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Question posted by jimmydude232 on November 14th, 2021

Heating System

what would cause one side of car vents to blow only cold air but the other side is hot

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Answer #1: Posted by samadwaley on November 14th, 2021 6:02 PM

This answer was accepted by the poster of the original question.

samadwaley

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Blend door actuators are the Most common reason for the car vents to blow cold air on one side and the other side to be hot. They can be diagnosed with an advanced scan tools. If it does not move with the adjustments, There is a problem with the blend door actuators and it will need to be replaced.

Answer #2: Posted by SonuKumar on November 15th, 2021 7:57 AM

SonuKumar

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May 9th, 2021

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Why is my car blowing hot air on one side and cold air on the other?

Blend door actuators are the most common reason for the car air conditioning to blow cold air on one side and hot air on the other. They can be diagnosed with an advanced scan tool. If it does not move with the adjustments and commands, there is a problem with the blend door actuator and it will need to be replaced.

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Why is only one of my vents blowing cold air?

This situation can be caused by a bad blend door (also called air mix) actuator, a broken or binding blend/air mix door, broken linkage to the blend/air mix door, or a faulty HVAC control head or wiring harness.

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