Psuedo-Death Wobble ? 2003 Sahara - Jeep Wrangler Forum
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Old 03-20-2016, 12:43 PM
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Psuedo-Death Wobble ? 2003 Sahara

I have what seems to be a speed dependent wobble, so by definition, not full on DW. But I tell you, when it happens it is violent ! I am able to stop it by breaking.

I started diagnosing by getting tires B&R. I could tell this helped/ but did not eliminate. Then I started PLANMAN's diagnosis. The first thing I came to was a noticeable clunk and movement in the pitman arm-draglink connection.

My first question: could this be a torque check/tighten, or should i just replace the end and continue through diagnosis ?

TIA

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Old 03-20-2016, 12:48 PM   #2
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That's your track bar connection to the frame. Check it first on BOTH ends. You'll need to replace AT LEAST the bushings in both ends, if this is the problem. Is also check the wheel bearings and u joints at the front. Last, check the control arms to see if they've come lose.
Funny thing, I just developed this same issue last night. Occurs when I hit about 52mph up to about 56mph.
I'll let you know too what I find, but I have a much different setup on my TJ.

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Old 03-20-2016, 01:27 PM   #3
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That's your track bar connection to the frame. ....
Nope. As described, that is your drag link connection to the pitman arm.

LuLu, do a dry steer test and find all the connections that are loose and worn. Everything should be tight, including the track bar. Replace anything that isn't. If needed, you may be able to tighten the track bar. While you are at it, check your ball joints by lifting a tire off the ground and then levering the tire up and down. At the same, time check the unit bearings by holding the tire at 6 & 9 o'clock and try to turn the wheel. Again, everything should be tight.

Recently, I rebuilt my entire front end at 104k miles. It made a tremendous difference in how the Jeep handled. You can have one finger driving at any speed.
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Old 03-20-2016, 03:49 PM   #4
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Nope. As described, that is your drag link connection to the pitman arm.

LuLu, do a dry steer test and find all the connections that are loose and worn. Everything should be tight, including the track bar. Replace anything that isn't. If needed, you may be able to tighten the track bar. While you are at it, check your ball joints by lifting a tire off the ground and then levering the tire up and down. At the same, time check the unit bearings by holding the tire at 6 & 9 o'clock and try to turn the wheel. Again, everything should be tight.

Recently, I rebuilt my entire front end at 104k miles. It made a tremendous difference in how the Jeep handled. You can have one finger driving at any speed.
Yep, great advice....
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Old 03-22-2016, 10:33 AM
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Well, looks like the DW challenge will be put on hold. My radiator has started leaking. New one on the way.
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Old 03-22-2016, 10:43 AM   #6
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I have recently had the exact same DW issues. I have had the front left ball joints and U joint replaced. The left side definitely needed it, the passenger side can hold off according to the mechanic. I myself replaced the track bar and had my tires balanced and everything aligned. However the wobble is still there in the 50-55 mph range. Installing a skyjacker steering stabilizer today to see if this helps.
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Old 03-22-2016, 11:51 AM   #7
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I have recently had the exact same DW issues. I have had the front left ball joints and U joint replaced. The left side definitely needed it, the passenger side can hold off according to the mechanic. I myself replaced the track bar and had my tires balanced and everything aligned. However the wobble is still there in the 50-55 mph range. Installing a skyjacker steering stabilizer today to see if this helps.
A steering stabilizer will only mask the real problem until it comes back. Dig deeper. Do a dry steer test. Take a closer look at the left side that the mechanic said could wait.
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Old 03-22-2016, 12:58 PM   #8
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I have recently had the exact same DW issues. I have had the front left ball joints and U joint replaced. The left side definitely needed it, the passenger side can hold off according to the mechanic. I myself replaced the track bar and had my tires balanced and everything aligned. However the wobble is still there in the 50-55 mph range. Installing a skyjacker steering stabilizer today to see if this helps.
If the wobble goes away past 55mph, it's most likely tire balance. Speed sensitive wobbles are almost always tire/wheel balance.
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Old 03-22-2016, 01:25 PM   #9
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If the wobble goes away past 55mph, it's most likely tire balance. Speed sensitive wobbles are almost always tire/wheel balance.
I had my front end aligned and all 4 tires balanced last week right before I had my ball joints replaced on the left side. However, the two tires that are now in the front are significantly more worn and pretty bald for being mud terrain tires. Could the ware on the tires be causing this?
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Old 03-22-2016, 04:57 PM   #10
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I had my front end aligned and all 4 tires balanced last week right before I had my ball joints replaced on the left side. However, the two tires that are now in the front are significantly more worn and pretty bald for being mud terrain tires. Could the ware on the tires be causing this?
Many tire shops figure close enough is close enough when balancing. This isn't true on Wranglers especially running oversized tires. I would put the good ones on the front and make sure they are balanced accurately.
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Old 03-26-2016, 12:54 AM   #11
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Yep. Waters of is right. And I did mean the drag link...I have HD end-end tie rid and drag links both with heim joints. They're a bit spends at first, but I've had them in there now for 11 years. And they're goin strong, in case you wanted to get away from that not-so-good setup with the y-shape drag link and tie rod.
Any lifts you put in will increase that drive angle. So switching to wheel-wheel tie rod is fantastic.

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