YJ. 4.0L 6cyl. 5 speed manual transmission. D35 rear with detroit lockers. Just took off the rear track bar. 4.56 gears. 33's m/t's.
This just happened.. literally I was on my way to work, backed out of my driveway and put it in first gear, then when I shifted to second I got a loud thunk/thud noise (felt like the rear drums seized) with a binding feeling and as I slowed down I heard a ticking/knocking noise coming from the rear end. The knocking noise slowed down as the Jeep slowed down. The first thud noise sound exactly like when you put a jeep in first gear and run the rpm's up to 2-3K and then just pop the clutch out hard. I thought it was my pinion - I've had that happen before. But with the pinion it knocks constantly when you shift into higher gears. It's not transmission either - that's still strong. It's cold and rainy here but from the brief visual inspection there is nothing out of the ordinary. I hear squeaking in the rear right...but that could be the rain (although it hasn't made that kind of squeak in the rain before....) It happened again on the drive to work (I drove since i couldn't see anything wrong) and it happened again on a smaller degree when I shifted into 5th at about 45mph. Same binding feeling (same thud like I shifted with the rpm's hight) and the knocking noise when the clutch is out and running is still there...help guys...I have no clue what this is.