Originally Posted by 88fordman
typically i feel driveshaft u-joints on accel. they are known for bad rear shocks. also, was it disc or drum in the rear? the disc brakes like to seize up and that could give you some noise.
lastly, I don't do a ton of them but the rearends like to leak and it could have chewed itself up.
Isn't the Escape a front-wheel drive unless it's in 4wd?
I'm guessing it's something binding and releasing just before the back end comes down when braking, like the stuff mentioned already (shocks, a-arm, sway bar, brake pads, motor mount).