Suspension & Brakes Theory, alignment, spring rates....

Caster issue

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Old Aug 18, 2014 | 08:48 PM
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EG_BOI6's Avatar
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Default Caster issue

I have a 95 civic hatch vx my caster in the front is a little off as far as I know car has not been in a wreck or major hit but my bushings are bad on my lower control arms could this cause this or are my lower front control arms bent. My caro til arms are from a del sol
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Old Aug 18, 2014 | 08:49 PM
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Default Re: Caster issue

My control arms are off of something else sorry I think a ex don't remember
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Old Aug 18, 2014 | 09:51 PM
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From: Polishcountry, wi
Default Re: Caster issue

bad bushings can cause a number of things. Replace them and then check the alignment settings again.
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Old Aug 24, 2014 | 04:25 PM
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Default Re: Caster issue

Alright I hears that to thanks
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Old Aug 27, 2014 | 08:33 PM
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Default Re: Caster issue

Alignment printout required, you failed to specify how much you were off, and any modifications to the tires, rims, suspension, etc.

Your lower arms in the front have a rear mounted bushing, check this one for wear or breakage.

Insufficient caster can arise from a number of sources if the amount in question is relatively small.

1: Sagging/overloaded rear springs change the frame angle of the vehicle, reducing front caster. Check ride height specifications.

2: Any change in position of the upper or lower ball joint will result in a caster change. In many cases this will also change the camber as well. It may be necessary in this case to measure from the center of the ball joint to a known good point, such as a frame mounting bolt, and comparing both sides (shortcut method).

If you suffer from minor losses of caster, you can correct ride height if that is out of spec, or you can cheat like I do on some cars. Loosen the 3 bolts holding the bushing to the frame, and pry/tighten the bushing mount towards the front to increase caster, or to the rear to decrease it.

In some extreme situations, it is possible to place a washer on the control arm shaft to add caster if you cannot use the method above. .010" will add around .2-.4 degrees of caster, and may slightly alter the camber depending on the direction you go.

Before doing any of these things, determine the source of the reduced caster. if one cannot be found, use the methods above. This can work on a fairly large number of cars.
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