Death wobble |
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General Eisenhower
Member Sponsor Member Joined: 24 Aug. 2018 Location: DE Status: Offline Points: 1692 |
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Posted: 12 Mar. 2020 at 4:31pm |
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Hi all. Spring is starting to warm, and so is my project. Before I get to my main point. Can you experienced manual driverfrivers give me some pointers. Everything I know is self taught, and usually all is well, sometimes I stall out in 1st gear. How can I avoid do this?
Alright for the main event. This Sunday I was on a drive in my project, no fenders, hood, grille for now. But it drives nonetheless. And then I experienced the death wobble, scared the piss outta me. I believe the problem. Is between the steering gear and the throw rod. Also the well has some slop without anything moving visibly. Any help is helpful!
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I Like Ike!
1948 CJ2a "Hefty Horse" 1994 Jeep Wrangler Sahara 2016 Jeep JKU 75th anniversary edition |
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willys54wagon
Member Joined: 24 July 2008 Location: Ames, IA Status: Offline Points: 1444 |
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check the lockouts, having one engaged and other not may be part of the problem.
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Two jeeps on the road, one is close and the rest are dreams.
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General Eisenhower
Member Sponsor Member Joined: 24 Aug. 2018 Location: DE Status: Offline Points: 1692 |
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I will, but I also want to note, this is the first time it's happened, about a dozen road drives, and not fooling with the hubs, but I'll check
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I Like Ike!
1948 CJ2a "Hefty Horse" 1994 Jeep Wrangler Sahara 2016 Jeep JKU 75th anniversary edition |
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willyt
Member Sponsor Member Joined: 31 July 2018 Location: Seneca,SC Status: Offline Points: 514 |
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Have a buddy turn the steering wheel back and forth. You watch for movement/slop in the steering components. Wherever there is movement would be the area needing attention. Steering stablizers are a band-aid fix that works pretty well. Balancing tires help. Among other stuff.
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1952 CJ3A (Lil'Green)
early M38A1(Ole Green) 1970 Jeepster Commando |
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Lee MN
Member Joined: 13 Aug. 2008 Location: Harris, MN Status: Offline Points: 4923 |
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1) Worn Kingpin bearings
2) Worn sloppy Bellcrank 3) Worn or loose drag link ends 4) Worn or sloppy Ross steering box 5) improper toe in or wheel allighnment Lee |
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LEE
44 GPW-The Perfected Willys 49 2A “If you wait, you only get older” 67 M715 American Made Rolling History |
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smfulle
Member Sponsor Member Joined: 16 Sep. 2010 Location: Ogden, Utah Status: Offline Points: 6123 |
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A multitude of issues contribute to "death wobble."
This thread from the Tech FAQs section discusses some of them and links included there go further in depth. Driving a manual transmission is a learned art. Roll out stalls happen to even the most experienced of us on occasion. Feather the skinny pedal a little sometimes helps me by dumping just a little bit more fuel into the intake with the accelerator pump, but not enough to turn high revs. You don't want too much throttle or you'll pop your neck and your passenger will cuss, but you do need enough revs to not bog down. This is even trickier when stalling out on a steep wall where death and/or destruction await a roll back or other mistake.
Edited by smfulle - 13 Mar. 2020 at 3:35pm |
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SE Kansas 46 CJ-2A
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6) Worn tie rod ends 7) Bad tire balance 8) loose wheel bearing adjustment or worn spindle(s) |
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46 CJ-2A #64462 "Ol' Red" (bought April 1969)(second owner)(12 V, 11" brakes, M-38 frame, MD Juan tub)
U.S. Coast Guard Chief Petty Officer(ret.) U.S. Army Vietnam veteran and damned proud of it. |
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mbullism
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Those who do not learn from history are doomed to repeat it... Welcome to 1930's Germany
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Stev
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"
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Stev
1946 CJ2A Trail Jeep (The Saint), 1948 CJ2A Lefty Restored |
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jpet
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What kind of tires are you running. What type of shackles?
The reason I ask is because in my experience with NDTs, it has always been resolved with new tires. I do not have any loose connections but it seems like the only place for my jeep to "wobble" is at the shackles. Mine are the two plate style with poly bushings. I'll drive on a set of tires for a couple years and eventually, the death wobble shows up. Buy new tires and it goes away... for a couple years. MMV |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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General Eisenhower
Member Sponsor Member Joined: 24 Aug. 2018 Location: DE Status: Offline Points: 1692 |
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They are NDTs bit they are almost new. As the shackles are stock so they shouldn't be a problem. This is a first for me. Made it worse cause I didn't have the brake line connected
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I Like Ike!
1948 CJ2a "Hefty Horse" 1994 Jeep Wrangler Sahara 2016 Jeep JKU 75th anniversary edition |
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Bill2A
Member Joined: 01 Mar. 2018 Location: Fort Worth, Tex Status: Offline Points: 516 |
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Death wobble is an all too common problem.
You will get a lot of answers that are variations of I changed this, it got better, so that part is always the answer. Just because that part fixed their problem does not mean it will fix yours. It can come from noticeable slack in any part of the steering. It can also come from just a little slack in every part of the steering. Bottom line is that if the whole steering system is good, you should be too. A damper is still good insurance. Getting used to using a clutch is an art form. You can prevent stalling by either letting the clutch out slower or releasing at a bit higher RPM. I would suggest higher RPM. Within reason the clutch will thank for it. In time you will find your happy point between stall and tire chirp. |
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1946 CJ2A 14098
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General Eisenhower
Member Sponsor Member Joined: 24 Aug. 2018 Location: DE Status: Offline Points: 1692 |
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So my steering box was a little loose, tightened it to no avail. Took the slop out of the steering wheel, didn't stop it.
There is a spot on my country bumpkin road that I go over it faster than 20 mph to test out the wobble. So far haven't found the problem/solution
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I Like Ike!
1948 CJ2a "Hefty Horse" 1994 Jeep Wrangler Sahara 2016 Jeep JKU 75th anniversary edition |
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athawk11
Member Joined: 18 Jan. 2012 Location: Arvada,Colorado Status: Offline Points: 4145 |
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1- 1946 CJ2A
2- 1949 CJ3A |
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RSR_MK
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Many things can contribute to the wobble. The last one I had ended up needing a little more toe in. I think I gave it about a half turn in.
Mike |
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General Eisenhower
Member Sponsor Member Joined: 24 Aug. 2018 Location: DE Status: Offline Points: 1692 |
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I'll give it a look, I am gonna make the front up so I can paint the rims, it'll give me a chance to look at it. I'll keep y'all posted
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I Like Ike!
1948 CJ2a "Hefty Horse" 1994 Jeep Wrangler Sahara 2016 Jeep JKU 75th anniversary edition |
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IronAge52
Member Joined: 22 Aug. 2016 Location: San Diego Status: Offline Points: 257 |
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don't forget tire and wheel balancing plus air pressure .helped big time on my M 38. I always say, start with the easiest first. I loved the Black board picture, so true. |
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gearwrencher
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General Eisenhower
Member Sponsor Member Joined: 24 Aug. 2018 Location: DE Status: Offline Points: 1692 |
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Could it be a problem at such a low speed?
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I Like Ike!
1948 CJ2a "Hefty Horse" 1994 Jeep Wrangler Sahara 2016 Jeep JKU 75th anniversary edition |
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