What is an AC control switch replacement?

During an AC control switch replacement, a mechanic replaces a faulty AC control switch with a new one.
More than keeping the cabin at a comfortable temperature, a working heating and AC system is necessary to defrost the windshield in cold climates. If your AC control switch isn’t working properly, you won’t be able to turn on or adjust your air conditioning system.
Like any piece of high-touch electronic equipment, AC control switches can fail over time due to wear and tear. If your air conditioning system stops working, it’s time to go to the mechanic for a replacement.

How to replace an AC control switch

A mechanic will usually complete the following steps to replace your AC control switch:
  • Remove the AC control panel from the center of the dash
  • Remove the defective AC control switch from the control panel
  • Install the new AC control switch into the AC control panel
  • Reinstall the AC control panel into the center of the dash
  • Test the new unit to verify it’s working properly
The AC control switch replacement is a highly technical procedure and should not be attempted without the proper tools and knowledge. It’s a job usually best left to a professional.

When do I need to replace my AC control switch?

If your vehicle is suffering from spotty air conditioning or if the AC system won’t turn on at all, you may have an AC control switch problem. A skilled mechanic can identify whether a faulty control switch and/or a different mechanism is to blame.

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