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Steering Feel Issue - 08 IS350

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Old 10-03-12, 08:38 AM   #1
snaggle
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Default Steering Feel Issue - 08 IS350

Whats up CL!

So Ive had this "problem" for a while now, well pretty much since I bought my car. Always loved everything about the IS350, except this steering problem.

Anyways, so basically, Im almost certain this is normal, as I believe I have heard complaints in the past to an issue very similar to this, but just thought id double check:

So when driving, the steering wheel on many occasions will start to feel likes it is forcing you to turn slightly when driving on uneven roads, or any kind of road imperfections. I am pretty sure this is related to the electronic steering (the one thing I really wish the IS never had), but recently this has REALLY been annoying me, and sometimes it could be potentially dangerous. Am I the only one who gets this? Where the steering wheel just forces itself to turn and you have to resist with it to keep it straight or in the direction you intend it to be? Note, this happens for like 1 second then it loosens back up, and it always happens while turning or even driving straight on uneven or imperfect roads....

This is really the ONLY complaint I have for the IS350, the steering feel... I wish it was more like the BMW 335i for example...

Ive got the 08 IS350, and Im pretty sure its NOT the sport package. (if you dont have the aluminum foot pedals, its not the sport package right? I also don't have memory seats). Maybe it has to do with the steering damping? Could this problem even be fixed?

Also NOTE: I just recently did a wheel alignment and regularly do one, so it should have nothing to do with this...
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Last edited by snaggle; 10-03-12 at 09:01 AM..
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Old 10-03-12, 09:21 AM   #2
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When you have a proper alignment, the car will naturally follow the crown on the road.

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With low profile tires, the higher bigger the wheel, the more it will follow the crown and ruts - less tirewall and it is stiffer tire wall however you do have the advantages that it feels good and response is there. Does it on my IS250 RWD with 18" and also did that on the IS250 AWD with 17".

I wouldn't worry about it, it's normal. When I had a 99 Camry Solara which had 16" tires, its less because of the softer tire wall.

However I can say that on a stretch of freeway when I go on my way home, in the middle lane, there is a significant rut (they should repave that area), that any vehicle regardless of wheel size , the car would follow it because its worn.
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Old 10-03-12, 11:01 AM   #3
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i had this exact same issue and i completely know what you are feeling

Its not as apparent now but tire pressure makes alot of difference
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Old 10-03-12, 11:25 AM   #4
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Quote:
Originally Posted by panda327 View Post
i had this exact same issue and i completely know what you are feeling

Its not as apparent now but tire pressure makes alot of difference
Wow, glad to see im not the only one!

I've tried different types of tire pressure too, it really did not change anything.

I also have a BMW 335i, and this problem NEVER happens, not even close, the steering is always perfect and also more engaging. True the tires are lower profile at 30 instead of 40, but that only makes the difference in road feel and response, still a different case from the steering.

Again, I think the problem is due to electric steering rather than hydraulic. It could also be that in addition with other things...
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Old 10-03-12, 12:30 PM   #5
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I've experienced this as well. Sometimes it feels like it has a mind of its own. It's is not predictable, seems to happen different speeds, pulls different ways, and to different degrees at different times. I have also noticed it under breaking, sometimes the car wants to pull off the road or into oncoming traffic.
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Old 10-03-12, 01:19 PM   #6
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Quote:
Originally Posted by cchase231 View Post
I've experienced this as well. Sometimes it feels like it has a mind of its own. It's is not predictable, seems to happen different speeds, pulls different ways, and to different degrees at different times. I have also noticed it under breaking, sometimes the car wants to pull off the road or into oncoming traffic.
Agreed 100%. As for the braking part too, happens to me a lot!

Last edited by snaggle; 10-03-12 at 01:26 PM..
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Old 10-03-12, 01:53 PM   #7
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I think it maybe something to do with the bushings as well as the stock ones deflect too much under braking causing the alignment (the toe) to be out during braking. It could be doing that on the worn crown and ruts too.

Changing the bushings with these would probably be the solution.

http://www.clublexus.com/forums/is-f...eo-inside.html
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Old 03-01-14, 05:08 AM   #8
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I finally found out what is causing this feeling of my steering being in a 'rut' and having to over compensate the steering. I went to the dealer because I could not take it anymore and the lead engineer came to listen to my issue with the car and immediately he knew that it was the Power steering gear assembly. I have a GS 350 2009 and the engineer said that this is a known issue and they have seen this on many IS models. So for everyone, like me, that thought it was the road, misalignment, low tire pressure, low profile tires, IT'S NOT!!! It is a known issue that requires a replacement part (on my car), part # 44200-30880. Hope this helps!!!
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Old 03-01-14, 12:16 PM   #9
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vshopping, do you mind telling us what dealer was able to do this for you?

TIA!
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Old 03-01-14, 05:52 PM   #10
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Snaggle,

I have had the same issue since I bought my 2007 IS 250. The first week after a tire rotation is when the wheel seems to loosen up...so that may help. And to reiterate what was said above, a higher tire pressure always helps. I thought I was the only one with this problem. Thanks for raising the question
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Old 07-23-14, 06:59 PM   #11
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So I have a 2011 IS350c. Apparently Lexus has not fixed the problem. Today I had the front end aligned because that was the only recommendation the Lexus dealer had. The toe was out and the alignment did help a little. But clearly this seems to be a horrible characteristic of these cars. Don't know how Lexus is allowing one of their best sellers to drive like crap. What gives Lexus ????
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Old 07-23-14, 06:59 PM
 
 
 
 
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08, 350, braking, cars, feel, feels, is250, is350, lexus, problem, road, ruts, steering, turns, wheel

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