Squeak when braking

[The little red pill]

I've noticed that when braking suddenly at any speed (ie 5 mph, 10 mph) just as my cars comes to a dead stop there's a final squeak coming from one of the back wheels. It's sounds like a squeak from a spring, but it's not a spring since I've pushed down on the car to compress the springs and it doesn't make the noise. It's definitely when the car stops abruptly. It's a 2009 with only 10k miles, so I'm not sure what the problem is.
Also, I've always had a "click" sound coming from the front when shifting into park, don't know if it's the pin that goes in when shifting into park? Just haven't really heard this on any other auto trans before.
** Also, there have been no modifications ever to my car, and the wheels have not been taken off lately. Thanks for any advice!

[yarrr]

worn/warped/dirty shoes will squeak

Pull the drums off and clean the shoes off with brake cleaner. If large piles of dust come out when you take the drums off, that was probably your problem. The thickness of the shoes should be uniform and not wavy. You could also try adjusting the rears, there's a topic on the forums somewhere about it.

If you don't wanna do that, get up to 25 in reverse and slam on the brakes

[IllusionX]

ya.. i just notice that..

took off the drum the other day, and blew compressed air on it. put it back and no more squeaks.