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Hello, my name is***** is because you have ruptured an air spring. Typically as these air spring age they become cracked and weathered. Then when you hit a bump hard it can rupture the spring which causes the compressor to run for too long causing it to heat up. There is an air spring that is failing causing this to occur. These need to be checked and replaced in pairs. If you need more help please let me know.
I have been having trouble with my database system lately. I can tell you though that they are located on the rear of the vehicle just behind the rear wheels on the suspension.
If the hole is small enough then the leak can appear at any point causing the compressor to overwork. It can be very intermittent.
If it is the brass part that the line goes into it is the line lock or coupler.
If that is broken then it would definitely cause this. I would replace that and you should be fine.
I have never seen these separate online, but some dealers will get them for you. Some will try and sell it as an entire unit.
No problem. If I can be of further help please let me know.