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qx56 rear suspension sagging

  1. QX56 Rear Air Suspension Sagging Fix vs Replace with Shocks

    Hi, New user, first post. My QX56 2012 4x4 rear is sagging. I could use help finding the trouble shooting for this problem. I checked the fuses under the hood and they are fine. I pulled off the boot and shorted the wires together and the pump didn't turn on. Should I test the relay next ...