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Unread 02-26-2012, 01:28 PM   #1
NGreen
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2007 WK Broken Subframe Bolt

I'm curious to see if anyone has ever found any of their subframe bolts broken because of rust. I found a broken bolt head sitting in the driveway and figured it was my XJ's. Couldn't find any random bolts without bolt heads on the XJ and remembered I needed to get the front end aligned on the WK. Sure enough, I do need it aligned because the drivers side front subframe is separated from the frame by about 3/8" and the suspect bolt is still there with no bolt head. It's curious because I've never taken this jeep off of the highway and it's usually driven by my wife so I don't think it's been abused to the point where a subframe bolt would break. Also, do you think this is could be a warranty issue or am I just stuck trying to fix it myself hoping nothing else is broken. I can't tell yet but I'd suspect that the subframe is bent because the other bolts are holding just fine but there's a large gap on the drivers side front...enough to cause the steering wheel to be off center and the jeep to pull to the passenger side.

Thoughts? Opinions?



Notice the sway bar limit tab flush with the bushing bracket on the passenger side.



A 9/16" wrench fits in there just fine



The offensive bolt head







Drivers Side...Notice the bolt head in the correct spot and the gap where the sway bar limit tab is between the bracket and the tab.



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Unread 02-27-2012, 07:32 PM   #2
NGreen
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Well, taking it to the dealer tomorrow to see if they are gonna replace it or not. On the positive side, they're letting us take a 2012 Overland Summit edition home until they figure it out!
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Unread 02-28-2012, 07:59 PM   #3
NGreen
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Well, it looks like I'm doing the bolt myself because the Jeep dealer can't seem to figure out how it would rust in half. I tried to explain to them that it happens from time to time with defective bolts but they didn't seem to understand that. Their explanation was that I must have gotten into an accident somehow and broken it that way and it would not be covered by warranty. Seems like a lame explanation to me, but oh well.

So, has anyone removed the front subframe before and have any tips from where snags might be?
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Unread 02-28-2012, 08:10 PM   #4
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Quote:
Originally Posted by 53guy View Post
Well, it looks like I'm doing the bolt myself because the Jeep dealer can't seem to figure out how it would rust in half. I tried to explain to them that it happens from time to time with defective bolts but they didn't seem to understand that. Their explanation was that I must have gotten into an accident somehow and broken it that way and it would not be covered by warranty. Seems like a lame explanation to me, but oh well.

So, has anyone removed the front subframe before and have any tips from where snags might be?
So then how do they explain the rust on the broken side of the bolt head? That "accident" you got in must have happened some time ago, huh? What a joke. Hope you're able to get in there and replace it.
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Unread 02-28-2012, 11:43 PM   #5
fatfreddy
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Quote:
Originally Posted by 53guy View Post
Well, it looks like I'm doing the bolt myself because the Jeep dealer can't seem to figure out how it would rust in half. I tried to explain to them that it happens from time to time with defective bolts but they didn't seem to understand that. Their explanation was that I must have gotten into an accident somehow and broken it that way and it would not be covered by warranty. Seems like a lame explanation to me, but oh well.

So, has anyone removed the front subframe before and have any tips from where snags might be?
Buy yourself a reverse drill bit and drill the old bolt out.That is a drill bit that you run the drill in reverse to do the drilling.Sometimes the bit will grab and spin the bolt out.If that doesn't work get a small brazing tip on a cutting torch and put the flame up in the hole and cherry up the bolt.Then let it cool off then try an easy-out.They are using the cheapest crap bolts they can buy now a days to put stuff together.They work harden over time and then just break.
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Unread 02-28-2012, 11:52 PM   #6
Texas WJ
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Honestly, find another dealer and get them to cover it.
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Unread 02-29-2012, 05:46 AM   #7
NGreen
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Quote:
Originally Posted by fatfreddy View Post
Buy yourself a reverse drill bit and drill the old bolt out.That is a drill bit that you run the drill in reverse to do the drilling.Sometimes the bit will grab and spin the bolt out.If that doesn't work get a small brazing tip on a cutting torch and put the flame up in the hole and cherry up the bolt.Then let it cool off then try an easy-out.They are using the cheapest crap bolts they can buy now a days to put stuff together.They work harden over time and then just break.
Ya, I'm debating trying to use an easy out but being a 10.9, even a crap quality bolt is still hardened and bound to be a pain in the butt. It almost seems easier to just drop the subframe an inch to get a pair of vice grips in there and work it out that way.

