Broken bolt extractor! Urgent help pls.
10-21-2011, 10:14 AM
#1
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Year: 1999
Model: Cherokee
Engine: 4.0
Broken bolt extractor! Urgent help pls.
It started with a broken transmission crossmember bolt.
I was trying to remove it with bolt extractor and now the extractor broke inside and is stuck.
I tried drilling it but this pos is freaking tough....my drill bit didn't even cut.
Pls help, my transmission is held by only 3 bolts now
I was trying to remove it with bolt extractor and now the extractor broke inside and is stuck.
I tried drilling it but this pos is freaking tough....my drill bit didn't even cut.
Pls help, my transmission is held by only 3 bolts now
10-21-2011, 11:26 AM
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Year: 1990
Model: Cherokee
Engine: 4.o
Advisory....this is completely dangerous and i do not reccomend it!
Reverse drill press. one cordless drill with new bit. align with what you want to drill out. place drill on jack and tape the trigger down. SLOWLY raise the jack. removes the human fatigue of drilling upside down and apply's constant pressure. see you in the ER or at the Junk Yard (after you drill through your tranny or crack the case.)
Reverse drill press. one cordless drill with new bit. align with what you want to drill out. place drill on jack and tape the trigger down. SLOWLY raise the jack. removes the human fatigue of drilling upside down and apply's constant pressure. see you in the ER or at the Junk Yard (after you drill through your tranny or crack the case.)
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10-21-2011, 11:32 AM
#10
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Year: 2000
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the extracter is hard steel get a good punch. sharpen in a bit. take a hammer and break the broke extracter up. it will crack and break with the punch and hammer.
10-21-2011, 12:44 PM
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Year: 1997
Model: Cherokee
Engine: 4.0
Advisory....this is completely dangerous and i do not reccomend it!
Reverse drill press. one cordless drill with new bit. align with what you want to drill out. place drill on jack and tape the trigger down. SLOWLY raise the jack. removes the human fatigue of drilling upside down and apply's constant pressure. see you in the ER or at the Junk Yard (after you drill through your tranny or crack the case.)
Reverse drill press. one cordless drill with new bit. align with what you want to drill out. place drill on jack and tape the trigger down. SLOWLY raise the jack. removes the human fatigue of drilling upside down and apply's constant pressure. see you in the ER or at the Junk Yard (after you drill through your tranny or crack the case.)
HOLY ****! Are you being for real!?! WHy would you even type that?
As stated above. Its hardened steel... hit it good with a punch and remove carnage.. you may be looking at centering a carbide tip drill and by hand "not effin jacks and tape" <<< Thats just being lazy and redneck. and tap out the broken bolt. from there a small screw driver and a little picking will collapse the remaining carcas of a bolt and you will be good to go. BTW use lots of cutting oil otherwise you will burn up your bit and create way more heat than you need which WILL weaken the aluminum. Or take it to a shop for extraction. I have personally done this once due to my aggravation escalating to where I was borderline homicidal lol. Just take your time and you will be good to go.
10-21-2011, 01:36 PM
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Year: 1999
Model: Cherokee
Engine: 4.0
Thank you all for the advice. 
I'll give the hammer and punch a shot, if it still not work, i'll try some cobalt drill bits (starting with small bit and progressing to larger one)....
I hear you bro.
What kind of shop should i look up in the yellowpages?
Wish me luck.
I'll give the hammer and punch a shot, if it still not work, i'll try some cobalt drill bits (starting with small bit and progressing to larger one)....
What kind of shop should i look up in the yellowpages?
Wish me luck.
Last edited by BotakBeng; 10-21-2011 at 01:39 PM.
10-21-2011, 02:40 PM
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Year: 1997
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Any Automotive shop should be able to handle it. Keep in mind I do mean auto shop and not a quick lube or tire shop. Automotive Repair is what you need to look up.
10-21-2011, 02:54 PM
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one of my thermostat housing bolts did the same exact thing.
it broke off then the extractor broke off inside the hole.
what my dad finallly did was drill it out with a masonry drill bit. I was really surprised it work.
so I tapped it, and the head cracked slightly. So I finished tapping it, then I put tons of JB weld on the threads and a stud and put her in.
that was about 60K ago. still works great, have replaced the thermostat twice.
it broke off then the extractor broke off inside the hole.
what my dad finallly did was drill it out with a masonry drill bit. I was really surprised it work.
so I tapped it, and the head cracked slightly. So I finished tapping it, then I put tons of JB weld on the threads and a stud and put her in.
that was about 60K ago. still works great, have replaced the thermostat twice.