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2008 IS250 Harsh Stock Suspension

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Old 01-31-12, 11:55 AM   #1
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Default 2008 IS250 Harsh Stock Suspension

So I have 47000 miles on my 08 IS250 and since the last 3-4k miles I have noticed that my car is no more "luxury". It goes "thwack" over road cracks and cats eyes on the highway.
When driving slow, say under 30 mph, it is even worse. If I go over cracks or a pothole, it goes thwack and the whole passenger cabin, and the doors shimmy & shake.
Took it to Sewell Lexus and after 2 days called to say everything is perfect. Nothing wrong with the suspension of the car.

Tire pressure is 35psi front and 37psi rear.
Tires: Turanza ER33 and half worn.

Help! What could be wrong here?
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Old 02-01-12, 12:14 PM   #2
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no response?? Help...I am tired of hearing the door weatherstrip rub against the frame everytime the car goes over bumps and road cracks
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Old 02-19-12, 12:58 PM   #3
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So I have been driving a lot of loaners with varying mileages while I work the Lexus dealership on this issue since the last 20 days or so

2011 IS250 with 14K
2011 IS350 with 23K
2011 RX450 with 4.5K
2010 RX350 with 41K
.
Here is what I observe:

The Lexus (be it the IS or the RX) has great supple yet firm suspension up 35k- 40K. Beyond that, the suspension is downright firm (read harsh). Mine is at 47K. Which means it is settling down..all the way. Dealership is not willing to call it a warranty issue. It is simply the design of the vehicle, and no failure of any suspension component.

What do you say? I am at a loss right now on how to deal with Lexus or enjoy my car as a Luxury sport car anymore. It is simply a sport car, no more Luxury.
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Old 02-19-12, 06:46 PM   #4
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If you are unhappy with the ride quality, perhaps some new shocks are needed?

http://www.partsgeek.com/gbproducts/...p=pp&gbm=a
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Old 02-20-12, 10:44 AM   #5
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Quote:
Originally Posted by Gville350 View Post
If you are unhappy with the ride quality, perhaps some new shocks are needed?

http://www.partsgeek.com/gbproducts/...p=pp&gbm=a
Why would that not be covered under warranty??
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Old 02-20-12, 12:22 PM   #6
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^Because they are a "wear" item, just like brake pads and rotors.
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Old 10-05-12, 07:24 AM   #7
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So this is getting worse at 58K miles and I am finally thinking I need the new shocks. How much does it cost for an install?
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Old 10-05-12, 07:37 AM   #8
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and what is the part# to get this @ Sewell Parts for the 2008 IS250?
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Old 10-05-12, 07:44 AM   #9
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No worries...got it ..can somebody tell me that this is right or not?

http://is.sewellparts.com/oem-catalo...S250-2008.html

48510 4851080360
ABSORBER ASSEMBLY, SHOCK (STRUT), FRONT (RIGHT / PASSENGER SIDE) MARK 48510-53141 (RWD - REAR WHEEL DRIVE)

48520 4852059405
ABSORBER ASSEMBLY, SHOCK (STRUT), FRONT (LEFT / DRIVER SIDE) 1 MARK 48520-53061
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Old 10-05-12, 07:51 AM   #10
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