A/C leak in the low side line | Ford Explorer Forums

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A/C leak in the low side line

DumbMike

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April 26, 2010
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1994 XLT
I tried looking at the other posts, but I can't find my situation. I'm not that good on the terminology, so I'll try my best:

I have a leak in the A/C. The mechanic told me to put some of that UV stuff on the low side (I had to find out what that meant). I found the leak in the line that goes from the low side contraption (don't know what it's called, but it's a cylinder/domed shaped gizmo near the low side valve on the passenger side of the engine compartment) to the compressor (that's the thing that goes around and around when the engine is on, right? Or is that the condensor?).

Anyway, the leak is where the rubber tube meets what I can only describe as a metal crimp ring (about 2 inches long) in 2 different places. I think I have 3 different remedies and need info on each:

1. Replace the line. I think this is the best, but how is this done? I've looked at the connections and they don't like anything I've ever seen before (some circular thing with a gizmo around it so that it doesn't fall off?).

2. I thought a quick fix would be to put some of that plumber's expoxy in the area, which I think will stop the leak for a little while. I think the problem with this is that once I put it on, it will not come off, so there's no fixing the line other than replacing it.

3. Maybe put some of that liquid sealant into the line. I was told these sealants aren't very good because they can clog up the line. At least, they aren't very good in radiators.

Whatever information you can give me would be appreciated. Plus, maybe a lesson on some air conditioning terminology.

If there is another thread on this subject, please give me a link and I apologize for the repetition.

Thanks.

DumbMike
 






I talked to another mechanic, and here's what I have found out:

1. To remove the A/C line, you need to disconnect the spring connectors. This required a cheap tool for this purpose (a set costs about $10 at your local Autozone. I found it cheaper online at various places, but I also figured that the shipping can even out the cost). I'd imagine you could do without the tool, but I'm also sure that using the tool makes the job easier (I haven't done it yet, so I'm guessing). There's one bolt in the back of the condensor that also needs to be removed. I purchased a new line, which costs about $70. I hope the new line will also contain new O-rings.

2. I was told that the plumber's expoxy won't stop the leak because of the amount of pressure in the line. So, I guess that wasn't even a short term remedy.

3. I was also told (again) not to put any sealer or such stuff into the system as it will gunk it all up.

So, the only remedy is the properly replace the line.

I hope this helps somebody out.

DumbMike
 






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