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AC will not blow cold

Tiny
DANIEL1986
  • MEMBER
  • 2004 TOYOTA MATRIX
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 1 MILES
I replaced the compressor and vacuumed system down added Freon and now blows cold for only few seconds and then goes hot again. Any suggestions? And checked relay and fuse under dash.
Saturday, August 18th, 2018 AT 7:03 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi and thanks for using 2CarPros. Com.

I need to know some general information. When it starts to blow cold, is the compressor no longer engaging? Can you tell me both the high and low side pressures and outside temperatures when you check? One last question. If the compressor is cycling properly, did you check to make sure the blend air door is not closing and not allowing the cold air to come through?
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Monday, August 20th, 2018 AT 7:01 PM
Tiny
DANIEL1986
  • MEMBER
  • 2 POSTS
Okay, I will check the pressure tomorrow and let you know and where exactly is the blend door at and how do you check it?
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Monday, August 20th, 2018 AT 7:07 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Welcome back. I was not able to find an exact picture specific to your vehicle. However, here is a link that describes what it is, does, and in general how they are checked and replaced. The blend air door is located under the dash in the heater box.

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

Let me know if this helps.
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Tuesday, August 21st, 2018 AT 6:10 PM
Tiny
DANIEL1986
  • MEMBER
  • 2 POSTS
Is there any way to check and make sure the actuator is bad? Does it sound like a expansion valve could be bad too?
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Thursday, August 30th, 2018 AT 9:46 AM

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