HVAC Mode Doors

Replacement Parts > HVAC > Temperature Controls and Related Components

HVAC Mode Doors

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What are HVAC Mode Doors?

HVAC Mode Doors are components in a vehicle's heating, ventilation, and air conditioning (HVAC) system which control the flow of air into the passenger compartment.

What is the purpose of HVAC Mode Doors?

The purpose of HVAC Mode Doors is to regulate the flow of air into the passenger compartment, allowing either hot or cold air to enter, as well as to direct the air to the right or left side of the cabin.

How do I know if my HVAC Mode Doors are faulty?

If your HVAC Mode Doors are faulty, you may notice that the air flow from the vents is weak, or that the air is not coming out at the correct temperature. In addition, you may hear strange noises coming from the vents when the system is in use.

Can a faulty HVAC Mode Door cause damage?

Yes, a faulty HVAC Mode Door can cause damage to the other components of the HVAC system as well as the interior of the vehicle.

How do I replace an HVAC Mode Door?

To replace an HVAC Mode Door, you will need to:

  1. Disconnect the negative battery cable.
  2. Remove the old HVAC Mode Door.
  3. Install the new HVAC Mode Door.
  4. Reconnect the negative battery cable.