Air Conditioning operation and performance

1999 FORD TAURUS
120,000 MILES • 3.0L • V6 • 2WD • AUTOMATIC
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BCM351
  • MEMBER
  • 1 POST
My air conditioning has been working just fine since last summer. Now that the super hot days have hit it is not operating correctly. It works fine while sitting still or at a stop light. But when I get out on the highway its starts blowing hot, or musty air.
Jul 13, 2016 at 12:56 AM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Have the charge checked. Make sure the heat exchanger is not blocked by debris, same with the condenser in front of the radiator.
Jul 13, 2016 at 1:38 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
I would first verify the cooling fan is working properly before you go messing with the charge levels. If it cools when the car is moving, it is an air flow through the condenser problem.
Jul 13, 2016 at 1:43 AM
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