Actually on our front brakes, you can stick the screwdriver in the vents of the rotor and pry the piston all the way back in with no problem and no damage to anything. You can do the rears that way too, but they have no vents, but if you take your time and apply gentle pressure, the rotors won't be damaged (not an issue anyway if you're having them turned or replacing them). In both cases (front and rear), the fulcrum point for the screwdriver is on an opening in the caliper - pads are never touched by the screwdriver, and, on the fronts, the working surface of the rotors are not touched. Works great.
I do that and then use the brake pedal to move the pistons all the way out. I repeat that 4 or 5 times - right after removing the wheel *BEFORE* removing the caliper (pads and rotor still on). Doing this ensures that the piston is not stuck or thinking about sticking in the future. You can't do that with the C-clamp (at least, not quickly - would have to remove and re-install caliper each time).
'98 LXi - Later Concorde gages (black w/ chrome rings)/'99 LX - LHS gages (white) - HIR bulbs
Last edited by peva; 07-13-2005 at 08:50 PM.