Question about 2003 Jeep Wrangler

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2003 Wrangler Tire buying dilemma.

2003 Wrangler Sport 4.0 Auto-Transmission- Not lifted -

Purchased my jeep from dealer with 30x9.5R15 all-terrain white-letter tires, alloy wheels (Goodyear Wrangler GSA).

I have 72,000 miles and have already replaced all 5 tires once. I do not like the performance on wet roads.

I do about 70% / 30% on road & off road. Off road consists of mostly MidWest fields with mud. (I hunt a lot in Illinois).

I tow a 23' aluminum duck boat to Mississippi River during the fall.

I have about a $475.00 budget for four tires. (I could go a little higher if there was value in doing it).(I will make due with the better of the old tires for a spare right now).

Question 1). What tire do you suggest?
Question 2). How much tire can the alloy wheels hold? (Like width, Height?
Question 3). Will the vibration disappear with new tires & realignment?
Question 4). How can I tell if I have a Dana rear axle?
Question 5). If I buy an early 1980's like my first Jeep, as a project Jeep, will my wife leave me?

Thanks !

Posted by on

  • motorrad_usa Nov 19, 2008

    Mikey 108,

    #1). I'l continue looking for a beefier looking AT tire for my TJ.

    #2. Because of funds shortage, I'll have to stick with the 15" alloy wheels but want more aggressive looking tires.

    #3). Yeah, I just replaced the sway bar arms and installed new shocks all around.

    #4). Will look in the morning, it's cold & dark outside now.

    And Your answer to #5 question made me laugh. (But it sounds good so I'll try it).

    Thank you! PS my 1st. post so I am pschyched to get your fast response! And here I thought Jeepers only just waved to one another. Cool.

  • motorrad_usa Nov 20, 2008


    I did go to Firestone for new rubber today. Decided to have alignment & new tires installed. The "toe" was corrected right-front enough to stop the steering vibration. Fixed it and no more vibration.

    As for the tires, decided to go with original size 30/9.50R15LT as they were fairly priced. (Firestone Destination A/T).

    Between the new tires and the new Monroe shocks installed 2 weeks ago, and I replaced the 2 Sway Bar Links, It is like driving whole new Jeep again.

    Put the White Walls to the inside and these Firestones look really good on my Jeep!

    It looks like I have Danas installed so will talk with dealer I purchased from to give spec. sheet for the Jeep as delivered to me.

    Thanks 4 UR Help.




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1) If you want performance in the rain, you need an all season tire.
2) I had 31x10.5 on my Jeep.
3) The vibration could be a bad steering damper.
4) Dana rears are almost ablong shaped on the cover. The other is perfect round shape cover.
5) Tell your wife the Jeep is for her.

Posted on Nov 18, 2008


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1 Answer

Want to know how to install body lift on a 2003 jeep wrangler sport

The body lift is included to ensure the larger tires can cycle through the full range of suspension movements without touching anything. The nice thing is that lifting a Jeep Wrangler (TJ) is easily done in stages:
- A 1 inch body lift will allow you to easily clear a slightly larger tire than stock, very inexpensively
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In the end, a 1" body lift, combined with a 2" or 3" suspension lift will allow you to fit a 33" tire under these Jeeps. This not only increases your actual ground clearnace under the axle by almost 3 inches, but those new springs will flex a lot better than the old ones, so your Jeep will be much more capable offroad.

Combine this simple lifting strategy with aggressive fender trimming, and you could stuff 35" tires under that rig of yours - that would be good for almost 4 inches of extra clearance (over stock) under the axles - but you'd want to look at upgrading those axles if you're going with a tire over 33".

Other Lift Considerations... running out and slapping on some pucks under your body tub might sound easy, but there is a bunch to consider before the wrenches start flying:

* Get replacement bolts ready - the old rusty ones will be tough to get out and you'll want new ones to install
* Make sure you use actual body lift components - some areas will not allow a Jeep equipped with hockey pucks as body mounts to pass inspections - don't laugh, it happenes every day
* Be ready to lengthen wires and control linkages as needed - going up 1 inch shouldn't pose a problem, any higher might. You'll need to fabricate longer shifter and t-case handles, and watch for any other items which need lengthening.
* DO NOT run a body lift any higher than 3 inches - even that's a bit much. All you are doing it raising the centre of gravity and rather than the lift blocks supporting the mass of the body (and you) vertially, the bolts now must carry the weight through the turns. Think of it - does it seem safe to have 6, 1/2" or so bolts holding roughly 2500 lbs worth of body tub and humans in place? Keep it to 1 inch if at all possible.

Don't forget, if you raise the suspension, you'll need to install longer trac bars to locate the axles and adjust or replace steering components to keep the angles of steering-related items within specs. A full, complete kit, will have everything you need. Be sure to double and triple check those trac-bars - there's two in TJ Wranglers - one for each axle. Their job is to located the axle under the Jeep - if you hear a clunking noise after the install, chances are the mounting or location bolts/nuts are loose. In general, these nuts/bolts cannot be tight enough. Re-check them periodically and after every two or three trail rides. As with any suspension changes, go get an alignment when you're done.


Hope this helps (remember to rate and comment this answer).

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