Quote:
Originally Posted by ECONORAM
I agree, the HVAC design plays a role. My truck's heater core gets hot coolant all the time?! Yes, even in summer. I installed a bypass valve so I can shut it off in summer if I want to. Haven't thought to test it and see if anything changes...might check yours.
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This dehumidifies the air in the plenum being used for cooling. I also use a valve, but only in the hottest part of summer . . the dehumidification operation works well (at least on my CTD). It is not as sophisticated as it should be . . Chrysler has had less than optimal HVAC in trucks for many years (though newer than mine may be better).
Some systems -- if not mentioned -- also have a loop that allows for hot cab air before the coolant has actually warmed all the way.
Is anyone using the equivalent of a circulating coolant heater (KIMM HOTSTART) to pre-warm the engine, and then grille block to keep temps high?
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