Ball and trunnion boot replacement

cudamark said

Actually, getting the pin back in and centered is the hard part. The slightest bit off center and the driveshaft will vibrate. Same goes for those VW axle boots. With a seam on just one side, it can cause a vibration too.

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You do not have to take the pin out at all unless it or the balls are worn. The factory service manual shows how to do it. If I had to rebuild the ball and trunion, I would do the u-joint conversion, but if it is just the boot, it is not that difficult.