Quote:
Originally Posted by JimmyL
I'm doing horribly at asking my question. 
What part of the glow plug breaks??? Tip? At threads?
Dilithium Crystal? Warp plasma coil?
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The GP breaks right below the hex flats. Therefore the hex portions spins free, and the center core is still connected at both ends. When this happens, it entails breaking the connector end to remove the hex portion, then using fairly standard broken-bolt-removal techniques. It's not pretty.
I found great success on subsequent glow plugs by: warm engine, lots of PB Blaster, torque wrench set to 50NM.