GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Vibes on 3 Sets of Wheels

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Old 08-11-15, 05:36 PM
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D-Boi
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Default Vibes on 3 Sets of Wheels

Hello boys and girls. I havent posted on here for a while and i was actually even thinking of getting rid of the GS as it doesnt get much use since i have 3 other cars. Im thinking of driving it a little more frequently however i get insane vibes from 55-65mph. This happens on the stock wheels, on my 19s and on a new pair of 18s i just purchased. Up to 50 the car drives perfect then between 55-65 the wheel shakes and anything above 65 i feel the entire cad has a slight shake but not the wheel. Rotors are new so they are not warped. Suspension is tight with no play and alignment is perfect. I have no clue as to what the heck it could be. Ive posted a pic of the new wheels. Any ideas would be greatly appreciated.


Old 08-11-15, 08:03 PM
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GSTim
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Unlesss the tire balancer at the tire shop is out of whack, on all 3 sets of wheels. It is your suspension.
Old 08-11-15, 08:04 PM
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baconcake
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Are your caster bushings replaced? New tie rods outer and inner? New ball joints? Lug nuts torqued to spec? Wheels balanced?
Old 08-11-15, 08:24 PM
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D-Boi
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Caster bushings have not been replaced. Outer tie rods and ball joints as well as steering rack bushings have been replaced.
Old 08-12-15, 10:03 AM
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SpectraBlu
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Default Vibes on 3 Sets of Wheels

I had the same vibration in the same speed range so I replaced outer tie rods, lower ball joints, upper control arms/ball joints, steering rack bushings, caster arm bushings, and lower control arm bushings. It's probably your caster arm or lower control arm bushings. I replaced mine with figs and now is super smooth at all speeds, and I haven't even had an alignment yet. I hope this helps.
Old 08-12-15, 12:21 PM
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D-Boi
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Well i took the car to rebalance the tires and after doing my research, the Hunter GSP9700 Road Force is the only machine to get the balance down perfect. They had to break the bead on the tires, rotate them and then balance them out properly. I vowed to never take my car back to Discount Tire but this time i mean it. Glad the vibes are gone though.
Old 08-13-15, 12:25 PM
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Great to hear this was resolved!
Old 05-31-16, 11:31 AM
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rossmer
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Originally Posted by D-Boi
Well i took the car to rebalance the tires and after doing my research, the Hunter GSP9700 Road Force is the only machine to get the balance down perfect. They had to break the bead on the tires, rotate them and then balance them out properly. I vowed to never take my car back to Discount Tire but this time i mean it. Glad the vibes are gone though.
Same exact problem on my bone stock '99 GS300 and problem persisted until I had the local Toyota dealer perform a road force balance and all vibrations at all speeds completely went away. Drives smooth as silk at all speeds on all surfaces.
Old 06-03-16, 02:31 AM
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Jordan_Inc
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Also remember to use hubcentric rings.
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