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Originally Posted by benzfan
Yes it can. Warm air holds much more moisture and with the water in that area that has been removed from the air by the A/C (most drains, a lot remains on the evaporator and by default, in the area of the heater core, as the heater core is usd to keep the evaporator from freezing), any increase in temperature, the air will pick that moisture up instantly, condensing on your nice cool thermometer.
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Does the evaporator sensor read the air temperature before it hits the heater core? This reading also goes way up under the fault conditions, leading me to suspect the air-conditioning system rather than the heating system.
WIS mentions a fault in early receivers, restricting flow and causing high left-side center-vent temperatures. Perhaps I should have mine replaced, if I decide I can't live with the climate-control as it is.
It's certainly not hard to live with, as the temperature will rise for only a few minutes, then settle back down to about 41-45F.
I added a few ounces of refridgerant to the system, and now the fan comes on pretty much whenever I stop, holding the pressure to 13 or so until I start moving (still with high-90's ambient). I'll have to wait and see what it does when it's over 100F ambient, to ensure that I don't have too much. But the air-conditioning acts exactly as it did before.
07-30-2006, 04:02 PM
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