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vibration on my 99

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Old 12-04-11, 09:07 PM   #61
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Bump up...I'm tryna get this other question answered.
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Old 12-05-11, 06:47 AM   #62
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Sewell Lexus Parts has it for 42.75 shipped.. I learned with my Fan clutch that going non-oem on parts tends to have less then satisfactory results.
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Old 12-05-11, 11:19 AM   #63
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I was having vibration at sixty miles per hour and had my tires balanced at two different shops. Wound-up taking it to discount tire as a last ditch option for the road force balance and some how it fixed the problem. Does your steering will shake at those speeds?
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Old 12-06-11, 07:55 AM   #64
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Quote:
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I was having vibration at sixty miles per hour and had my tires balanced at two different shops. Wound-up taking it to discount tire as a last ditch option for the road force balance and some how it fixed the problem. Does your steering will shake at those speeds?
Just alittle bit but not as much as it use too, But I do plan on doin the mounts and the road force balancing.
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Old 12-10-11, 06:26 AM   #65
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I finally changed the transmission mount today. The car is 98 Celsior 145,300km. My problem has been a slight vibration starting at 2200rpm or higher at P or N position. I also felt the vibration when running at a highway. After changing it, there is no more vibration and also the car is quieter than before.

I first thought the problem was caused by a miss fire of a cylinder but reading posts here at CL and others, I began to convince that the cause must be the rear engine mount or so called transmission mount. The result today is exactly so.

Here I show you the photo of the mounts for a comparison. The left side is a new one and the old one is at right side. The rubber part was badly compressed and it has cracks.
Click the image to open in full size.

You can see the cracks more clearly.
Click the image to open in full size.

Last edited by Yamae; 12-10-11 at 07:12 AM..
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Old 12-10-11, 07:56 AM   #66
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Another satisfied customer.
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Old 12-12-11, 06:03 PM   #67
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MIne's a 98. I just changed it a little while ago actually. WOW what a difference. The mount was shot to hell. ......
Congratulations for your success. As I posted my result with two photos, I also was happy with the result changing the trans mount. I have a question for you. Was your mount as bad as mine shown at the post #65?

Mine was compressed and had cracks but still the rubber part was connected to the upper side of metal plate. So the mount was managed to hold the engine and the trans including the drive shaft.
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Old 12-12-11, 09:24 PM   #68
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I only have changed the trans mount. The 2 engine mounts were not changed yet. As I run my Celsior, I feel it runs far better than before. But I still notice the slight vibration at higher than 5000rpm. It is very seldom to use that high range but compared with the first impression once I have experienced long time ago, it is much bigger.

As I see the bottom side of removed trans mount, I notice that there are parts that limit the movements of back and forth and they were bent as is shown below and this situation certainly tells me that the front 2 mounts were allowing the engine and the transmission to move that much or even more bending those thick materials. Now my next project should be to change the front 2 mounts.
Click the image to open in full size.
close view
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Old 03-31-12, 04:36 PM   #69
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I finally purchased my trans mounts today..can't wait to install them...hopefully I can do them by Monday at work. I'll let yall know the results when I get them installed.

Last edited by rome99LS; 03-31-12 at 04:40 PM..
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Old 04-03-12, 10:10 PM   #70
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I did it I finally switched out my Mounts!!! The ride is so much smoother!!! Thanks to you yall!! No more vibration at 50mph my mounts was shot to hell LOL!!

I'll post pics later...I have to get on the computer.
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Old 04-03-12, 11:16 PM   #71
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Congratulations on your success, rome99LS.
I am all eyes to see your pics.
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Old 04-04-12, 06:41 AM   #72
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its amazing how big of a difference the mounts make! here the pics.
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Old 04-04-12, 08:30 AM   #73
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Thanks for the pics. Now I can compare. Your mount is badly compressed and the metal part is completely off.
I can easily assume that you feel the ride is so much smoother and improved. I even could notice the big difference after changing mine at 145,300km.
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Old 04-04-12, 11:05 AM   #74
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Quote:
Originally Posted by Yamae View Post
Thanks for the pics. Now I can compare. Your mount is badly compressed and the metal part is completely off.
I can easily assume that you feel the ride is so much smoother and improved. I even could notice the big difference after changing mine at 145,300km.
Yes i can feel a huge difference I wanna jus drive allday now lol. How often they should be changed?
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Old 04-03-13, 03:26 PM   #75
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yep my 99 has that vib also, at 230k, I ordered engine mounts and tranny mount plus VC gaskets and will get them on next week..... will update then..
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4k, 99, coming, happening, intermittent, lexus, ls400, mileage, miles, mount, parked, rebalance, replacement, sound, steering, transmission, vibration, wheel

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