[302 Z28]

Having a problem with the hot water control valve in my Vintage Air Gen II system. The picture shown is the original supplied valve with the system. It was replaced after it refused to close properly when switching from hot to cold. Now the replacement valve is doing the same thing. I have called Vintage Air to complain and we have checked the temperature control slide to make sure it is going all the way to cool to no avail. Per their suggestion I went ahead and replaced the temp control slide switch which did not help Their other suggestion is to replace the valve$$$$.......again . I am very reluctant to spring for the bucks to buy another one of these POS valves.

Here is the deal. once I move the temp lever from heat to cool I then must stand on my head under the dash to physically move the valve the additional 1/8 turn to fully closed before my AC cools.

Is anyone else with one of these systems having the same problems?

Vince

[Joe G]

Here are some of the problems I have seen with those servo water valves that could cause a condition like you are describing:

1. They are directional. If installed backwards they do not completely close and always let a little hot coolant into the heater core.

2. They don't like straight water instead of antifreeze in the cooling system. The servo valve needs antifreeze for lubrication.

3. Like any electronic device, the servo control module needs a very good ground to work properly.

It seems strange that you can move the valve manually because it's a worm gear drive inside the servo. When you push it closed, how far does it move?

Did replacing the valve ever fix the problem, even for a short while?



Good luck...

[39 OLDROD]

Originally Posted by 302 Z28

Having a problem with the hot water control valve in my Vintage Air Gen II system. The picture shown is the original supplied valve with the system. It was replaced after it refused to close properly when switching from hot to cold. Now the replacement valve is doing the same thing. I have called Vintage Air to complain and we have checked the temperature control slide to make sure it is going all the way to cool to no avail. Per their suggestion I went ahead and replaced the temp control slide switch which did not help Their other suggestion is to replace the valve$$$$.......again . I am very reluctant to spring for the bucks to buy another one of these POS valves.

Here is the deal. once I move the temp lever from heat to cool I then must stand on my head under the dash to physically move the valve the additional 1/8 turn to fully closed before my AC cools.

Is anyone else with one of these systems having the same problems?

Vince

Vince my brother put one in his Vicky that never did work right so we finally gave up and made a loop with the intake heater hose so we did't get any hot water no heat though but if it's that cold he don't drive much any way. Now I on the other hand have got mine to work AFTER I got all the bad parts exchanged it seems to work it was just a PITA to have to pull the dash and console out as the evaporator leaked and the control was froze up. Sort of make's me wonder if they are made here or just dropped of at the dock? Oh is yours cable operated?

OLDROD