Jeepjeepster wrote:
Do you have to hit the brakes for it to do it or does it do it if your just coasting and slowing down?
Haha, he knows what the slack in the splines is like so its probably not that. Hes talked about that before.

No, not that dreadful slack in the drivetrain.
Blake, this is completely new noise. It could happen when I am driving 20mph on a flat street, or when I am pulling over to park. As soon as I hear it, I turn the radio down and wait for it to come back.. It doesn't --only to happen when I forget about it and stop listening for it. And than cluck! it is there..
Not sure if you have lose manhole covers where you live, but it is common here in NY. This sounds just like as if I was running over one.