Alignment Issue - Caster
#1
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Alignment Issue - Caster
When an alignment was done recently, both camber and toe has been adjusted on all four wheels. Then, I've been told that Caster is off and this cannot be adjusted. Also I've been told that it comes from car being aged.
What is an effect riding with Cater off. Is this critical and how do you correct this problem?
Stock spec for Caster is 6.3 to 7.8 deg and my 93 LS4 is currently at 9.66 deg on left and 9.40 deg on right.
What is an effect riding with Cater off. Is this critical and how do you correct this problem?
Stock spec for Caster is 6.3 to 7.8 deg and my 93 LS4 is currently at 9.66 deg on left and 9.40 deg on right.
#2
Caster is just like the name for the little wheel on a cart called casters. It is what helps keep the wheels to return to straight after making a turn. I don't thing there is a problem with the numbers you have. If it works good I wouldn't worry about it. Did they find any looseness in the suspension?
#4
Sorry to thread jack but I figured it's an alignment caster question so what the heck. lol.
I noticed after a recent alignment that it was harder to turn my wheel at a stand still. I asked the guy and he said caster has to do with how you car aligns the tires straight again, but he couldn't remember which direction made it faster or slower, he just put mine into spec(I'm assuming the UCF20's are adjustable and the UCF10s are not?)
And for those who say check the PS, trust me that's the first thing I checked. Fluid level was good with no bubbles or visible leaks. Better not be considering I just put in all new PS pump, sensor, belt, and alternator. lol.
I noticed after a recent alignment that it was harder to turn my wheel at a stand still. I asked the guy and he said caster has to do with how you car aligns the tires straight again, but he couldn't remember which direction made it faster or slower, he just put mine into spec(I'm assuming the UCF20's are adjustable and the UCF10s are not?)
And for those who say check the PS, trust me that's the first thing I checked. Fluid level was good with no bubbles or visible leaks. Better not be considering I just put in all new PS pump, sensor, belt, and alternator. lol.
#5
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Caster Fix
Caster is just like the name for the little wheel on a cart called casters. It is what helps keep the wheels to return to straight after making a turn. I don't thing there is a problem with the numbers you have. If it works good I wouldn't worry about it. Did they find any looseness in the suspension?
On a different note, the rear strut rod bushings on the knuckle side is loose and I have to replace that on the driver side.
#6
At 135 K nothing on the front or rear suspension of any car should need to be replaced of fixed, unless it went off road for some reason or hit a curb or what ever. By any car I mean especially a Lexus or any well designed car.
#7
Lexus Test Driver
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Sorry to thread jack but I figured it's an alignment caster question so what the heck. lol.
I noticed after a recent alignment that it was harder to turn my wheel at a stand still. I asked the guy and he said caster has to do with how you car aligns the tires straight again, but he couldn't remember which direction made it faster or slower, he just put mine into spec(I'm assuming the UCF20's are adjustable and the UCF10s are not?)
And for those who say check the PS, trust me that's the first thing I checked. Fluid level was good with no bubbles or visible leaks. Better not be considering I just put in all new PS pump, sensor, belt, and alternator. lol.
I noticed after a recent alignment that it was harder to turn my wheel at a stand still. I asked the guy and he said caster has to do with how you car aligns the tires straight again, but he couldn't remember which direction made it faster or slower, he just put mine into spec(I'm assuming the UCF20's are adjustable and the UCF10s are not?)
And for those who say check the PS, trust me that's the first thing I checked. Fluid level was good with no bubbles or visible leaks. Better not be considering I just put in all new PS pump, sensor, belt, and alternator. lol.
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#8
BahHumBug
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Rubber parts aren't immune to the throes of time. As has been repeatedly evidenced by cars needing the aforementioned bushings/bearings.
In OP's case, i'm betting on well worn strut rod bushings as well as old shocks (which lower ride height)
#9
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Weight Issue
LS is the first V8 sedan the Toyota has put out in production. Many of suspension parts are reused from Toyota Cressida and most likely the weight of the LS would not have been considered fully in design. I started to have the front shimmy issues at 30K miles on mine and still having the issues. More like living with it, or gotten used to it.
I am still enjoying the ride quality of the LS though. I would not try to have it any other way, if it all possible.
I am still enjoying the ride quality of the LS though. I would not try to have it any other way, if it all possible.
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Sway Bar End Link
The LS is notorious for eating front strut rod bushings well before 135k miles. Rear carrier arm bushings usually go around 125-175k miles, and sway bar endlinks are due as needed.
Rubber parts aren't immune to the throes of time. As has been repeatedly evidenced by cars needing the aforementioned bushings/bearings.
In OP's case, i'm betting on well worn strut rod bushings as well as old shocks (which lower ride height)
Rubber parts aren't immune to the throes of time. As has been repeatedly evidenced by cars needing the aforementioned bushings/bearings.
In OP's case, i'm betting on well worn strut rod bushings as well as old shocks (which lower ride height)
#11
BahHumBug
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LS is the first V8 sedan the Toyota has put out in production. Many of suspension parts are reused from Toyota Cressida and most likely the weight of the LS would not have been considered fully in design. I started to have the front shimmy issues at 30K miles on mine and still having the issues. More like living with it, or gotten used to it.
I am still enjoying the ride quality of the LS though. I would not try to have it any other way, if it all possible.
I am still enjoying the ride quality of the LS though. I would not try to have it any other way, if it all possible.
The carrier bushings are completely different and unrelated, as they are the lowest bushing in the rear spindle assembly, that connect to the traction rods (aka rear strut rods).
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