firewall, from the engine side to the EATC side.  It is a small 1/8
inch black
line, that goes to the EATC.  There is a connector just before it goes
into the
firewall.  From the EATC's rear side, a group of colored lines about
the same size
branch out and go to the various vacuum loads.  Pull out the EATC head
and check the
various lines in the back.  They all plug into it via a single plug
that they all go
into the center of.

This would be a good place to start.  If you have the simple manual a/c
controls,
they should be easy, too...but I have never been behind a dash that has
that system.

George