I'm replacing the brake pads on my front disc brakes. The guy at the parts place where I got the pads advised to bleed the brake fluid. I know to remove about 2/3 of the brake fluid from the master cyl. reservoir to avoid backflow(overflow) in the reservoir when depressing the caliper piston into the bore but is bleeding all the fluid really necessary? I can see it's probably a good idea every so often but I need pads on a regular basis and don't want to do it every time I replace pads if it's not going to cause problems. 87' K5 Blazer Silverado 350 TBI P.S. First time I'm doing this because I'm tired of paying somebody $100 for what seems to be a fairly simple task. I've got pads, 3/8" hex brake caliper bit, brake parts cleaner, c-clamp, am I forgetting anything? Any tips for installing pads appreciated.