2004 6.0 NV4500 Tahoe

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Dantheman1540

Dantheman1540

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I hate to think it and say it but I have seen where when all else is eliminated, it turns out to be a leak at the evaporator. I did not see a thread about your a/c problems but has that been looked at? Not that you can see it till you rip it out of there.
Don’t put that voodoo on me Ricky Bobby!!!!
 
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Dantheman1540

Dantheman1540

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Sorry, but have been there and done that so many times. Lots of a/c work when I was in KC, Mo.

It is what it is, if that’s the case I’ll fill the AC right before a potential buyer comes to see it and then kick the truck to the curb…..





Jk anything can be fixed, but I don’t think that’s the issue, I’m wondering if it leaked out and I just haven’t inspected it well enough with the black light to find the leak.
 

OR VietVet

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It is what it is, if that’s the case I’ll fill the AC right before a potential buyer comes to see it and then kick the truck to the curb…..





Jk anything can be fixed, but I don’t think that’s the issue, I’m wondering if it leaked out and I just haven’t inspected it well enough with the black light to find the leak.
I know you likely know this, but refrigerant is heavier than air and when checking for a leak you need to sense at the low part of the fitting or seal. I used to use a lit propane cannister that had a flex hose that I ran along the a/s lines and components and watched for the flame to turn green. I always that the battery powered sensors were 50/50 accurate. Plus, the lower the charge/pressure in the system, the slower it leaks. Found a few evap leaks by shoving my propane flex hose up the condensation drain.
 

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