Just installed an irs in my terminator swapped gt. When driving something from the rear is thumping. It is speed dependant and happens on acceleration and deacceleration. It sounds like a flat spotted tire. I feel like its the calipers. When i was bleeding them they did not bleed like the fronts. The tubing never had a solid flow it would come out in a solid stream and then stream down like it fell out of vacuum. The tube seemed fine but it didnt seem like air in the system since bubbles werent coming out. Checked fluid level in the diff and it is fine. Cant figure it out any help would be greatly appreciated.
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