Hi,
What you have already done is helpful. But I do have questions. First, what code do you actually get? Is it one that indicated the engine temperature is not reached within a specified time?
Next, how were the blend door actuators tested? Are you sure they are moving fully?
When you replaced hoses, how was the system bled and when flushing the core, did the water flow freely and clearly in both directions?
I need you to try something for me. First, start the engine and turn the heater on high. Allow the engine to reach operating temperature. Then, feel both heater core hoses that you replaced. Are they both hot or just warm?
Here is a link you may find of interest. It covers the most common causes of a no heat condition. Take a look through it and let me know if anything helps. Also, let me know the answers to the questions I asked.
https://www.2carpros.com/articles/car-heater-not-working
Let me know what you find. Also, let me know if the system has automatic climate control or manual.
Take care and I hope you had a nice Thanksgiving,
Joe
I attached directions below for bleeding the system, the directions are for both the drain and refill procedures. Note the highlighted sections. Do not install the radiator cap until all procedures are completed and it no longer needs coolant added. You may simply have low coolant in the radiator.
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Thursday, November 25th, 2021 AT 6:59 PM