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84 Eldorado, chafed conderser line

tomnn2000 on Tue December 18, 2007 4:51 PM User is offline

Year: 1984
Make: Cadillac
Model: Edorado
Engine Size: 4.1l
Refrigerant Type: R12
Ambient Temp: 36
Country of Origin: United States

I'm in the process of changing the engine in an 84 Cadillac Eldorado. I noticed a wet spot and drop of oil on the upper condenser line this morning. Assuming I had dropped some on it, I wiped it off. Within a few seconds more oil had oozed onto the surface. The area of the tube (aluminum I think), had chafed against one of the transmission cooler lines and become thin. I think moving the hoses around put some stress on it and made a small crack. I put some putty on it and wraped some tape around. It has stopped the leak for now. I put a gauge on the system and it was reading around 30 or 35 pounds, I don't recall exactly, I was just happy there was still pressure, ambient is somewhere between 36 and 40F. It hasn't run for the past month and won't be ready to run until this weekend again.

So there a magic patch that I can put on that line to take care of the problem? Maybe like those clamping devices you can put on household water lines? My feeling is that I'm looking at a condenser replacement, but I thought I would ask.

Tom

Chick on Tue December 18, 2007 7:40 PM User is offlineView users profile

There is no "magic" to fix the line. A pic would help us determine if it can be 'brazed" or if it needs to be replaced. If you can find a shop that will recover and hold your R12, that would be the way to go. If your "oozzing" oil that fast, the refrigerant will be leaking fast also. The cold just slows it down.. If it's the line going into the condenser, it should be changed, or if it's the hard line OF the condenser you may be able to have it repaire3d, or it may pay you to just replace it. You can e-mail the guys at Ackits.com and see if they have a replacement condenser (or line) available for that car. I didn't see one listed on their web site, but that doesn't mean they can't get it... Hope this helps..

PS: to braze it, it will need to be flushed very well, and the time involved may prove to be more than a new replacement condenser..Just my opinion...

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

tomnn2000 on Wed December 19, 2007 10:29 AM User is offline

Thanks Chick, I did already know the answer, just hoping for some magic I had never heard of. It is the hard line going into the condenser. I've gone ahead and picked up a new one. My biggest problem is to keep the R12 around long enough to get to a shop. I an halfway through swapping an engine so the car can't move for a few more days. And I don't really feel like doing air conditioner work right now along with the engine. I was trying to figure something out to temporarily patch the hole so I cut up a nitrile glove, folded into a patch, put it over the pinhole secured with a clamp. It seems to have stopped. I know it's not a permanent fix, but it lets me finish the other work and seems better than letting the R12 just seep out.

Tom

Chick on Wed December 19, 2007 2:40 PM User is offlineView users profile

I would pick up a new accumulator and change it when you change the condenser. Of course add back some mineral oil, nad by all means keep the car R12. There are plenty of shops that still have it, but be very careful of a shop that might say yes, we have it, and make sure it is R12 and not a R12 replacement.. Seen a few shops pull that. In their "flimsy" defense, they don't do that much AC work, and really thought they were doing the right thing... So just question the shop as to what they will add back.. Hope this helps..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

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