wernersky11
Altima Engine Overheating Air Flap Fault
Summary of the thread
A 2009 Nissan Altima owner reported engine overheating and a check engine light, with a diagnostic scan indicating an air flap fault. The issue is likely due to a defective electromechanism controlling the air flaps, which is part of the thermal management system. A similar case was resolved by replacing the faulty flap motor at a professional workshop. It is recommended to seek professional repair to prevent potential engine damage.
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4 comment(s)
wernersky11 (community.author)
Thanks for the reply. The fault code pointed towards a defective electromechanism controlling the air flaps. Did you try any troubleshooting yourself, or did you immediately go to a professional?
danielschwarz1
Given the potential for engine damage due to overheating, I took it directly to a trusted workshop. Replacing the defective flap motor resolved the issue. Considering the complexity of modern thermal management systems, I'd advise against a DIY repair unless you have considerable expertise.
wernersky11 (community.author)
I appreciate your advice. I will schedule an appointment with a reputable workshop to address the air flap fault. The estimated repair cost is approximately 590€. Thanks again for sharing your experience.
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NISSAN
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ALTIMA
danielschwarz1
I also drive an Altima, and your symptoms sound familiar to a problem I had a while back. Was there a specific fault code? Mine was related to the flap motor in the thermal management system. The cooling system seemed to be working overtime, and I was concerned about potential engine damage.