fiatslug87 Posted June 3, 2019 Posted June 3, 2019 I've had a vacuum leak at cylinder 6 and found the last stud missing. I just removed the intake and exhaust manifolds and can now see the stud is broken about 1/8" below the surface. I don't' think I can get a drill, even a 90° drill in there due to the firewall bump out. What would you guys do? 90 4.0L
JMO413 Posted June 3, 2019 Posted June 3, 2019 I am about to find out myself. I'm in the same boat. Planning on trying to weld to it. Hopefully that will work. Good luck!
Jeep Driver Posted June 3, 2019 Posted June 3, 2019 Remove the bolt at the driver's engine mount. Unbolt the trans mount at the xmember. Jack up the engine a couple of inches. Slide the trans to the driver's side an inch or two. You'll have all kinds of room and a better angle. And if you have one and are worried about it....remove the mech fan.
fiatslug87 Posted June 4, 2019 Author Posted June 4, 2019 Just by looking at it I can't see that the lifting/tilting method would give enough clearance, this is also a manual so the shifter would need removal(?). I'm thinking of pulling the head, is this crazy?
87MJTIM Posted June 4, 2019 Posted June 4, 2019 I just fixed my CJ7. It had a broken stud where the steering gear box mounts to the frame. I ended up on my back drilling the bolt out. One broken drill bit and a CRAPpy HF tap-n-die set and problem solved. Yeah me!
fiatslug87 Posted June 4, 2019 Author Posted June 4, 2019 Anyone use a 90° flex shaft attachment? Think this will work? https://www.amazon.com/DEWALT-DWARAFS-Right-Angle-Shaft/dp/B013UBXU3E/ref=mp_s_a_1_3?keywords=dewalt+right+angle+attachment&qid=1559610357&s=gateway&sr=8-3
87MJTIM Posted June 4, 2019 Posted June 4, 2019 I used this. Picked it up at Lowes. It worded well. I was able to push against the drill head and the drill at the same time.
JustEmptyEveryPocket Posted June 4, 2019 Posted June 4, 2019 I would weld it personally. Hold a nut on the outside and fill it up with wire.Then let it cool a bit and wrench it out.
89 MJ Posted June 4, 2019 Posted June 4, 2019 14 hours ago, JustEmptyEveryPocket said: I would weld it personally. Hold a nut on the outside and fill it up with wire.Then let it cool a bit and wrench it out. I have done this many times in the past and it has worked probably 80% of the time. This would be my starting place, if possible.
DirtyComanche Posted June 4, 2019 Posted June 4, 2019 17 hours ago, JustEmptyEveryPocket said: I would weld it personally. Hold a nut on the outside and fill it up with wire.Then let it cool a bit and wrench it out. 3 hours ago, 89 MJ said: I have done this many times in the past and it has worked probably 80% of the time. This would be my starting place, if possible. This. If it failed I would pull the head and remove it on the bench, probably by drilling.
fiatslug87 Posted June 4, 2019 Author Posted June 4, 2019 SUCCESS!!! All it took was a drill, a 90° flex shaft attachment, a fresh 1/8" bit, a screw extractor and an extra pair of hands (wife's) to run the drill while I worked the bit end... in 92° weather.
MJXJjeepguy Posted June 4, 2019 Posted June 4, 2019 2 minutes ago, fiatslug87 said: SUCCESS!!! All it took was a drill, a 90° flex shaft attachment, a fresh 1/8" bit, a screw extractor and an extra pair of hands (wife's) to run the drill while I worked the bit end... in 92° weather. Hooorah!!!
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