NEED HELP,FUEL PUMP BOLT ISSUE,LEAKS OIL

Oldmanmopar said

The fuel pump bolts are a special bolts. They are the same and have a fixed face on them . Heli-coil is your only fix. I would do it in the car as stated above with grease on the tap. or have someone hold a small hose at the tap and the drill bit taped to a vacuum. A small amount of aluminum won't hurt anything It will get caught in the filter.

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Do you know which size helicoil kit I would need? What does “fixed face” mean?
Thanks for the tip about putting grease on then tap. Hope there’s room to do that.
I watched this video last night. It shows there being a “tang” that needs to be broken off with a punch after the helicoil is installed. How would I drive that out within the it falling inside the engine?



He also shows other methods. One is soom “thread restorer” stuff by locktite.