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A/C blowing hot air

Tiny
SCREWHEAD6395
  • MEMBER
  • 2005 LINCOLN TOWN CAR
  • 4.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Okay, my A/C just out of no where just started blowing hot air instead of cold. All the vents work it switches to defrost and everything, but when it goes back to A/C it still blows hot air as if the heater is on. Any suggestions?
Thursday, April 29th, 2021 AT 5:50 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi,

This could be a few different things. I need you to check something for me. When you turn the A/C on, do you hear the A/C compressor engage (click under the hood)?

If you do, then chances are it is a blend air door issue. However, this vehicle has one for each side of the vehicle, so I need to know if this happens on both sides.

Also, here is a link that you may find of interest. It discusses the most common causes of the A/C not working. Take a look through it.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Let me know.

Take care,

Joe

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Friday, April 30th, 2021 AT 9:08 PM

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