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Hi I have a 1986 E 150 I need to replace the a/c condenser. I have the tool to disconnect the spring lock coupling fittings. I had no problem disconnecting the line going into the condenser but the line that goes across the front of the condenser that connects to the line going to the expansion valve, I can not get off no matter what I tried. I pulled the spring out and it looks like there is nothing holding the line in but will not pull out. The new condenser has the coupling fitting on it so I dont need the one on the condenser lines. Any ideas?
Thanks]
Ray
I ask in part because you may wind up replacing it. How long has it been since the AC was charged and used? My van had sat for several years with a bad AC compressor. When moisture inters the system and mixes with the oils, it corrodes inside the lines. I wound up replacing all my AC parts because the lines were all corroded inside and there was no way to flush it out.
Could also be the O-rings hardened and seized in place. You might try a little heat but be very careful as that line may be aluminum? You might just need to get the o-rings to let loose.
Yes that is the line. I did apply a little heat but still as hard as I pulled, didnt budge. There is a fitting on the line coming across the condenser about 3" from the end that I could disconnect. I took it off and was able to turn and pull,, and finally came out. I did order that line you show. Mine seems a bit clogged. Hopefully I can get the a/c back in a few days, its been in the 90's here.
If that line was clogged, It would be worth your while to loosen the other lines and look inside them. That is also a good time to replace the O-rings to make sure you don't have a leak any time soon. If your other lines are clogged or dirty inside, it would be to your advantage to at least try to flush the lines though replacement wold be best. Any trash floating around in the system is not a good thing. Speaking of trash in the system, you might want to pull the expansion valve and see if there is a screen in it or the line it connects to. If there is, it cold be clogged and reduce flow.
Good advice. Since I am installing a new line from the condenser to the expansion valve I'm going to replace the valve as well. I put the valve in about 6 years ago. The coiled part of the valve is clamped against the low side pipe going into the evaporator box. I used some sort of flexible material to pack around the coil and pipe then foam and duct tape over it. The flexible material should be replaced. What is used to pack around the coil and pipe? Is it a good idea to use thread seal tape around the fitting connections?
Nylog Blue for you with R134a! It will keep the line connections and any other connections from seizing up. You should also think about getting a Oring kit from AZ or one of the other parts stores and replace all the O-rings you can. Use the Nylog on them and you will almost guarantee no leaks for years.
nylog looks like just what I need. Use it on the o rings as well? I see in the video they applied it to the schrader valve. Think it would work if I applied a little on the opening of the low side port? I've been doing a search and can't find it anywhere near me.
A black putty material is what I had on it. My father was a pipe fitter and he used it on cast iron pipes. I dont know what its called either. I should be able to reuse it and wrap it with foam and then tape.
Don't know if I wold put it in the port fitting as it might get up in the gauges. A little around where the caps seal would be good or on the actual shrader valve seal.
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