"N.E.Ohio Bob" <rgstroud@neo.rr.com> wrote in message
news:45842939$0$18079$4c368faf@roadrunner.com...
> Got a chance to look further at the heater control on my brother's Accord
> today. The heat control knob was only moving in the center 100 degrees of
> arc instead of the complete 180 degrees.
> I disconnected the control cable at the water valve, and all things
> returned to normal. I removed the glove box door and could see the door
> linkage working as designed.
> I am going to replace the valve next week, unless someone out there thinks
> my diagnosis is faulty.
> Thanks! bob

I think you've got it right. Most water valves get tough to operate anyway.

I have a warning about the actual replacement. I recall being under the car
to get one of the hoses off, and sliced my wrist badly on the front of the
catalytic heat shield. A rag over that would have saved me a lot of pain and
trouble.

Mike