Acura Integra All Integra Except ITR

negative caster ?

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Old Jul 4, 2010 | 03:12 PM
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Default negative caster ?

so this weekend i had my brakes replaced, new axles and switched wheels with someone.
I went to get an alignment @ a shop cause my car was pulling to the left. so they do all the stuff they need to and it keeps pulling to the left

Now the guy tells me my caster is negative

how do i go about fixing this issue ?

Last edited by Peruviann83; Jul 4, 2010 at 03:28 PM.
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Old Jul 4, 2010 | 03:37 PM
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Default Re: negative caster ?

slide the subframe forward or shim the front control arms. caster on a lowered integra is around 0, as long as it's less than half a degree neg it's not too big of a deal. pulling to the left is toe and steering wheel placement, not caster

i was able to get my caster +.5deg with some shimming
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Old Jul 4, 2010 | 03:43 PM
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Default Re: negative caster ?

Originally Posted by idrivesideways
slide the subframe forward or shim the front control arms. caster on a lowered integra is around 0, as long as it's less than half a degree neg it's not too big of a deal. pulling to the left is toe and steering wheel placement, not caster

i was able to get my caster +.5deg with some shimming
if i remember right the caster on my left side was 0.7 and right was 0.0.

the car pulls hard to the left if i let go of the steering wheel

Everything was fine on the alignment but the caster
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Old Jul 4, 2010 | 04:03 PM
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Default Re: negative caster ?

da? or dc?
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Old Jul 4, 2010 | 04:05 PM
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Default Re: negative caster ?

could be worn ball joints, bent suspension arms, worn bushings. what's your front toe set at?
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Old Jul 4, 2010 | 04:33 PM
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Default Re: negative caster ?

Originally Posted by Woodlock
da? or dc?
DC
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Old Jul 4, 2010 | 04:34 PM
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Default Re: negative caster ?

Originally Posted by idrivesideways
could be worn ball joints, bent suspension arms, worn bushings. what's your front toe set at?
the guy who did my alignment forgot to print out the sheet but he said everything was perfectly fine besides my caster on the left side. he said i would have to buy aftermarket something to adjust it
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Old Jul 4, 2010 | 04:46 PM
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Default Re: negative caster ?

there is no aftermarket way to adjust caster...actually, there is one kit but all it is is a pack of shims. it still isn't the reason your car is pulling. toe is off or not centered. think about what caster is, now ask yourself how that will effect pulling one way or the other? caster effects how the car turns and stability
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Old Jul 4, 2010 | 04:50 PM
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Default Re: negative caster ?

Originally Posted by idrivesideways
there is no aftermarket way to adjust caster...actually, there is one kit but all it is is a pack of shims. it still isn't the reason your car is pulling. toe is off or not centered. think about what caster is, now ask yourself how that will effect pulling one way or the other? caster effects how the car turns and stability
i guess I'll have to take it to another sher tire the one i went to didn't know what they were doing, i would have to assume

i really hope i can get it fixed i need my car for work. i use it to do small delivery's

Last edited by Peruviann83; Jul 4, 2010 at 05:08 PM.
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Old Jul 4, 2010 | 05:14 PM
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Default Re: negative caster ?

if you had a spec sheet it would be easy to fix. don't pay another place, have that one fix it. front toe should be between zero to .06 out, rear toe should be .03-.06 in, make sure they set your steering wheel right and drive away. pulling hard is either toe off or worn suspension components
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Old Jul 4, 2010 | 05:22 PM
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Default Re: negative caster ?

Originally Posted by idrivesideways
if you had a spec sheet it would be easy to fix. don't pay another place, have that one fix it. front toe should be between zero to .06 out, rear toe should be .03-.06 in, make sure they set your steering wheel right and drive away. pulling hard is either toe off or worn suspension components
yeah i'm going to take it to the same place just a different location

Thanks for your help. I hate having to take a day off for this. I will post up the sheet tomorrow
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Old Jul 4, 2010 | 06:31 PM
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Default Re: negative caster ?

im going to disagree with caster not effecting the way the car pulls under acceleration. I've done an alignment on my friends del sol with full-race traction bars, and the reason i was aligning it was because it was having bad pull problems i cant remember whether left or right, but when racing he had a couple close calls. He did some research and found that people were adjusting the traction bars so that they had a lot of positive caster in order to solve this problem, and even out the pull and stop swaying.

