I drive without a steering stabilizer and I don't have death wobble. I hate to bust Harmons bubble but a new steering stabilizer is not the fix to death wobble. 
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I disagree, I know Harmon 4 wheel drive they have done work for me in the past. They are good people. Ok now death wobble.....sometimes it is very hard to pin down as the forums will prove I am sure.....
Here is what happened to me. I made my own long arm kit and decided to extend my wheel base a inch or so in the the front and the rear.....I changed steering as well and started to get death wobble going about 35 and it would really come on when turning left while going ~35.
While adding a stabilizer is a band-aid and I understand that. My Jeep comes with one....(for a reason)....LOL. I added one back and the DW is gone.....I am cool with that.....the addition doesn't take anything from the steering and I am much happier....
SO if it worked then go with it. I see nothing bad and all good with what Harmon did....
Here is what happened to me. I made my own long arm kit and decided to extend my wheel base a inch or so in the the front and the rear.....I changed steering as well and started to get death wobble going about 35 and it would really come on when turning left while going ~35.
While adding a stabilizer is a band-aid and I understand that. My Jeep comes with one....(for a reason)....LOL. I added one back and the DW is gone.....I am cool with that.....the addition doesn't take anything from the steering and I am much happier....
SO if it worked then go with it. I see nothing bad and all good with what Harmon did....
Adding or replacing the steering stabilizer to cure Death Wobble is like placing a band-aid over a skin cancer. It's just not worth the $$$ since the real source of the DW is still there.
Two things to do right away that cure most instances of DW. Get the tires perfectly balanced. Perfectly. The bigger the tire, the more critical this is. Next, check and tighten the lower trackbar mounting bolt to 55 ft-lbs for 2002 and older, and 45 ft-lbs for 2003 and newer. Out of balance tires are the most common trigger for DW and a loose trackbar is what allows the DW to develop once triggered.
Loose/bad bushings in the control arms can also allow DW, as can loose ball joints in the front end. Insure your toe-in is set properly too, 1/8" is a good setting to go for.
You can also have someone turn the steering wheel slowly back and forth for you while you sit underneath in front and look for something moving that shouldn't be. That can help pinpoint the true source of DW.
Any 4x4 shop that simply recommends some sort of a stabilizer to cure DW doesn't know their a$$ from, well, you get the picture.
Two things to do right away that cure most instances of DW. Get the tires perfectly balanced. Perfectly. The bigger the tire, the more critical this is. Next, check and tighten the lower trackbar mounting bolt to 55 ft-lbs for 2002 and older, and 45 ft-lbs for 2003 and newer. Out of balance tires are the most common trigger for DW and a loose trackbar is what allows the DW to develop once triggered.
Loose/bad bushings in the control arms can also allow DW, as can loose ball joints in the front end. Insure your toe-in is set properly too, 1/8" is a good setting to go for.
You can also have someone turn the steering wheel slowly back and forth for you while you sit underneath in front and look for something moving that shouldn't be. That can help pinpoint the true source of DW.
Any 4x4 shop that simply recommends some sort of a stabilizer to cure DW doesn't know their a$$ from, well, you get the picture.
By the way, DW is something that affects more brands than just Jeeps. The bigger the tire, the more a front-end is suceptible to it, and the more carefully tires must be balanced and the tighter more components like bushings and ball joints must be.
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