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A/C blowing hot air

Tiny
LESLIEANN707
  • MEMBER
  • 2016 LINCOLN MKX
  • 2.0L
  • 2WD
  • AUTOMATIC
  • 85,000 MILES
First my car is an MKC not on list provided so I marked MKX. My air is blowing hot air. I bought A/C PRO and when I put tester on it went straight to the red which says see service tech.
Thursday, July 11th, 2019 AT 4:37 AM

6 Replies

Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
Are you saying the A/C is overcharged with R134A?
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Thursday, July 11th, 2019 AT 5:11 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Does the compressor turn on when you command A/C?

You need a set of gauges to give me the high and low side readings so I can see the readings.

Do you have a test light or voltmeter to check voltages for the system?

I attached a wiring diagram for you to view. Check the fuses for power on both sides with the key on.

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

Roy
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Thursday, July 11th, 2019 AT 5:14 AM
Tiny
LESLIEANN707
  • MEMBER
  • 3 POSTS
Thank you for your help. But sadly enough I'm having to have everything replaced a nice two grand. But I live in TN and can't live without air! Thanks again for your help!
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Thursday, July 18th, 2019 AT 5:17 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What was determined the failure?

Roy
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Thursday, July 18th, 2019 AT 5:20 AM
Tiny
LESLIEANN707
  • MEMBER
  • 3 POSTS
I guess the compressor went out and in turn deteriorated everything else. Maybe the clutch froze up. It just seems to me that a car only 3 years old should of lasted longer. We turned it into the Ford dealer (probably while it's so expensive).
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Thursday, July 18th, 2019 AT 5:26 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Yes, I agree. Any repair shop would do this repair for way less. The compressor, dryer and expansion valve with labor should be around $1,200.00 to $1,300.00 out the door.

Roy
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Thursday, July 18th, 2019 AT 5:28 AM

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