So from my personal experience im gonna say that the caster being out of whack can cause you trouble as far as the car pulling a certain direction.

I'll have to get under my car and look tomorow and see, da's have caster adjustment cause of their crossmember, but im not as firmiliar with dc's. i will keep you posted.

good luck in the meantime.
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Old Jul 4, 2010 | 07:21 PM
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Default Re: negative caster ?

Originally Posted by Woodlock
im going to disagree with caster not effecting the way the car pulls under acceleration. I've done an alignment on my friends del sol with full-race traction bars, and the reason i was aligning it was because it was having bad pull problems i cant remember whether left or right, but when racing he had a couple close calls. He did some research and found that people were adjusting the traction bars so that they had a lot of positive caster in order to solve this problem, and even out the pull and stop swaying.

So from my personal experience im gonna say that the caster being out of whack can cause you trouble as far as the car pulling a certain direction.

I'll have to get under my car and look tomorow and see, da's have caster adjustment cause of their crossmember, but im not as firmiliar with dc's. i will keep you posted.

good luck in the meantime.

Thank You if you could try to get back asap !! i am gonna be missing work due to this

it pulls pretty hard to the left as soon as i let go of the steering wheel
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Old Jul 4, 2010 | 07:50 PM
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Default Re: negative caster ?

Originally Posted by Woodlock
im going to disagree with caster not effecting the way the car pulls under acceleration. I've done an alignment on my friends del sol with full-race traction bars, and the reason i was aligning it was because it was having bad pull problems i cant remember whether left or right, but when racing he had a couple close calls. He did some research and found that people were adjusting the traction bars so that they had a lot of positive caster in order to solve this problem, and even out the pull and stop swaying.

So from my personal experience im gonna say that the caster being out of whack can cause you trouble as far as the car pulling a certain direction.

I'll have to get under my car and look tomorow and see, da's have caster adjustment cause of their crossmember, but im not as firmiliar with dc's. i will keep you posted.

good luck in the meantime.

what you're saying and what he's saying are different. high caster is great for drag racing since it promotes straight line stability. he's saying if he lets off the wheel it just pulls. that's totally different from the stability you get leaning the shocks back. if caster side to side is really out of wack it could probably make the car twitchy, his difference is somewhat minor and can be corrected in the sub frame or with shims. a lot of toe out, like over .06 total up front is what makes a car turn in fast or in his case the unwelcome pulling. he needs to post up his alignment specs to get a real idea
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Old Jul 4, 2010 | 07:58 PM
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Default Re: negative caster ?

yeah i thought about that afterwards, i think i misread his first post. for some reason i thought it was under acceleration. a steady pull while just driving not while accelerating is going to be a toe issue in most cases, possibly worn out tie rod ends and/or inner.

good call idrivesideways.

this place end up setting the toe?? or said your casters out, its not worth it till its fixed???
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Old Jul 4, 2010 | 10:37 PM
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Default Re: negative caster ?

Originally Posted by Woodlock
yeah i thought about that afterwards, i think i misread his first post. for some reason i thought it was under acceleration. a steady pull while just driving not while accelerating is going to be a toe issue in most cases, possibly worn out tie rod ends and/or inner.

good call idrivesideways.

this place end up setting the toe?? or said your casters out, its not worth it till its fixed???
the person who did my alignment was new and forgot to print out the final papers.

the manager said my caster was negative on the left side and normal on the right side.

i will be taking the day off tomorrow and getting my car realigned because i cant be missing days of work due to this problem
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Old Jul 4, 2010 | 10:47 PM
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Default Re: negative caster ?

someone on another forum said it could be the wheels i switched before that my car never pulled to the left
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