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

01 L-Tuned GS300 - Steering wheel shaking on Highway at 60mph

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Old 09-23-11, 06:15 AM
  #46  
starfyrels
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Originally Posted by Murked
What engine mounts did you guys order?
Everyone in this thread has ordered OEM mounts.

No need to get aftermarket and find out 3 hours into the job that they dont line up. lol.
Old 09-23-11, 02:20 PM
  #47  
Mikesgs3
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I get the same thing with my gs3 at 57+ mph. shakes like crazy. I will be doing a few changes/upgrades and replace items. Gonna try in stages. starting with
1 wheels and tires (both new)
2 shocks n struts springs (KYB-GR2's with DF210's)
3 caster arm and LBJ ,tie rod
4 rotors and pads (front needs them)

Alignment is obvious too . All gonna be done within a few weeks. I'll update after.
I would only buy OEM parts with reguards to caster and lbj and tie rods IMO. Register yourself at Sewell discount on parts.

Last edited by Mikesgs3; 09-23-11 at 02:52 PM.
Old 09-23-11, 02:25 PM
  #48  
CTGS
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Does anyone here have the part numbers for the motor mounts on the 01-05 gs300?
Old 09-23-11, 02:42 PM
  #49  
Mofoe
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going to have to take a closer look at mine before i just start replacing parts, even though i'm not against replacing wear parts on a car with 130k on it and not really knowing for sure what has and has not been replaced.

my vibration is not bad just a little but after first reading some of these post i was thinking i needed to replace a bunch of parts, but now after thinking about it, it may just be the 20" wheels that came on the car when i bought it. 1 is bent pretty good (guy put it on back after bending) still holds air but liek i said lip is bend in. also just the other day i knowticed another wheel had just a small flat spot on the lip (bent ). i have some factory wheels that i'm planning on running in the winter (need tires) so i'll see when i get those on if i still have problem also.
Old 09-26-11, 06:30 PM
  #50  
af1c331
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So I had my megan coilovers installed about 3 weeks ago and it drove great until I got my alignment? I spoke with the tech and he advised that "your alignment will never be perfect again now that your car is lowered", this I did not know... Now my car also shakes fairly violently while going 60-65MPH, but anything past 65 and it is smooth??

If I am not mistaken I should probably just go ahead and replace all the parts that have been mentioned in this thread, btw I bought my car with 105K and now its at 186K and I have never replaced anything......
Old 09-26-11, 07:40 PM
  #51  
perry05g35
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I'd start with the mounts have a shop do an inspection of them and I'd also get another alignment. The combonation of the two got rid of my shaking.
Old 12-25-11, 04:53 PM
  #52  
titangts
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PM sent... ive literally been having this same issue... I'll ALWAYS get shaking at 60mpg...but RANDOMLY and i mean randomly like once a week or two.. i'll hit a small bump and the car shakes violently like a flat tire. To the point i have to pull over (and yes it does it at 5mph just like a flat tire)..stop for about 30secs..then get back on the highway and it drives perfect...

im thinking its a bad strut...but idk EVERYTHING is freaking original..
Old 12-26-11, 05:37 AM
  #53  
shvc1991
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^ That's the problem... Original. Might wanna look on replacing some parts depending on mileage (lbj, uca, bushings, caster arms, etc...).
Old 12-27-11, 04:26 AM
  #54  
adamgamz
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Make sure you are using hub rings if you have aftermarket wheels, also get your tires Hunter road force balanced, this is the #1 thing to do.

http://www.gsp9700.com/search/findgsp9700.cfm
Old 12-31-11, 04:39 PM
  #55  
LexiBlue
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check your tire if the belt shifted in the tire that can also cause vibrations to
Old 06-06-12, 02:50 PM
  #56  
BayAreaLex
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I'm surprised to see how many people are recommending that the suspension be the focus.

The vast majority of the time steering wheel shimmy will be cured by balancing the wheels. Start there. Road force balancing is recommended. If that doesn't cure it, only then should you move on to the suspension/steering.
Old 06-07-12, 10:00 AM
  #57  
adamgamz
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Originally Posted by BayAreaLex
I'm surprised to see how many people are recommending that the suspension be the focus.

The vast majority of the time steering wheel shimmy will be cured by balancing the wheels. Start there. Road force balancing is recommended. If that doesn't cure it, only then should you move on to the suspension/steering.
I agree 100%, the Road Force has to be done right, I left Firestone after a road force balance and the wheel was shaking, came back and it was out of balance, re did the balance and all was good. Things to check.. Hub rings, bent wheels, seperated tires, road force balance, camber bushings.
Old 06-07-12, 01:04 PM
  #58  
DosyBoy
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Got 4 new tires and an alignment 3 months ago, has been smoothe sailing ever since..
Old 04-18-15, 06:52 PM
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Dayjmolett
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Originally Posted by ThomasGS4
I had my rack bushings replaced about a week ago. I highly recommend it.
I just found out that I need the same work done..can u give me fair price so that I want go in over my head..?
Old 04-23-15, 05:50 AM
  #60  
DMPesso
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I would like to shed some light onto this topic that is one of the huge gripes of the GS, steering wheel shakes. I have had plenty of GS's and let me tell you one thing that makes a huge difference and I didnt even realize it would until I just changed it the other day is the wheel bearings. My driver rear bearing was bad and now the car feels much smoother, glides better and the moment you take your foot off the brake you notice how much quicker and less resistance there is. It feels much faster and smoother. This is something to look into.


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