40725Re: [Imperial-Club] Re: Alternative refrigerant response
- Nov 9, 2013This stuff is supposed to be "da bomb" when it comes to automotive a/c leak repair additives.Mercedes guys like it a lot.Pete in PA
Yes, the hydrocarbon refrigerant can be used with a dye. Yes, I have tried
to find my leak using dye. Yes, the dye showed some leaks, which were
repaired (mostly minor). No, the use of dye did not locate my elusive 2
week leak. And the AC repair shops did the best they could, using whatever
savvy they had, but in the end I was left with a 2 week duration leak. No
refunds for best efforts.
I have also tried using a gas leak detector with no useful results.
Given the way the AC unit is installed in the trunk of my '56 sedan, it is
possible that there is a leak that the dye might have shown if it were
possible to see behind the evaporator coil. I can't do that.
This year, I bought a complete trunk AC unit that looks to be in good
condition. My plan is to leak test this unit out of the car. If it holds
pressure for a goodly time, I'll swap it with my current unit. By I, I mean
I will have a shop do this. I can't manhandle that unit by myself any more.
Too old and puny.
I have one more trick to try before going that route. I bought a
refrigerant AC stop leak that you inject into the system. It's worth a try.
See http://www.uview.com/index.cfm?pagepath=Products/LeakGuard%E2%84%A2_A/ .
'56 Sedan (with AC)
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