Won't crank?
Add On,
Just thinking of your situation..When you have this problem, does it just cluck once? I mean, when you turn the key to start what's happening? nothing? I take it you have a auto. Can you take off your access cover and feel around or probe with a flashlight to see if a part of your starter pinion gear or flywheel has broke off and is jamming the flywheel?
Just an idea, trying to help out.