I have a refrigerant (freon) leak I need to find it

Tiny
STANLEY BOSTIC
  • MEMBER
  • 1997 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 310,000 MILES
I put dye in the system, but still than see a leak. I was told two different answers by two different repair shop (1) I need a new compressor (2) It probably leaking from the evaporate since we can't see the dye. Please help
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Tuesday, March 31st, 2009 AT 10:03 PM

4 Replies

Tiny
MHPAUTOS
  • EXPERT
If it is leaking from the evaporator, you will need to follow this guide to help find it

https://www.2carpros.com/articles/air-conditioner-leak-detection

Please run down this guide and report back.
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Tuesday, March 31st, 2009 AT 11:24 PM
Tiny
DCS1998
  • MEMBER
Not sure where yours is leaking from but, make sure you replace the valve cores on both the "High" and "Low" side before re-charging the system.
Had a guy at work (he did HVAC work on the side) tightn mine up and it worked for a year or so, but then I had to re-place the valve core(s).
Think I paid 3-4 dollars for the asortment pack at the parts store. Very cheap investment for when its 100 degrees outside.
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Wednesday, April 1st, 2009 AT 1:27 AM
Tiny
BOB CONNORS
  • MEMBER
  • 1993 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 114,000 MILES
I recently had the air conditioning completey replaced with all new parts except the condensor. Prior to replacing all the parts & adding freon the A/C would work for about two days and each time dye was added but no leaks could be found. The same thing is happening with all the new parts. It would work for two days straight then quit.
I understand there may be something under the dash the needs replacing but didn't want to spend more money unless I knew for sure.
Do you have a suggestion where we might find the leak. We have looked everywhere.

Thanks for any help you can provide.
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Friday, April 30th, 2021 AT 4:27 PM (Merged)
Tiny
RASMATAZ
  • EXPERT
Might want to use a leak detector instead of the dye method and probe the areas below


https://www.2carpros.com/forum/automotive_pictures/12900_ac_refrigerant_leaks_1.jpg

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Friday, April 30th, 2021 AT 4:27 PM (Merged)

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