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es300 struts/suspension/ NOISE! please help

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Old 12-01-08, 05:22 PM
  #16  
steviej
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Originally Posted by 98_es300
steviej: how did you tighten the strut nut? i have the same issue with with front passenger strut nut being loose, but when i try to tighten the nut it just spins (doesnt tighten) and i noticed the strut piston spins as well. any ideas?
I can't help you with that one. The loose nut was actually found by the mechanic at my dealership when I brought it in to have the noise checked out.

steviej
Old 12-04-08, 12:38 PM
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MJHSC400
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You hafta hit that nut with an impact to keep it from turning or it won't tighten. Some struts have a hex key on top by the nut so you can hold it with a large allen wrench while tightening the nut, but I havent looked at our 99 ES to confirm that yet...

I'll be doing struts pretty soon too, but I'm not sure if I should just do the mounts or struts and mounts, I mean the struts are soft, but I cant tell if they're really bad since a lex is supposed to ride kinda soft and smooth. It does have a little body roll though.
Old 01-02-09, 09:43 PM
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92ES5sp
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Originally Posted by Slooooooow

It's been proven that staying with the Toyota mounts is the way to go. Lots of folks went aftermarket and have rattling and other noises post-install. If your upper mounts are non-Toyota there's still a chance that they're making noise. Get 'em all while you're at it; they're not THAT expensive and the quiet results are worth it.

Hit up Carson Toyota (see Luis) as they offer amazing prices and discounts for CL members; they're a supporting vendor. Support our supporting vendors whenever possible.
Old bump but had to bring this up. I have KYB mounts all around and they have been very quiet. Its kinda wierd but I had to re-torque the three mount nuts twice on the right rear because they kept coming loose and making noise. But that was at 106K in the summer of 2007. If I had to do it again however, I probably would go with the Toyota mounts.
Old 01-03-09, 06:29 AM
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BDSL
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The strut nuts are suppose to be locking nuts....i.e. with nylon on the threads.

If they still come loose, use some loc-tite.
Old 01-08-09, 05:30 PM
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mccorklj
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Go to O'Riley Auto Parts. You can get everything you need except the upper spring insulator. Your problem is most likely the mounts. You should always replace the mounts anytime you replace the strut. Usually the lower spring insulator will also need to be replaced. If you need the upper spring insulator you will probably have to get that from a Lexus dealer. I have not had any luck finding one anywhere else.
Old 01-08-09, 06:32 PM
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92ES5sp
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Originally Posted by BDSL
The strut nuts are suppose to be locking nuts....i.e. with nylon on the threads.

If they still come loose, use some loc-tite.
The 3 nuts on the upper mount on my car are NOT the nylon locking type, only the strut shaft nut is. They have stayed tight for a while with no noises or anything, so its all good.
Old 07-17-09, 10:34 PM
  #22  
97lexuses3
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I am having the same problem. About how much does it cost to get the strut mount replaced? thanks!
Old 07-19-09, 06:10 PM
  #23  
brandon524
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Default I had same issue, resolved it for 155 parts and labor

I also have a 99 es300 with 146000 mi on it. I had the same issue. I bought struts (KYB) for it and had them put in. I neglected to buy the strut mounting plates or brackets under the hood. They were only 57 for the pair on EBAY. Replacing the struts did niot fix the noise, I then took a techs advice and replaced the mounts. Good as new....
Old 01-19-10, 10:16 AM
  #24  
rghouse
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Default DIY repair?

hi,

do you need special compression tools for replacing the strut mounts/bushings? I have chattering in the front end (both sides) when it is cold and under 35 mph (I think i just notice it more because its quiter at this speed). The struts are new. my es has 140k- I just bought it and this is the only problem...

I have experience with toyota truck suspension work. way different ball game?
Old 02-09-10, 07:46 PM
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DrivingZen
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Originally Posted by rghouse
hi,

do you need special compression tools for replacing the strut mounts/bushings? I have chattering in the front end (both sides) when it is cold and under 35 mph (I think i just notice it more because its quiter at this speed). The struts are new. my es has 140k- I just bought it and this is the only problem...

I have experience with toyota truck suspension work. way different ball game?
I'm wondering the same thing. This manual shows two "SST" tools needed. One is to turn the top nut on the strut, and a pair of spring compressors. The spring compressors can probably be any generic kind, but I'm unsure about the other.
Attached Files
File Type: pdf
Suspension and Axle.pdf (1.02 MB, 3250 views)
Old 02-09-10, 08:56 PM
  #26  
MikeLex
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There is a TSB (December 1999) addressing this noise. Toyota designed a new strut mount rubber to fix the problem. As a result, the old parts # 48603-33020 (RH) and 48609-33120 (LH) have changed to 48603-33021 (RH) and 48609-33121 (LH). So beware.
Old 02-12-10, 12:14 PM
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mtnman82
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MikeLex - what model years do the new part #'s cover? Is this applicable to my '96?
Old 02-12-10, 12:22 PM
  #28  
MikeLex
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Originally Posted by mtnman82
MikeLex - what model years do the new part #'s cover? Is this applicable to my '96?
The SU002-99 TSB (FRONT SUSPENSION SUPPORT NOISE) applies to

1997 - 2000 Model Year ES 300 and
1999 - 2000 Model Year RX 300.
Old 05-15-10, 06:47 AM
  #29  
kwinfree
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DrivingZen, thanks for the pdf, it's exactly what I was looking for to do a front strut/mount and rear sway bar bushing replacement today!
Old 05-16-10, 05:04 AM
  #30  
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I've got the same "clunking" sound on my 2000 ES300 - passengers side only. Have had several mechanics ck it out when replacing tires, rotors, etc and nobody has identified the problem - "nothing wrong with the suspension" is the answer I always get. I have 123K on my car and the noise doesn't happen over every kind of bump... really strange. I am having all struts and mounts replaced in next two weeks (about $1200) because I think that it is time for that maintenance... car came from Boston area - not known for smooth roadways or streets.


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