Hello-
I have a 1983 Ford Econoline 350 1-ton cargo van and I'm having some issues getting heat into the cab. I'm only getting lukewarm air (possibly 55 or 65 degrees F?), but I'm worried about traveling in snow/ice where keeping the windshield will be critical.
I've already investigated the usual suspects:
- The heater core seemed to have good flow when I flushed it out. Both heater hoses (send and return) seem to be hot to the touch, but one (I'm guessing the send line) is much more firmer than the other. Not sure why...
- I've replaced the thermostat with a brand new one.
- I'm getting good airflow from the blower motor into the cab, just not HOT air.
I've tried putting cardboard over the grill, and I've even tried blocking off a majority of the radiator (with cardboard) just to see if I could get the engine to run a bit hotter. Neither of these worked. The temperature gauge seems to only creep (barely) into the NORMAL range, even under heavy loads.
Is it possible that there is a duct leak? Or something clogging the duct?
Not sure what to do at this point...
I'm open to any suggestions!
Thanks (in advance)
Kevin