When I removed my glow plugs for replacement, one snapped off at the element right below the thread and has stayed tightly jammed in the cylinder head. I have no problem starting with one plug U/S but would prefer to remove it if there is an easy way. I have tried running the motor to "blow it out" , didn't work. I tried getting a self tapping screw into it but the white insulating powder in the element wont let the thread get started, and I think it is jammed too hart to pull out that way anyhow. I would like to hear from anyone who has found a way to remove the stub without removing the head.
Thanks. Phill.