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90 420SEL, 00 BMW X5, 00 Lexus RX300, 01 Chrysler Town and Country
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Discussion Starter #1
Took the car for an alignment today after replacing the upper control arms. THe machine was a hunter machine and the tech, though young, was aware of the spreader bar. That put me at ease somewhat. It was a Firestone Complete Auto Care place.

The rear wheel toe is slightly out. Left Rear is +0.13 deg and Right Rear is -0.22 deg. A total Toe of - 0.08 deg.

Tech said that there is no means to adjust the rear tow. Is that true? Or is there a way ?
 

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1989 560SEC, 1989 560SEL, 1995 E420
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4,189 Posts
I think the rear toe is usually adjusted via height adjustment. Factory height should give you correct toe.

For lowered cars, there are offset bushings for the control arm which I believe are for toe adjustment. They could be for camber but I think they're for toe.

Okay, was just looking at the manual, section 40-330. The offset bushings are for toe adjustment. Part number 1233520765.
 

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450slc5.0cab 280sl5sp 280se4.5 500se+500slAMG +250seStkW108 350sl4spdX3 500secEuro
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22,382 Posts
Subframe Diff and control arm mounts are apparently the most common reasons for rear alignment being out of whack. If not prepared to pay for a fix, (other than understanding the need to rotate your tires) I’m not sure there’s much reason to have the rear alignment even checked.
 
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