No heat only cold air

Asked by Jan 29, 2016 at 08:10 PM about the 2009 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

I have a 09 jeep Grand Cherokee with a 3.7L V6 !
Heater was working fine before I parked it ! It sat
for 2 days ! Went back to work after them 2 days
an notice no heat at all from either side checked
all the fuses there good checked water pump its
good ! I replaced  the thermostat still nothing ! Got
under the dash an felt the heater core hoses their
hot ! Blower is working fine ! But just no heat ! I'm
running out of options an not a lot of money to
work with any ideas I'm lost !!!

1 Answer

72,265

I see 2 possible things that could be checked out. 1) being a HVAC Heater Blend Door Actuator or a HVAC System Switch. I would investigate these items, check them out with a digital multi meter, and replace as necessary.

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