rear alignment problem - Scion XB Forum
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post #1 of 30 (permalink) Old 05-11-2012, 06:54 AM Thread Starter
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Default rear alignment problem

not sure if this is the correct place to ask but here goes,'I recently (2/12) purchased a 2011 xb w/27k from a non Toypta dealer. My husband who is a Lexus master mechanic took it in to to his shop for my 30k check-up. He noticed what appeared to be the beginning of poor wear on the rear tires. Upon putting it on the alignment machine he found the specs for the rear to be way off. He says there is no adjustments that can be made to the rear, that its set at the factory so he can only repair it by buying aftermarket shims and playing around till its satisfactory. I contacted the dealership where I purchased it and of course there first response is "warranty does not cover alignments!" Anyone else having rear wheel wear problems? BTW, this is a TRD setup with the 19"s. Do you think I have any recourse with the selling dealer or Toyota? This is my 1st new(er) car purchase from a dealer. We've always bought old cars with over 100k on them so warranties were never in play. I purposely bought newer so hubby wouldn't have to work after on it for many years(trying to give the old man a break!)
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post #2 of 30 (permalink) Old 05-11-2012, 08:35 AM
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From my understanding there is absolutely nothing that can be done with shims. The xB axle is a one piece design with the bearings being pressed in. either the axle is straight or it isn't or the bearing were pressed in correctly or they weren't. This is how it was explained to me during the repair of my 11s rear end. The new axle they replaced was off less then the width of a nickel. I had to wait for another new axle and then the bearings were on backorder...so if your axle is out of tolerance it should be fixable under warranty.

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post #3 of 30 (permalink) Old 05-11-2012, 09:29 AM
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the rear is a one piece design, but the shims are placed between the hub and the supports thus correcting for camber and toe. I am an alignment tech with a lowered 09 boxstar.
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post #4 of 30 (permalink) Old 05-11-2012, 04:27 PM
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i agree with the assessment of the axle beam design. either it's straight or it isn't. you will be hard pressed to convince the dealer or toyota of any factory defect with 27k. it would be the only way to get them to replace it. i had alignment problems when i first purchased my box, but didn't realize it until it showed in tire wear. by that time mileage and time of ownership gave them a thousand excuses as to the cause. i believe it was factory defect or the result of a test drive before i bought the vehicle. i planned to go with shims that would have corrected the problem and the dealership agreed because the rear tires are just pulled along by the front. they wanted to charge over $400 to install. i filed a claim under comprehensive and worked with the collision center and my insurance to have the axle beam replaced. instead of shims i got a new axle beam for the cost of my deductible. if you can convince your hubby to install the $20 set of moog shims during a realignment you should be good. you won't have to bother him about issue again.

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post #5 of 30 (permalink) Old 05-11-2012, 08:09 PM
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REAR AXLE BEAM SUB-ASSEMBLY, Toyota p/n 42101-12171 $1285.08 now add the dealer's labor cost. your dealer/toyota will put up a fight to avoid absorbing that cost under warranty.

i would check your state's "lemon law" for possible recourse on this issue.

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Last edited by erozcs; 05-11-2012 at 08:14 PM. Reason: add info
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post #6 of 30 (permalink) Old 05-11-2012, 11:35 PM Thread Starter
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amazingly I rec'd a return phone call form the selling dealership and they have agreed to work on the rear alignment. I had to explain to him about the shims since this is a chrysler dealership not a toyota, but after speaking to his shop foreman he felt that they can get the job done. I'll be taking it in on Wed.so I'll let you know the outcome. I want to see the final specs when they are finished/
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post #7 of 30 (permalink) Old 05-12-2012, 02:01 AM
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they should provided with a printout when completed. i assume they gave you one when they discovered it out specs. they will need to disconnect the rear wheel speed sensors and remove the rear hub assemblies to install the shims. since they are a non-toyota shop, i would recommend getting the torque specs for the hub bolts from your husband and passing it on. they will need to be careful when handling those speed sensors. a toyota install guide would be extremely helpful.

there's alot of knowledgeable members on this site; never hesitate to ask questions about your xB2 here. the experiences of 1 will help many!!!

let us know how it goes!

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post #8 of 30 (permalink) Old 05-14-2012, 01:32 AM
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Quote:
Originally Posted by a1coolmom View Post
amazingly I rec'd a return phone call form the selling dealership and they have agreed to work on the rear alignment. I had to explain to him about the shims since this is a chrysler dealership not a toyota, but after speaking to his shop foreman he felt that they can get the job done. I'll be taking it in on Wed.so I'll let you know the outcome. I want to see the final specs when they are finished/
You haven't said anything about aftermarket modifications (different springs or whatever). Has the suspension been modified in any way from OE?
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post #9 of 30 (permalink) Old 05-14-2012, 08:20 PM
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The first post says "...this is a TRD setup with the 19'"s. "

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post #10 of 30 (permalink) Old 05-15-2012, 01:49 PM
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Hey guys, I've been a member at other Scoin forums for quite some time, but I had to join this forum to respond to this thread.

I'm a certified Toyota tech, and I drive an '09 xB. It's long overdue, but I'm in the process of playing with my rear alignment right now. I've worn out a couple of sets of tires(my last set were Michelins), and now it's time to fix it since I'm about to put another set of Michelins on.

My rear alignment was perfect when I bought mine, new in '08. All that changed when I installed Hotchkis lowering springs. Now, I've got about .8 deg of total toe in the rear. If you know anything about alignments, that's a ton. As it is, my xB wears the rear tires out before it does front.

I specialize in steering & suspension, tires, and alignments. In my experience, these rear torsion beams are almost never defective...unless the car has been wrecked. The alignment tech has to make sure to pull the car onto the alignment rack perfectly straight. About a 20ft straight is ideal, and most guys won't(or can't due to space constraints) make the effort to do that. This causes false alignment readings as the suspension can be in a bind.

Basically, when lowered, the beam pivots upward. This causes the factory negative camber to become positive toe. Replacing the beam will rarely fix the problem, and it WILL NOT fix it if you've got lowering springs.

At our dealer, we don't deal with rear shims, but I'm trying to find out for sure which ones fit. I really don't want to tear it apart on my day off and find out the shims I've got won't work.

Last edited by xBones; 05-15-2012 at 01:53 PM.
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