I have a 2001 chevy silverado z71 1500 lt, lately heater is only blowing out cold air

Asked by Jan 27, 2016 at 08:00 AM about the 2001 Chevrolet Silverado 1500 LS Extended Cab SB 4WD

Question type: Maintenance & Repair

blowing out nothing but cold air, no hot air, fan blower works fine, seems like a
lot of the air is staying inside of the dashboard, every now and then you will
feel a little warm air, but not often, what can I do?

2 Answers

69,615

If the engine is running at operating temperature, and both heater hoses are getting hot, then it would be the HVAC blend door actuator that would be bad. hvac

2 of 2 people found this helpful.

check coolant level at radiator itself not at reserve tank

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