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Honestly, find another dealer and get them to cover it.
There's only one other in the area and we're trying. We're also calling Chrysler customer service to see what they can do. The issue is I have to get my wife to do everything with two kids (military, not able to get out of work during the week) and is it worth the hassle at this point? Trying to debate if it is worth my time to try and get the dealer to cover it or just buy the $20 in bolts and do it myself. If nothing else it'll be interesting. The FSM says to take off a bunch of parts and somehow suspend the motor and front diff at the same time just to drop the subframe out.
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Unread 02-29-2012, 05:59 AM   #8
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My oil pan is the rustiest thing on my 05' WK...pissed I can't change it myself.

wonder how my bolts are doing...the clamps that hold the exhaust on look a little shoddy and covered with rust.

find any other issues post-bolt.
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Unread 02-29-2012, 06:28 AM   #9
NGreen
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Other than my alignment off, no other issues yet. I'm sure there are a bunch of things that could be wrong but nothing as of yet. I'll let you know when I replace them this weekend.
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Unread 02-29-2012, 11:52 AM   #10
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That bolt has been cracked or split for a long time. An accident would cause a sudden stress with directional marks in the metal. That one failed over a long period of time.
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Unread 03-01-2012, 12:42 PM   #11
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After reading this. I just went out and checked my bolts since I do a lot of off roading. They are all good for now. They must have made these bolts with the same material they make the exhaust bolts with. My exhaust bolts broke like that a while back. The dealer replaced those under warranty.
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Unread 03-02-2012, 07:56 PM   #12
NGreen
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I'd like to say a dealer in Eastern NC could be worth a darn but this is not the case. Even after getting in touch with the Chrysler assistance line, they all said that because of the environment I live in (eastern NC), that the bolts are subject to failure due to rust and would not be covered under warranty. Again, I call BS on that because look at the area around the bolt, hardly any rust at all, not to mention I don't think they actually took a look at the bolt head to see how it broke. After being completely fed up with the dealer and Chrysler, I'll be replacing the cradle bolts tomorrow. Lets hope I can get to the bolt with vise grips without having to completely remove the cradle.
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Unread 03-02-2012, 08:17 PM   #13
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Well if they are blaming eastern NC for rust, then maybe you could blame Eastern NC for sand in thier vagina. That's retarded man. So according to what they are saying, your Jeep should basically be a rust bucket since you live in Eastern NC. So every car sold in Eastern NC should be sold without drivetrain warranty because of the Eastern NC environment? Because the sand and salty air causes rust? Bull Crap.

Sorry for the rant. Things like this really tick me off. Good luck with that bolt. Use a lot of PB blaster. Also look into renting some tools from Auto Zone, Advance or somewhere if you don't have the proper tools. Wish you were closer because I'd help.
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Unread 03-02-2012, 09:50 PM   #14
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So jeeps sold in the rust belt are really screwed!
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Unread 03-03-2012, 05:38 AM   #15
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Originally Posted by criket View Post
Well if they are blaming eastern NC for rust, then maybe you could blame Eastern NC for sand in thier vagina. That's retarded man. So according to what they are saying, your Jeep should basically be a rust bucket since you live in Eastern NC. So every car sold in Eastern NC should be sold without drivetrain warranty because of the Eastern NC environment? Because the sand and salty air causes rust? Bull Crap.

Sorry for the rant. Things like this really tick me off. Good luck with that bolt. Use a lot of PB blaster. Also look into renting some tools from Auto Zone, Advance or somewhere if you don't have the proper tools. Wish you were closer because I'd help.
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So jeeps sold in the rust belt are really screwed!
Read the warranty manual,clearly states that failures from stuff like salt and the like are not covered by any warranty.

It takes alot of force to break a grade 10.9 bolt,more so a M12 10.9 bolt.It did not rust apart you hit a curb or something very hard for that to break and not admitting it.
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