GS AWD (lowered suspension data)
08-26-10, 03:40 PM
#242
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i have a gs300 awd and i can feel a vibration at low speeds ,however i am intersted in seling the car. it is a 2006 wuth 58000 miles i have tanable exhaust, f-sport front and rear sway bars, asa 20x8 wheels in the front and 20x9 in the rear.....and it is lowered .8 inches in the front and .6 in the front no accidents second owner ... it has navigation ,park assist front and rear and also mark levinson im looking to get 23995 for it stock or 24995 with all the adds
09-01-10, 12:24 PM
#243
Driver School Candidate
When lowering your car you alter the driveshaft angle which causes driveline vibration because it forces the driveshaft angle to be different with the transmission angle causing vibration.
There is 3 ways you could solve the problem. Either shorten the length of your driveshaft, alter your Slip yoke which also changes your length and angle of your driveshaft or changing your transmission mounts so that you can lower or raise the angle to match your driveshaft angle. These 3 ways will cancel or reduce vibration by alot.
hope this helps.
ING
There is 3 ways you could solve the problem. Either shorten the length of your driveshaft, alter your Slip yoke which also changes your length and angle of your driveshaft or changing your transmission mounts so that you can lower or raise the angle to match your driveshaft angle. These 3 ways will cancel or reduce vibration by alot.
hope this helps.
ING
09-01-10, 01:21 PM
#246
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09-03-10, 04:10 PM
#247
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I dunno, maybe I'm not understanding the dynamics of this car completely, but anything that has to do with the rear driveshaft/slip yolk doesn't seem like it would cause the vibrations/wobble. I think it is the front driveshafts (axels) is whats causing this (maybe thats exactly what you said above). Which really baffles me, because in the past I've dumped some front wheel drive cars with no ill effects like this. I mean, 6+ inches lower than stock, and nothing but camber wear.
09-06-10, 08:33 AM
#248
Driver School Candidate
The slip yoke is splined to the external splines of the transmission outputshaft. When going over bumps the rear axle is moving up and down on the suspension system. In so doing the distance between the transmission and the rear axle is continually changing. The slipyoke will move in and out on the transmission shaft to compensate for this change of distance. The spline of the slip yoke fits snugly to the spline of the transmission output shaft and is free to move in and out as necessary.
ING.
ING.
09-07-10, 05:17 AM
#249
I dunno, maybe I'm not understanding the dynamics of this car completely, but anything that has to do with the rear driveshaft/slip yolk doesn't seem like it would cause the vibrations/wobble. I think it is the front driveshafts (axels) is whats causing this (maybe thats exactly what you said above). Which really baffles me, because in the past I've dumped some front wheel drive cars with no ill effects like this. I mean, 6+ inches lower than stock, and nothing but camber wear.
09-07-10, 03:11 PM
#252
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Yes, but its really only the fwd portion that's being affected. This topic is like beating a dead horse... Maybe those sage RCA thingies might help...
Last edited by Kcook700; 09-07-10 at 03:15 PM.
09-08-10, 07:51 AM
#254
i was not able to get to the mechanincs this week. i will try next week. i asked a lexus tech at a meet over the weekend, and he did not know anything about it. he is looking into though.
ING - can you provide any more info, such as where to look for this so we can adjust? i imagine it is somewhere on the front end....
ING - can you provide any more info, such as where to look for this so we can adjust? i imagine it is somewhere on the front end....
09-08-10, 08:47 AM
#255
ryan, this may help
Slip Yolk
A component at the front of the first U-joint which accommodates changes in drive shaft length as the rear axle assembly moves up and down with the rear suspension. Internal splines on the U-joint yoke slide in and out on the external splines of the transmission output shaft. This splined coupling also allows the drive shaft to be removed from the vehicle when the rear U-joint is disconnected. The drive shaft may fall to the ground and be ruined if either U-joint breaks while the vehicle is in motion.
A component at the front of the first U-joint which accommodates changes in drive shaft length as the rear axle assembly moves up and down with the rear suspension. Internal splines on the U-joint yoke slide in and out on the external splines of the transmission output shaft. This splined coupling also allows the drive shaft to be removed from the vehicle when the rear U-joint is disconnected. The drive shaft may fall to the ground and be ruined if either U-joint breaks while the vehicle is in motion.