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AC Evap Box Drain?
Pretty sure the drain on the AC evap box is clogged, as I drive, the AC gets less and less cold, but if I turn it to just "fan" for a a few minutes, then back to AC, it will get fully cold again, for a little while. Furthermore, when I park the truck, condensate water continues to drip for at least half an hour, but at a very slow rate, certainly not what you would expect.
I've encountered this problem on other vehicles of mine before, and it was as simple as blowing out the drain tube or running a piece of wire through (and trying to dodge the deluge of water), but I can't seem to locate a drain tube/hose on this truck. It looks like water drips out of the lower seam of the box somehow, but I can't seem to figure out where it's supposed to drain from. Anyone got any ideas?
'96 XLT CCLB ZF5 4WD - Strictly Diesel Efuel w/RR and SD pump, Irate T4 w/366 SX-E, PIS 250/200, PHP Hydra w/Gearhead Tuning, Stage 1 Organic SB, 4" Magnaflow no muffler