Eric Miller wrote:
> I am having the opposite problem. I finished my 4a restoration at the
> start of the summer and am just needing the heater now, but I can't get any
> heat out of it. I have a 160 degree thermostat, the temp gauge comes up to
> normal pretty fast and stays there, but the heater fan just blows cold air.
> I installed a new heater valve during the restoration, and assume it is
> working correctly. The heater core was flushed and is not blocked it any
> way. I don't have a sleeved thermostat. Could it be that not enough hot
> coolant is flowing through the bypass hose because of this? Maybe the
> heater valve it defective? Any thoughts?
Ah. I don't really have a problem per se except the "ouch my feet are
too darn hot" thing with the heater fan on. Until I pulled the 165F sleeved
stat a few weeks ago, the heater barely put out lukewarm air. I'd change
out your 160F stat before monkeying with the heater valve. But on the list
of easy things to check is that the heater knob on the dash is actually
operating the valve. And that it's adjusted so it's opening all the way.
I've heard of new heater valves failing quickly, but usually they leak, so
you'd notice. I'm using a ball valve from Home Depot after losing my
solenoid and starter to the last leaky old valve, but I'll probably go back
to correct valve next summer so I can use it from inside the car.
--
Steven Newell
Littleton, CO
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