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· Premium Member
2006 Nissan Armada SE 4WD
5 Posts
Whenever this exact thing happened to me, it wound up being the HVAC heater control valve(see image below). I was able to quickly "*******" it to work again by unscrewing the front cover and pulling the little locking gear out and using a flatblade I manually turned it to open it. Worked beautifully for over a year until I replaced it.


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