In article <L24Md.1$Si1.0@dfw-service2.ext.ray.com>,
"KWW" <kwalker@nospamaircooled.net> wrote:

> Have '92 Civic LX, 4 dr automatic with A/C. I've kept the cooling system
> correctly (drain/fill with Honda antifreeze- following directions on
> bottles).
>
> OK, the A/C needs to be recharged, but if we turn OFF the A/C button and the
> engine registers that it is warm (on the gauges), shouldn't there be SOME
> sort of heat coming from the system? I tried numerous vent settings,
> numerous temperature settings, outside air/recirculate, etc, but there was
> no heat! The car has about 130k miles on it. The heat used to work. Does
> the heat solely rely upon the A/C system?
>
> Thx.

no. the engine coolant provides the heat.

If it's really cold outside AND if your thermostat is failed open, it
could be the thermostat keeping the coolant too cool.

Or, it could be a blocked heater core.

Hope it's the thermostat.