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Chris(aka-Moose), Nissan Technician
Category: Nissan
Satisfied Customers: 621
Experience:  16 years of experience
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Titan: after i shut off the truck after about 2 min iI hear

Customer Question

after i shut off the truck after about 2 min iI hear a popping sound from under the dashboard. like a HVAC door opening and closing quickly
Submitted: 1 year ago.
Category: Nissan
Expert:  Dave Nova replied 1 year ago.
This is a common problem on the Titan. It is due to one of the HVAC actuators with stripped internal plastic gears. Have you lost control over the temperature, modes (dash, floor, defrost), or the recirculate function?