10-02-2023, 03:37 PM
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#16
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Senior Member
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Join Date: Feb 2012
Location: DFW, TX
Posts: 2,059
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Senior Member
Join Date: Feb 2012
Location: DFW, TX
Posts: 2,059
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Quote:
Originally Posted by Sparky 97Runner
I would think that driving with a broken rear control arm would make the rear of the vehicle extremely unstable and your rear wheel would probably be making intermittent contact with the wheel well. I wouldn't do it. Did you break it on a rock or something? A lot of people run without rear sway bars and this probably didn't contribute to your broken control arm. There are plenty of stories of bent rear lower control arms but rarely broken.
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I can confirm. I have lost the front bolt, twice, for the rear LCA. How it didn't drop down and drag the ground is beyond me. The 1st time, was on a rough trail, and rear tire started rubbing like crazy over small bumps.
The 2nd time, I was going about 50mph... and when I hit the brakes, the whole truck changed lanes... I limped it a half mile down the road at 10mph and replaced the bolt on the side of the road in a church parking lot.
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10-02-2023, 07:41 PM
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#17
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Member
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Join Date: Jul 2022
Location: Beaverton
Posts: 317
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Member
Join Date: Jul 2022
Location: Beaverton
Posts: 317
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Quote:
Originally Posted by shadow247
I can confirm. I have lost the front bolt, twice, for the rear LCA. How it didn't drop down and drag the ground is beyond me. The 1st time, was on a rough trail, and rear tire started rubbing like crazy over small bumps.
The 2nd time, I was going about 50mph... and when I hit the brakes, the whole truck changed lanes... I limped it a half mile down the road at 10mph and replaced the bolt on the side of the road in a church parking lot.
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I've had blown bushing for the rear LCAs and that's bad enough. "Rear Steer" is an issue. I can't imagine losing a whole side! Geezus that must have been scary.
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2000 4Runner SR5 Manual Trans Federal Emissions - Eibach Pro-Truck coilovers, LC 7.5/Tokico Black, JBA UCA, SPC 25945 RLLs, Mevotech Supreme RULs, TrakMotive Xtended Travel CV Axles TO-8043ET, South Bend Rally Clutch, ES & Whiteline Bushings, MagnaFlow Cat-Back, Deck-Plate Mod, 4.56 Yukon Gears, Yukon Grizzly Rear Locker, Bushwacker Flares, 16x8 Wheels w/ 285/75 General Grabber AT2, 229K+ Miles
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10-06-2023, 06:24 PM
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#19
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Elite Member
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Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,499
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Elite Member
Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,499
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Quote:
Originally Posted by brillo_76
I can't imagine losing a lca bolt or control arm. It's bad enough when one of the uppers snaps. They immediately cause issues. The lower rear coming loose could be a flip over crash event. I'm glad all was well.
Sent from my SM-A536V using Tapatalk
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I had my left rear LCA bracket break loose while driving. Fortunately, I was on an empty interstate and had not gotten up to speed. It was really weird. The body shifted toward the side with the loose LCA, while the chassis kept proceeding normally in a straight line. If you think about it, the chassis doesn't know or care that the link is broken. The weird part was having to steer in a direction other that straight ahead from your reference point inside the body.
I pulled over and walked around the truck and soon figured out the cause. I was only five miles from home, so I was able to do an illegal U-Turn and get home going about 25 mph. It was fine going in a straight line, but turns were a little hairy. That led to the cosmic experience detailed in the thread linked in my sig, where you can see pics of the broken arm bracket.
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'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
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10-07-2023, 11:57 PM
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#21
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Elite Member
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Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,499
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Elite Member
Join Date: Nov 2006
Location: Pocono Mountains
Posts: 7,499
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Quote:
Originally Posted by brillo_76
You break off the frame or off the axle housing?
I know the lowers control arm brackets are notorious for coming off the frames. 
Glad you got home safely
Sent from my SM-A536V using Tapatalk |
The frame:
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'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
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