Left Rear Suspension Squeak - Lexus IS Forum
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post #1 of 14 (permalink) Old 02-26-2008, 05:32 PM Thread Starter
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Left Rear Suspension Squeak

Well I have had an on going problem and its driving me nuts. I have a squeak in the left rear of my car when ever I get in or out of my car or hit a bump. I thought it was the strut so i took that out and cleaned it and put it back in. 5 minutes later after driving it came back. I'm curious has anyone ever noticed any of the bushings becoming dry and rotted casuing this squeak. All my bushings look to be alright and just to see if I could stop it I squirted some silicone spray all over each bushing and it didnt do anything to help diag the problem. Any help would good since I'm about to go crazy over my Green IS!

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post #2 of 14 (permalink) Old 02-26-2008, 05:49 PM
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The rear mounts are definitely known to squeak when they get old.

Don't cheap out, buy a new set of bushings and get it taken care of.
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post #3 of 14 (permalink) Old 02-26-2008, 06:02 PM Thread Starter
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whoc rear mounts are you talking about again? sorry im confused by just reading rear mounts. and i wont cheap out if i need new ones ill buy them asap!

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post #4 of 14 (permalink) Old 02-26-2008, 06:34 PM Thread Starter
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re you talking about the rear sub-frame rubber mounts?

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post #5 of 14 (permalink) Old 02-26-2008, 06:36 PM Thread Starter
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are you talking about the rear sub-frame rubber mounts?

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post #6 of 14 (permalink) Old 02-27-2008, 08:21 AM Thread Starter
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so anyone know what these rubber mounts are that go bad?

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post #7 of 14 (permalink) Old 03-16-2009, 09:44 PM
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Did you ever find out what the squeek was? I've sprayed oil on everything over the years for the same issue, but If you found a bushing and if it's easy or cheap, I'll replace it. Thanks,
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post #8 of 14 (permalink) Old 03-19-2009, 08:31 AM
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Looks like I got this issue too now.

Just did my alignment and put on my summers and now my left rear is making this squeak when I'm going from stop to first gear and when I'm slowly rolling.

'02 BO MT IS300: 03SD Grill | BP'ed | Joe-Z | Clear Sides | JDM Shorty | Dynamat | F-Sport Shift Knob | Chrome Rings/Clock Surround/Dash Dials | OEM Nav Mod | TRD CF Spoiler | HID fogs | CDD | TRD Oil Cap | L-tuned Sways | TRD Coils | 04+ Steering Wheel | CR Kai | LS430 Projectors | L-tuned Exhaust | C-Tuned Front | TRD Side Skirts | VIS Rear Skirt | L-Tuned Badges
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post #9 of 14 (permalink) Old 03-21-2009, 11:33 PM
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Guys, winter just passed by along with a load of salt that dries up any type of bushing.

The most common squeek is definitely swap bar bushings. Spraying lube on the outside will not help those. Take the bushings off the swaybars and grease up the inside of where the bar passes.
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post #10 of 14 (permalink) Old 03-22-2009, 07:03 AM
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of course you can replace all the rear suspension components

2003 GGP Black Pearl 5MT Fully Loaded
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post #11 of 14 (permalink) Old 03-22-2009, 07:39 AM
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Quote:
Originally Posted by chado View Post
of course you can replace all the rear suspension components
Not all of us can afford TRD suspension.

Poster, I mean poster. What have I done?
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post #12 of 14 (permalink) Old 03-22-2009, 07:42 AM
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Take your rear swaybar mount off and wrap teflon thread sealant tape around the sway bar. It makes an EXCELLENT dry lubricant. I did it when I installed my TRD sways but I think I need to do it again.

Poster, I mean poster. What have I done?
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post #13 of 14 (permalink) Old 03-22-2009, 01:02 PM
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Quote:
Originally Posted by -Tom- View Post
Not all of us can afford TRD suspension.
i meant my old parts

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post #14 of 14 (permalink) Old 11-22-2013, 12:04 PM
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I have developed what I would call a thump thump in the rear left wheel/suspension assembly. I took off the inner-trunk cover and when I rock the car up and down, with my hand on the three bolts on top of the shock-strut assembly you can feel the clunk-thumb as the noise comes and goes.

The shock isn't leaking much, if at all, but I am not sure it is bad or the problem is one of the (apparently) several bushings in the strut assembly.

The car is a 2008 with only 16,000 miles so I am disappointed that anything is worn to the extent of the noise I have. I have researched changing the shocks which (if I buy KYB replacements) is not too $$$$. I just don't want to go to the trouble of pulling it all apart and finding some other part is kaput and not having a replacement.

Anyone know what the bushings cost inside the spring/strut assembly so I might change out the whole mess when its apart? Any other ideas?

Thanks
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