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Topic Review (Newest First)
01-08-2011 05:17 PM
Jerry Bransford Loose steering is not caused by a bad steering stabilizer. Check your toe-in and make sure your trackbar is snug and can't move when the steering wheel is turned left/right.

The new plugs should come pre-gapped to .035 as the 4.0L requires. Your 2003 does not have plug wires, it has a one piece ignition coil rail with six spark plug boots that pulls off the spark plugs in one piece after removing a couple nuts that secure it in place. Make sure all six boots are properly seated over the spark plugs before putting the nuts back on. You'd be surprised how many miss one boot that got shoved over to the side during the reinsertion process which causes a severe misfire.
01-08-2011 04:57 PM
ejg225 Thanks Jerry, I assume it's as simple as gaping the new ones, putting them in, replacing the wires, etc. Never did a tune up before but I think I can handle it. Do you think the Old Man Emu Stabilizer will help my loose steering?
01-08-2011 03:56 PM
Jerry Bransford For an 03 that has the DIS (distributorless ignition system) I would only go for Champion's 7034 double-tipped platinum if you want to stick with Champion plugs. Or Autolite's APP985 or XP985. The DIS igntion system used on later model 4.0L engines double-fires the spark plugs and will go through a conventional spark plug in half the time of a conventional ignition system.
01-08-2011 03:51 PM
ejg225
My Baby

My TJ is an 03, 4.0 automatic with 70K miles....Paid for at last!!!!
01-08-2011 12:07 PM
Jerry Bransford What year Jeep do you have ejg225?
01-08-2011 10:44 AM
ejg225
Thanks guys

I usually never have to ask questions here, I just search what I wanna know about and it seems that Jerry addressed the issue in quick fashion even if a bit technical for my limited automotive knowledge. Just jot my TJ back from my 21 y/o daughter after 6 months (she gets pissed when I switch vehicles and stick her with my Civic..lol). The steering is wretched, wobbly, loose, etc at all speeds. I ordered the Stabilizer and will see if that helps. Its got 70K on all original equipment but I'll hold off on shocks, etc till the summer when I finally give it a lil lift. Running 31's right now and its a daily driver.

I noticed it is running pretty rough. I think I need to do the tune up. Will attempt to do it myself, shouldn't be too tough but I'm still at a loss over the plug debate :-). I'll just go with Champion normal stuff and see how that works.

"Beer is living proof that God loves us and wants us to be happy" - Ben Franklin
11-15-2010 12:48 PM
King of Beers I had this problem. I have an 04 Rubicon with ~100k mikes. I put new BFG MT on it and the problem persisted.

First I purchased a new track bar and installed it. ~$70. This got rid of 80% of my problem.

Next I purchased a Crown Heave Duty Steering Kit (Drag link Tie rod and 4 ball joints) ~$170 and an OME Steering Stabilizer ~80. I installed the steering kit and drove it to have it aligned. Everything felt good. The drive home was even better. Next I installed the OME Stabilizer.

Now my steering feels new.

If you learn about the problem and what causes it you can fix it. There is a lot of good information and links to good information on this site.

Search for Death Wobble and read for a couple of hours.

Sounds like you may need some new U joints in your axle too. With your vehicle off and parking brake set try to rotate your axle at the u-joint. There should be very little to no play. If it turns more than a degree or two they will need to be replaced.
11-15-2010 10:36 AM
Jerry Bransford A good solid track bar never masks DW but it can cure it. Masking DW without curing it is the steering stabilizer's job.
11-15-2010 10:33 AM
sonofabeach I got the death wobble on my stock 04 around 35,000 miles too.
I tried alignment, the dealership replaced, stabilizers, shocks and finally the trac bar which seemed to work.
5 year later I've got it again although it's a not nearly shaking my teeth out of my head as it did the first time. Maybe the trac bar replacement just masked it.
11-15-2010 09:37 AM
Jerry Bransford Steering wheel shimmy is invariably always caused by a tire or wheel problem. The tire could be out of round, out of balance, etc. A wheel could be bent or dented. Usually and most commonly, it is simply a tire balance problem.

