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jwann01 11-05-2012 10:40 AM

Question about control arms?
Was looking to replace control arms on my Jeep JK. I have Teraflex 2.5 coil/shock lift and 35 in tires. Teraflex recommends if not replacing all control arms, to replace lower front and rear upper. Why is this?

kramer2k 11-05-2012 11:19 AM

Lower fronts adjust your caster and upper rears adjust your pinion angle to bring the rear axle back in line with your driveshaft.

pluke the 2 11-05-2012 11:26 AM

Yes. the 2 most important control arms to install are:

Front lowers first: they improve the jeeps on road handling by adjusting caster.

rear uppers second: they can rotate the rear drive shaft pinion up.

kjeeper10 11-05-2012 11:41 AM

Yup ^^

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