Well.....I got it out!!!
In car knock sensor removal
After loosening the shield.....and poking around for a bit ....I discovered that you can slide it toward the passenger side between the engine and trans and it will come out.
I don't know if I could have done this without removing the shield but you don't (or shouldn't) try to remove the bolts holding the shield completely as the bolt holes are slotted and would probably be a royal pain to restart.
The sensor is a 7/8" and a deep well is too long. I used a standard 12 point 1/2' drive to remove the broken one. If the motor was out of the car a deep well would be fine. But to replace with a new one I believe you run the risk of breaking it.
I am going to try to find a medium length in 3/8" drive and hope it fits with a swivel so I don't risk damaging it as I tighten it back up.
This job is NO FUN.
Last edited by nomad61; 03-13-2010 at 10:16 PM.