Snapped tire rod causes roll over crash...

Cville4

New member
My uncle drives a '97 4runner with 235k miles and has always meticulously maintained his beloved SUV. Well, last weekend he was driving through his community at roughly 35 mph when suddenly his SUV lost control and flipped over several times without any warning, coming to rest on its hood (the story even made the local paper.) Fortunately he suffered only minor injuries and after the crash inspection they found that the tire rod snapped and buckled inward, causing the sudden loss of control and roll over. They also concluded that, if he were driving a more normal speed of, say, 55+, he probably would not have survived the crash.

The crash investigator also told my uncle that this is actually somewhat common with 10+ year old SUV's and, though most tire rods buckle outward (causing an obvious problem but no roll over), the ones that buckle inward often end up being crash death investigations and he was one of the lucky ones. He said he had investigated 3 similar SUV crashes due to snapped tire rods this year alone with all resulting in fatalities (none 4Runner). With all the being said, this obviously freaked me out given I drive an 8 year old 4Runner with 215k miles. Anyone ever heard of this and any suggestions as to preventing such an event? Again he's an absolute freak about maintaining his SUV and said told me the other day that he didn't notice any warning signs whatsoever during random inspections; he literally was just driving on a normal day as always and the next thing he knew the paramedics were pulling him out of his car upside down.
 
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you sure it was the tie rod, not a lower ball joint, cause when a LBJ goes it will snap a tie rod like a twig, and it could give the appearance of a tie rod snapping. alls im saying is that with 200k+ miles on a 4runner a LBJ is at the end of its life and they have been a major area of concern for us 3rd gen 4runner owners.
 
Great question but absolutely tire rod and not lower ball joint...LBJ was fine and was not a part of this accident.
 
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I would need to see pics of this to believe it, sorry. As a Toyota mechanic of 10 years. I have NEVER seen, heard of, or otherwise about a tie rod breaking on any 1996-current Toyota truck product without being in a collision of some sort, meaning an accident, or a hard hit with a curb, etc. I have seen more lower ball joints fail than I can count. I have also seen "loose" inner and outer tie rods where they have a little play and will cause some tire shake on the highway, but again, never breaking.

With that being said, I am very happy to hear that your uncle is OK and am sorry for the loss of yet another 4runner. Do you have any pictures of the broken suspension? That could help with the diagnosis. Also, cops, even the crash investigators, are not mechanics, or engineers. They are very good at determining where and how the crash happened, but not always great at the why. Especially if it is a mechanical failure.
 
Are you sure he wasn't rolling on Firestone Wilderness tires.


Seriously though. Tire rod buckling out verses buckling in. I don't get it. Need to explain this to me.
 
Where did it snap? In the steering rack or at the ball joint? I've never heard of this before but LBJ failure is very common. Not familiar with the inward vs. outward buckling either. I could sort of understand it if it was a broken driveshaft, depending on which way the break they can either catapult the car or just bring it to a stop.

Regardless of what happened to the 4R I'm glad to hear he's okay.

Probably a good idea to do the LBJ's and the OTRE's on yours just to be safe.
 
picard-facepalm.jpg~original


Glad he's okay.
 
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Any pics (sounds nefarious to ask for such)? I guess the next question is along the side of Singtoe's, where did he buy his last set of tires and/or get an alignment?
 

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