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Cold/hot air blow only on one side

Tiny
TKURYLO
  • MEMBER
  • 2000 LINCOLN LS
  • 3.9L
  • V8
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
Hi!
hot air blow only from driver side. But when I select MAX temperature, hot air blow on both sides (when I select MIN temperature, cold air on both sides). Sometimes, hot air blow from passenger side, and cold air blow from driver side (very rarely). Air blows separately on each side and do not mix. Diagnostic self-test of DATC - display no errors. Can you help me? Thanks.
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Sunday, April 15th, 2018 AT 6:34 AM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

Have you had the AC system checked? if the system is low in Freon or not functioning properly, this will be the result.

Roy

Also, the cooling system should also be checked to be sure as well.

https://www.2carpros.com/articles/air-conditioner-how-to-add-freon

https://www.2carpros.com/articles/engine-cooling-system
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Sunday, April 15th, 2018 AT 7:03 AM
Tiny
TKURYLO
  • MEMBER
  • 6 POSTS
"Have you had the AC system checked?" Yes. All is good with A/C.
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Sunday, April 15th, 2018 AT 8:28 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, were the pressures checked and verified especially when the car is hot?

Just trying to make sure the AC is not shutting down when warmed up.

Roy
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Sunday, April 15th, 2018 AT 8:31 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What are the pressures on the high and low sides?
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Wednesday, May 2nd, 2018 AT 1:27 PM

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