This problem has been of such dimension over time that many have opted
to install a special shut off valve in one of the hoses just under the
trim and heat diverter panel that is between the dash and the floor.
They work the valve much like the "seasonal" valve on the rear heater.
Turned "OF" in summer and "ON" in winter. The control valve operated by
the cables has always been pesky from day one, and the only way to be
sure it was all the way on or of was to get under the vehicle and reach
up and manually turn the thing the final fraction of an inch to seat it.
Installing that secondary valve eliminates that problem and makes it
easier to control. No more dropping the spare tire and getting under the
van.

At least one of our vendors carries a kit for this extra control, or you
can cobble one together yourself from parts from the local hardware store.

Good luck.

John Rodgers
88 GL Driver

Rob Rubin wrote:
> Hi guys,
>
>
>
> I recently re did my front heater core and blower, the whole deal! I
> replaced everything as it was previously. Here's the problem, I still get
> warm air when the valve is turned off. The rub is that the arrow on the
> valve points in the direction of the engine which I thought odd but that's
> the way it was. I considered that maybe that is the direction of flow and
> maybe it doesn't matter which side of the heater core the valve is on as
> long as it shuts the flow off.
>
>
>
> What am I missing here as I am sure it is operator error!
>
>
>
> Rob
>
>
>

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