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A/C blowing hot air

Tiny
JOE THE MARINE
  • MEMBER
  • 2002 CHEVROLET BLAZER
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 176,000 MILES
Just put in a blend door actuator in last week from AutoZone. All vacuum lines are new, when and checked out okay. Turn on the A/C, after the new door was installed, , nice cold air came out and ran the car for 10 minutes. Today turned the A/C on, same problem is happening as before, could this be the the new actuator that I put in? I hope not, because what a headache it was to get at and bruised knuckles and sore back. What do you think? Is there any way to check? I do not know it's the same problem. Thanks for any info on your end. Help, hot in Phila PA, 85 degrees.
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Wednesday, May 27th, 2020 AT 7:42 PM

1 Reply

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

Can you hear the door moving back and forth when you command heat and A/C?

https://www.2carpros.com/articles/replace-blend-door-motor

Do you have gauges to test the high and low side pressures? It could be a Freon issue

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

Is the compressor clutch engaged?

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Roy
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Thursday, May 28th, 2020 AT 6:14 AM

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