Alignment can cause uneven tire wear which can eventually cause a shimmy but steering wheel shimmy is always going to be directly caused by a tire or wheel problem... never directly from a bad alignment. Bad alignments will cause uneven tire wear, wandering, pr poor steering wheel return to center after a turn, but never will an improper alignment directly cause a shimmy or vibration.
11-15-2010 09:19 AM
InfernoGirl Check the torque on the lugs too, loose lugs will shimmy the wheel like a palsy.....
11-15-2010 06:57 AM
nikki068
Quote:
Originally Posted by VTDan View Post
I have a stock '04 TJ with 35Kmiles. The steering wheel starts to shimmy back and forth at @ 45mph. Increasing speed increases intensity but not too bad-@ 3/16inch at the wheel edge. I checked the front tires and they showed slight feathering on the outside 1-1/2 inch of tread.
I figured it was the steering stabilizer (past problem on' 84), so I changed it. That reduced the shimmy for about a week. The shocks were a little soft so I figure with winter coming, I'd do those too. (I hope the engineer that designed the location of the cheap rear shock bolts has been fired. Did he really think you could get those loose without shearing the bolts?). The ride was better but the shimmy is still there. I had the tires balanced and rotated but that has had no effect. The tires have about 15K as I use snows in the winter, and don't drive the Jeep much in the summer.
I had my wife rock the steering wheel back and forth so I could check out a slight knocking noise. I did find that noise coming from a worn steering shaft knuckle located near the radiator. This is probably a result not a cause.
I do get a little cracking noise when turning into parking spots.
I checked the u-joints for any heat build-up when I got home. There was none.
I do think the rotors were a bit too warm considering I coasted the last half mile after @ 8mi of not using the brakes at all.
Tomorrow, I'm putting the snows on just to rule out a wacky tire.

Any ideas?
i have a 98 wrangler it shimmied at 45 to50 mph its called the death wobble in wranglers i took 5 pounds of air out of tires and it helped the problem about 90 %.
09-10-2007 09:52 AM
Big Al I recently bought an 05 TJ with a 2" body lift running 32" tires with stock shocks and steering stabilizer. I do have a slight pull to the left, alignment Im sure, and a shimmy in the wheel at speeds greater than 40mph. I have also noticed the "bump steer" when hitting any ruts in the pavement. Any suggestions? Do I need a beefier stabilizer with the larger tires? Do I just need to align? Any help is appreicated.
08-30-2007 09:56 AM
4Jeepn Check your trac-bar bolts, control arm bolts etc etc..All steering bolts etc..
08-30-2007 12:26 AM
Chad P When was the last time you had the alignment checked?
08-29-2007 10:44 PM
VTDan
Steering wheel shimmy

I have a stock '04 TJ with 35Kmiles. The steering wheel starts to shimmy back and forth at @ 45mph. Increasing speed increases intensity but not too bad-@ 3/16inch at the wheel edge. I checked the front tires and they showed slight feathering on the outside 1-1/2 inch of tread.
I figured it was the steering stabilizer (past problem on' 84), so I changed it. That reduced the shimmy for about a week. The shocks were a little soft so I figure with winter coming, I'd do those too. (I hope the engineer that designed the location of the cheap rear shock bolts has been fired. Did he really think you could get those loose without shearing the bolts?). The ride was better but the shimmy is still there. I had the tires balanced and rotated but that has had no effect. The tires have about 15K as I use snows in the winter, and don't drive the Jeep much in the summer.
I had my wife rock the steering wheel back and forth so I could check out a slight knocking noise. I did find that noise coming from a worn steering shaft knuckle located near the radiator. This is probably a result not a cause.
I do get a little cracking noise when turning into parking spots.
I checked the u-joints for any heat build-up when I got home. There was none.
I do think the rotors were a bit too warm considering I coasted the last half mile after @ 8mi of not using the brakes at all.
Tomorrow, I'm putting the snows on just to rule out a wacky tire.

Any ideas?

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