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Old 12-26-2009, 02:05 PM   #1
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Can a 4 sheel alignment be done?

I have a 2000 sport. Does it need a 4 wheel alignment or can you only set the toe in?
That is supposed to say wheel up top.

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Old 12-26-2009, 02:43 PM   #2
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well you should only be able to do the Toe-in adjustment, camber adjustment youd need adj upper control arms.

Dont take it to a 4wheel shop and tell them you need 4 wheel alignment because I doubt you have anything more than stock. Theyll charge you $90 for a $20-$40 job, or a 15 min job you couldve done yourself.

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Old 12-26-2009, 03:20 PM   #3
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Yep, a front toe-in only is all you can do on your TJ. Are you interested in perhaps setting your own toe-in which is very (!) easy to do which with minimal care will produce results equal to what an alignment rack can do? I haven't paid for an alignment on my Jeep in ten years and I'm no alignment guy.
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Old 12-26-2009, 03:34 PM   #4
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Basic Jeep Front End Alignment

Easy as that. I believe my front and rear tires had a difference of 3/4".... and has been like that for 3 months. = \ The tread has worn down down the middle of all the tires which was also probably due to overinflation
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Old 12-26-2009, 04:38 PM   #5
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Well, it's not really as simple as that. But the best policy is if you aren't having problems or tire wear - don't mess with it.

The easiest thing to adjust is toe-in on the front end - but that's not the end of it. Igf you are having problems other things can be done.

Minor Caster adjustment can be done with offset bolts from the dealer. Even more Caster adjustment can be made IF you have adjustable arms.

Camber adjustment can be made with adjustable or offset ball joints - a pain to do.
Caster and Camber rarely need attention unless you've installed a big lift, changed the suspension, or bent something.

If you do much wheeling you WILL bend the stock lower control arms. requiring replacement.

As far as the rear goes, about the only reason to do a 4 wheel alignment is to check the Thrust Angle, and then only if you are experiencing Torque Steer - it pulls one way on accelerastion, then the other on deceleratoon.
Thrust angle is the front and rear axles are not parallel. You can check that yourself by measuring along one side front to rear axle to axle and comparing it to the other side.

But beware - there are 2 types of "4 wheel Alignment." One the guy checks the front, then turns the vehicle around and checks the back. It's not very good.

The non-scam ones attach instruments to all 4 wheels at once, then measure the interrelationships.

Save the 4 wheel alignment for the front wheel drive rice-burners.
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Old 12-26-2009, 08:13 PM   #6
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For toe-in alignment, I like the procedure given in the link that terrible2 provided but I like the below method of measurement better. Just measure at the front and rear at distances equal to the tire diameter. For 30" tires, 1/16" closer in front than at the rear is about right. 33" tires, 1/8" works well. For 35" tires, 3/16" is very good.
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Old 12-26-2009, 08:59 PM   #7
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As much that looks like a nice self reliant way to align the front end, it's winter in NY and the garage is cold and full of Xmas and other crap. After taking out Rudolf a couple weeks ago, I've got an occasional threatening wobble. I'm having the tires rotated and the toe-in checked Monday. With 33 10.5s, 1/8 inch is the toe in I should suggest?
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Old 12-27-2009, 01:45 AM   #8
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so you have to take off your wheels to do the toe in?

Yeah, when i recently took my jeep to the alignment shop it costs me 70 $ and basically all he did was the toe in; but i got the printout of the cast, camber, and toe in....and he said my camber is off like 0.2 or something like that, basically the front wheels tuck in ...and i need ball joints (adjustable) i beleive to fix this issue..then he slapped a 750 price tag for the joints and i said helllllll no
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Old 12-27-2009, 06:03 AM   #9
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no you dont need to take your tires off. yea $70 is still a rip for toe in, all youre getting is toe in which is what regular cars get for ~$40 with the print out.
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Old 12-27-2009, 10:01 AM   #10
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A 4 wheel alignment check can be useful. Toe is the only factory adjustment, but there are factory specifications for the other measurments. If a measurement is far from spec, you may need to replace worn parts or add adjusters. You can even identify a bent rear axle housing. It is a Jeep and probably abused, at least once!

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