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Old 01-15-2020, 10:43 AM   #1
Ax0n
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Member#: 510725
Join Date: Jan 2020
Location: Denver
Vehicle:
2004 WRX Wagon
White

Post Ignition coil bolt stuck

Hey guys, long time lurker first time poster. I could use some help on this.

I was replacing my spark plugs last week. When I got to replacing the last plug on cylinder 4, the bolt for the ignition coil broke off when I was removing the coil. Currently, the bolt is in the engine block still and the top of the bolt is flush with the valve cover. Does anyone have an advice on how to get this bolt out or know anyone else who has ran into this problem?

My current course of action is to remove the valve cover so the bolt will be sticking out of the block. Im thinking if its sticking out enough I could get some vice grips on it and spin it out. I would also spray the bolt with PB blaster, but not sure if that would make a difference or damage the engine.

Also, it does not look like there is enough room to get a drill in there with an extraction bit. Possibly if the drill had a swivel socket.
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Last edited by Ax0n; 01-16-2020 at 05:44 PM.
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Old 01-24-2020, 07:18 PM   #2
Ax0n
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Member#: 510725
Join Date: Jan 2020
Location: Denver
Vehicle:
2004 WRX Wagon
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Was able to remove the bolt. There wasnt enough clearance from the top to get a solid grip on the bolt with vice grips. I was able to jack up the engine and borrow my friends drill and bolt removal kit and was able to get it out.
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Old 01-24-2020, 11:50 PM   #3
CosmoTheCat
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Join Date: Jan 2001
Chapter/Region: NWIC
Location: Oly
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98 My FMIC
Is bigger than yours.

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Lucky dog. If that didn't work, welding a nut to it would have been my suggestion. Drilling a steel bolt in an aluminum head can go really wrong, especially in a confined area.
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