I have a 2010 titian an my heater will only blow cold air out, do you think its myHeater Control Valve or something else. My AC works fine.
980

Asked by THS Nov 02, 2014 at 11:14 AM about the 2010 Nissan Titan SE Crew Cab LWB

Question type: Maintenance & Repair

Heater only blows out cold air, yet my AC works fine. What do u think problem is?

2 Answers
144,795

T_S_T answered 10 years ago

Blend door actuator in the blower box under dash,is stuck,or actuator motor has gone bad.

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Egbloom answered 5 years ago

Mine was doing this in the wintertime. The heater core hoses were cold to the touch when the truck was at operating temperature. Found out I was almost a gallon low on radiator coolant and the hot engine coolant wasn't making its way to the heater core. Topped off the coolant and I've been getting hot air ever since. I had a very small leak in the radiator. Check the blend door next if the coolant is OK.

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