I have a mystery ac freon leak on 2000 Chrysler T&C.
I have a low mileage 101K miles 2000T&C van that has a mystery freon leak.
It leaks out in one day. I had previously installed freon with red dye in it and it is really a red mess BUT there is NO sign of it anywhere though there is now NO pressure at all in the system.
I checked inside the evaporators in front and rear, AC lines to rear unit, everything under the hood including compressor, condenser and expansion valve,. NO red anywhere.
You know you can only see that dye with a black light. If you dyed the system and it looses gas that fast it will show, but like most of them it won't be in an easy spot to locate.
Take it to an A/C specialist, if it leaks out in 1 day it will be very easy to spot the leak.
dye is the older bright, bright red visual to naked eye. I have 50 years experience in aurto repair including AC repair. telling me to "take it to a specialist " isn't answering the question. sorry!
Some of that old stuff was not compatible with 134A, it was too heavy too be circulated through the system, I found that out when I started retrofitting old R12 systems to 134A , the old dyes didn't work. but you can bet it is going to be in the most troublesome place to get too.
The red dye came in the 134A can.
I REALLY, really do know what I'm doing guys.
When push comes to shove you start tearing it down until you find it, my guess would be it's in the HVAC box just cause it is the hardest to get too.
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