Hi all, my 2009 Compass Limited has a heating problem. It seems that when the outside temperature gets to be below 40 degrees F, the heater will only put out luke-warm air, and it never gets hot. The coolant temperature is consistently lower than it should be, sits around 3/8 on the temp gauge. I've already replaced the thermostat twice, and can confirm that the current thermostat is not stuck open. The radiator fans are also not spinning at startup, so I believe the fans are not the issue either. I currently have a piece of cardboard zip-tied to the grille to stop air flow to the radiator to make it run hotter (that only seems to help a little bit).
Could it be incorrect coolant? A bad sensor? I really don't know what's wrong, and it's getting to be very frustrating, being that I live in an area that gets very cold in the winter months (down to -20F sometimes!). Any information helps
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Could it be incorrect coolant? A bad sensor? I really don't know what's wrong, and it's getting to be very frustrating, being that I live in an area that gets very cold in the winter months (down to -20F sometimes!). Any information helps