I just did mine this past weekend, it's quite easy. If you open one of your bleeders and pump the pedal until the reservoiris almost empty, keep adding new fluid and continue pumping untill you have the new fluid coming out of the bleeder, the first one will take a few minutes, but the other 3 will be much quicker. I think it took me about 20 minutes to do the compleat flush, with the help of a friend to pump the pedal. I installed new stainless braided brake lines before flushing out all the old fluid, between the new lines and the valvaline synthetic brake fluid, the pedal feels much firmer and seems much better. The only reason I flushed the old fluid out was because I didn't want to mix the new stuff with what was in there.
HAD A 2003 2.3L, amsoil duel remote by-pass filters, amsoil pre-oiler, all amsoil lubricants in everything, gibson sidswept exhaust, hurst shifter, K/N fipk intake, roush front and rear sway bar kit, frozen rotors, hawk performance brake pads, flex-a-lite electric fan(FLX-180), bilstein shocks, suvlights headlight harness, piaa extreme white headlights, optima redtop, ta performance aluminum rear end girdle, limited slip rear carrier, stainless braided brakelines, bama tuner.