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A/C front and rear blowing warm

Tiny
JOSUEDUPREY
  • MEMBER
  • 2010 CADILLAC ESCALADE ESV
  • V8
  • 4WD
  • 100,000 MILES
Front and rear A/C is blowing warm. I already replaced the compressor, orifice tube, expansion valve at the rear, dryer and still blowing warm air. Also, been vacuum and charge with 3lbs Freon. I believe the next part will be the condenser and compressor hoses. Please let me know if any ideas.
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Tuesday, May 29th, 2018 AT 6:02 PM

1 Reply

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

Do you know the high and low side pressure readings while the AC is running?

It could be a blend door issue for the rear unit. Can you hear the door moving when you command heat and cold?

No to the hoses, that is not the issue at all.

Roy

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

https://www.2carpros.com/articles/replace-blend-door-motor
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Wednesday, May 30th, 2018 AT 11:13 AM

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