Steering Click leaving me nervous

So I had the ZHP in the garage for some miscellaneous maintenance, and I needed to move it backwards about 3 feet. No point in starting the engine, so I used my foot to move it back. I'm glad I did, b/c I noticed a very audible "click" when I turned the steering wheel (position 2, engine off) along with a little bit of play.

This does have me a bit nervous.b/c tomorrow I plan on going out for some intense mountain driving. Is this something I should be worried about or is this normal?

I can't get the car to a lift before driving tomorrow, but I can certainly look under the car. I don't know how long it's been doing this as I only noticed it b/c the engine was off.

Woah. I felt something click in my suspension today, too. It was while I was driving, though. Hope you figure it out.

Steering endlinks or cab loading because you were backing up?

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Here's a video I made that quite distinctly demonstrates the noise I'm talking about:
http://tinypic.com/player.php?v=2gsm...8#.UvcbtSjBzU5

Kinda is like this....

http://www.youtube.com/watch?v=bwT1_Lv9fz4#t=76


http://forum.e46fanatics.com/showthread.php?t=448081

That looks like it's it. Thanks for the info! Hopefully it's not too difficult/expensive to replace.