Air conditioning blowing hot air

1996 FORD THUNDERBIRD
9,433 MILES • V8 • 2WD • AUTOMATIC
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BEVERLY BEST
  • MEMBER
  • 2 POSTS
When AC is turned on it only blows hot air through the windshield vent.
Jul 9, 2019 at 4:35 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good evening,

I attached a vacuum line diagram for you to view. You most likely have a vacuum line off under the hood by the tank that holds vacuum. When this happens, the system defaults to defrost and heat.

Check all the lines carefully.

Roy
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Professional Diagram for 2CarPros Members
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Jul 9, 2019 at 4:47 PM
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