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Can recovered r134 be reused?

Tiny
TOWMAN817
  • MEMBER
  • 1993 TOYOTA PREVIA
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 86,300 MILES
I am going to replace the compressor in my car because it is not functioning and when I turn the A/C on it makes a loud noise. The r134 must be evacuated into a recovery tank. I believe I must flush the system, but do I need to flush the system? And can I reuse the r134 in the recovery tank or should I buy new r134? Thank you and God Bless you!
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Wednesday, May 5th, 2021 AT 2:47 PM

1 Reply

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

The recovered freon must be recycled before installing it into the car. You need a recovery machine that can recycle. Otherwise, you need to use a new Freon.

https://www.2carpros.com/articles/replace-air-conditioner-compressor

As far as flushing, you need a flush that has a boiling temperature of fewer than 212 degrees. That way when you evacuate the system for about 40 minutes, it will boil out the flush.

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

Roy

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Wednesday, May 5th, 2021 AT 4:09 PM

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