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

Out of ideas

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Old 10-27-10, 03:00 PM
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pizdets17
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Default Out of ideas

Well here goes, I am one of many with vibration issues in my GS. Here is what I've done so people understand:
this is in the last 2 months:
new ball joins
new tie rods
new tires
wheel alignment (thrice)
rf balance (thrice) on a 9700
daizen bushings for LCA#2
daizen bushings for UCA's
daizen steering rack bushings
daizen sway bar bushings fr/rr
loosen/torque all bolts
rotors/pads/calipers/hubs are 100%
new spacers fr/rear
tightened steering rack 1/4"+

With OEM 16" its almost non-existent, but with my 3GS rims I still get shimmy/vibration when my Tein SS are on the softest setting at 65mph+ getting worse the faster I drive. When its on the stiffest setting no shimmy but vibration in seats at 75-80mph. I am out of ideas...Help?
Old 10-27-10, 03:18 PM
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Chin
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Wheel slightly bent?

Did you get all your balances done at the same place? What type of wheel weights are they using?

With my car, I can tell every time a stick on wheel weight falls off. After I leave my tire shop, car is as smooth as can be... then mysteriously a wheel weight will fall of and sure enough the vibration returns.
Old 10-27-10, 03:36 PM
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TYPEII
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Did you try tightening the steering rack?

https://www.clublexus.com/forums/gs-...nes-fixed.html

https://www.clublexus.com/forums/gs-...djustment.html

Last edited by TYPEII; 10-27-10 at 03:40 PM.
Old 10-27-10, 03:43 PM
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pizdets17
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Did you even read my post lol?




Originally Posted by TYPEII
Old 10-27-10, 03:45 PM
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pizdets17
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No. 10+ diff balances at diff places in the last year, wheels are pretty much brand new. Your weights are not falling off, it's your car throwing them out of balance trust me:



Originally Posted by Chin
Wheel slightly bent?

Did you get all your balances done at the same place? What type of wheel weights are they using?

With my car, I can tell every time a stick on wheel weight falls off. After I leave my tire shop, car is as smooth as can be... then mysteriously a wheel weight will fall of and sure enough the vibration returns.
Old 10-27-10, 04:16 PM
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Chin
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Originally Posted by pizdets17
No. 10+ diff balances at diff places in the last year, wheels are pretty much brand new. Your weights are not falling off, it's your car throwing them out of balance trust me:
I'm not sure what you mean by that statement, but if the weights on my car were there Monday and then they are not there on Tuesday. I think it would be safe to say they fell off. Tire places are lazy and sometimes wont clean the surface of the wheel properly so the weights don't stick for long.



I also vaguely remember seeing a service bulletin posted on here regarding wheel weights and the proper placement of them. I'm just trying to throw some ideas out there because it seems as if you are throwing big $ at the problem...


Old 10-27-10, 04:26 PM
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maybe your wheels are not true, has excessive runout?
Old 10-27-10, 04:47 PM
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Bippu147
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did you read what he posted? he got them roadforced and balanced on a hunter 9700, that machine also checks run out....


Dmitri you should try my Work Wheels and see if they vibrate.
Old 10-27-10, 05:26 PM
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shadetree
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do you feel it in the seat or the wheel it could be a driveline vibration
Old 10-27-10, 06:12 PM
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Well they vibrate in yours probably same in mine, but for the sake of seeing my car with wicked rims I would lol!

Originally Posted by Bippu147
did you read what he posted? he got them roadforced and balanced on a hunter 9700, that machine also checks run out....


Dmitri you should try my Work Wheels and see if they vibrate.
Old 10-27-10, 06:13 PM
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this is the 3rd set of wheels this happens with. DOES NOT happen with 16" oem's, anything bigger and all bets are off..

Originally Posted by onihc
maybe your wheels are not true, has excessive runout?
Old 10-27-10, 10:12 PM
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MickeyLex
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I've experienced the same thing. With OEM 16 inch no problem. With OEM 17 inch and aftermarket 17 I get vibration. Even tried different tires on the 17s and still have the problem. Hoping someone here finds a solution to this problem I've had for 8 years.
Old 10-27-10, 10:23 PM
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dont hold your breath...

Originally Posted by MickeyLex
I've experienced the same thing. With OEM 16 inch no problem. With OEM 17 inch and aftermarket 17 I get vibration. Even tried different tires on the 17s and still have the problem. Hoping someone here finds a solution to this problem I've had for 8 years.
Old 10-27-10, 11:08 PM
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Originally Posted by pizdets17
this is the 3rd set of wheels this happens with. DOES NOT happen with 16" oem's, anything bigger and all bets are off..
My car does the same thing. My solution is that I'm selling the car... I assumed it was my coilovers. Looks like I might be in the same boat with you people.
Old 10-27-10, 11:43 PM
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try different brand tires,maybe bad batch of spacers.


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