I did this mod it works great.
http://www.dieselsite.com/index.asp?...PROD&ProdID=21

 

WOW, the dieselsite changed their product?? I ordered one from them a few months back, but it sure doesnt look like the one they advertise now. This one looks better.

EDIT- looking back at previous posts in this thread, it was in december. post #26.

 

That one does look quite a bit different! I wonder why the change? I guess an email to Bob is in order.

 

I'm with you guys. I'd like to know if something was wrong or faulty in design with the old kind, and if we need to change to this new one to prevent some problem in the future.

Pop

 

I did mine today also. I am a little disappointed with the way it works though. It does shut the water off in "vent, A/C and Max A/C but it also shuts the water off in Bi-Level, the first option to the right of off. Thats the one I use mostly for heating the cab up in the morning.

I think I am going to do away with using the red hose and install a switch on the dashboard to control the vacuum to the water control valve so I can turn it on or off at will.

Steve

 

I wonder if we can get some trade in credit or something if they found a flaw in the old design. I did notice the vacuum pump kicking on more often when I installed the ds valve, but didnt think too much of it since there werent any leaks in the lines.

 

Hmmm, I remember using the white hose.

Why the red?

Pop

 

I also purchased one a while back and it was just an all black plastic valve. I don't remember where I got it from but I am not gettting that ice cold feeling. Maybe I hooked it up to the wrong vacume line???? I need to take another look at it I guess. Maybe even try the manual shut off and see if it makes a difference. Does anyone have a good supplier for the manual valve and does it need the hose fittings on the ends or is it made to just slip on?

 

If I remember correctly Pop (and that is a gigantic IF!!) the white hose cut the flow just for air conditioning settings and the red cut it for vent and air conditioning.

 

I remember the directions said use the white. Doubled checked, and yes, I used the white.

As soon as I get a new vent thermometer, i will see about running some test to really find the difference between this and the $2 manual valve.

 

This is a great mod. I read this yesterday and was thoroughly impressed. so much so that I bought it right away. I'm I beautiflul sunny Southern Ca Yeah,( BS).... Well the weather's nice. It doesn't get to hot here just a couple of weeks in July it hits 100-103 in the day but the mod is still nice to have. Better to have it and not need it, than to need it and not have it. I do go home to Texas quite a bit though and it does get hot there. Whew!!! I'll let yah know how it goes after the install. Thanks you Guys for this mod..Carlos

 

Your $2.00 manual valve gets you what you paid for it....having to get out on a cool summer night because you want a little heat is a pain in the back (if you can even reach it on the side of the road).
I have no problem spending the additional few bucks to have it function automatically.
I am also in the process of installing an A/C compressor cut-off switch for the times I don't wan't the compressor running (like in defrost, floor/face, etc) along with a bi-color LED that will glow green when the A/C is on, and blue when the actual compressor is spinning.

 

Jeremy, have you emailed Bob?

 

The red hose shuts off the water in the Bi-level, vent, A/C and Max A/C. The white hose shuts the water off in Max A/C only. By the way I went to pep boys and bought a heater valve, 6' of 5/8 heater hose and 6' of 1/8" vacuum hose for $25.00. Worth it for me.

 

Yep, I bought that on Monday. It is getting "warmer" here in South Texas, 96F today in shadow. When I jumped to the car after the work 4:30pm, the console showed 115F! And my car has covered parking. Definetely needing this mod into action.