AC stops working under long drive?
Rick Warkentien
sr20de@sunflower.com
Mon, 12 Aug 2002 22:47:26 -0500
Dus wrote:
> >after 3 hrs of straight driving going to New Orleans, the AC seems to
stop
> >working properly. The air is still pretty cool (not cold). You can
hear...
> >...Also, i realize there's a lot of moisture under this black box behind
the
> >glove box. water drips out of it when the AC gets hotter.
Wayne Wrote:
> Sounds like the condensation drain isn't working. Water backs up,
probably
> freezing onto the evaporator core and blocking air flow. On the B13
there
> is a rubber hose low on the firewall under the hood that the water drains
> out. If it falls off, the water will drain into the passenger floor,
> rather than outside (found this out the soggy way!) I'd check that.
> -Wayne
This is also a typical symptom of an AC system that is overfull. Essentially
what happens at that point is the AC becomes to effecient and freezes the
condensation onto the evaporator. Have a proffesional with a good set of
gauges check the pressures and see what they say.
Temp Fix: On long drives once it freezes up, run the heater for a few
minutes and it should start blowing again. Had this happen to me on my
second car.
Rick Warkentien
92 SE-R with a fresh buff and wax. (thanks for the tips Shell Black)