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Old 01-11-2018, 08:13 PM   #2041  
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​​​​​​Conspiracy theory: the garage changed the strut mounts and it still made the noise. Rather than losing face by admitting they were wrong and risk losing money on the job, they inject some lube into the sway bar links to quiet it for now. And a few weeks later......
No idea where you took it, but I know a lot of dishonest mechanics.
And happy birthday 🎂
I love a good conspiracy theory but that doesn't look like a shady shop.

A shady shop would lube the bushings and lie about changing the shock mounts.
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Old 01-11-2018, 08:27 PM   #2042  
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Today was the first time I've driven the car in two weeks. Temps were zero to 20F all that time, and then today it jumped up to 60F, which is super weird.

So... sitting for weeks, frozen, and then unfrozen.

I don't know, man. I'll get under it tomorrow and see if I can pin point it. Honestly, I'd be happy to find the RSB bushing need greasing, and it's just a freaking coincidence. That would be totally fine.

Does the sway twist in the bushings as the rear raises and lowers?

Last edited by Rochester; 01-11-2018 at 08:34 PM.
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Old 01-11-2018, 09:15 PM   #2043  
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We've been experiencing similar temperature fluctuations and it's exaggerated my squeaking. I hope it's the bushings too.

I think it twists or flexes. It's the rise and fall on speed bumps and humps.

I think after 5 years I might replace the bushings if another round of grease doesn't work. H&R makes teflon impregnated bushings, or just Eibach replacements.

Good luck. It's maddening trying to track down squeaks and noises.
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Old 01-12-2018, 12:38 AM   #2044  
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#metoo am I using that right? Im in the same boat. Replaced my rear shocks last year after the winter, this year the sound is back. Probably the bushings.
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Old 01-12-2018, 07:00 AM   #2045  
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Does the Hotchkis bracket fit around the Eibach rear sway bar?
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Old 01-12-2018, 08:16 AM   #2046  
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I haven't gotten that far researching yet, I'm going to try lubricating them again.

Next step was to see if I could find H&R 32mm (f) and 29mm (r), perhaps from another application, and use the existing bracket.

I can't remember from the install if Eibach provided new brackets or if the bushings were thinner and the OE bracket got reused....
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Old 01-12-2018, 09:15 AM   #2047  
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I can't remember from the install if Eibach provided new brackets or if the bushings were thinner and the OE bracket got reused....
I got my sways 5 years ago. They came with red Energy Suspension bushings, and re-used the OEM brackets. Hmm... need to research the swaybar OD.

Doubt I'm going to do anything about this noise right away, being the middle of winter and all. While it's 60F at the moment, by this time tomorrow we're expecting to dig out from 12-18" of snow.
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Old 01-12-2018, 09:58 AM   #2048  
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I got my sways 5 years ago. They came with red Energy Suspension bushings, and re-used the OEM brackets. Hmm... need to research the swaybar OD.
I posted the OD in my above post.

You got your swaybars used IIRC. My bushings are black, I wonder if yours have already been replaced?
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Old 01-12-2018, 10:36 AM   #2049  
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I posted the OD in my above post.

You got your swaybars used IIRC. My bushings are black, I wonder if yours have already been replaced?
Bought them from an active forum member at the time, named Ashmostro. This was back in June of 2013. He had them on his sedan barely a couple thousand miles before selling the car and getting a 335is. No brackets, unless he kept them, and I don't really think so. He was a stand-up guy.

The car had only 13k miles on it back then... it's now 5 years and 25k miles later, and winter-driven (kind of). I've had my mechanic re-grease them at least twice during that time, not sure about the interval, but definitely twice.



As this goes through my head, I'd very much like this noise to be this simple. Not in the mood to chase down another suspension problem.

Last edited by Rochester; 01-12-2018 at 10:41 AM.
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Old 01-12-2018, 11:58 AM   #2050  
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With a limited window for high temps before this winter storm rolls through, I got the back end up on ramps thinking I'd look at the situation. But the garage is wet and the underside of the car is gross, and the swaybar brackets are seriously gross, everything is dirty and wet, and I forgot how deep under the car the swaybar is, and I'm old with feet of clay, without a lift...



Anyway, I don't think it's the bushings, I think it's the end-links. So this Spring I'll do the same damn two-step with diagnosis and repair.

Since the car gets driven so rarely in the Winter, this is just going to have to wait for Spring, when I'll approach the shop again.

And it fcks with my plans to get the car tuned in April. Not liking that.

Last edited by Rochester; 01-12-2018 at 12:43 PM.
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Old 01-12-2018, 12:57 PM   #2051  
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Interesting observation on the end links. Didn't really they they could be a source of squeaking. My only experience with a bad end link was snapping one in half on my Mazda 6s.

You could always just go with OEM replacements and get tuned as planned.
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Old 01-12-2018, 05:17 PM   #2052  
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In other news, my rear suspension is squeaking again. Oh. My. God.

It seems to be coming from both corners equally, although I really can't tell because of my fkd up hearing. However, pop the trunk and rock the car up and down, it's very obvious and very loud. I just had the strut mounts and bushings replaced a few hundred miles ago... that something else would crop up is insane.

Rear sway bar bushing? I honestly don't know. Damn it.
Well, the squeaking went away when you got the suspension fixed so I am guessing this is a new issue. Your guess about sway bar bushings is a good one, especially if they have been lubed before.

The sway bar twists quite a bit in the bushings and wears out/dries out the bushings pretty quickly. I had the same issue with Eibach sway bars on my Evo X. (Oddly, never with any other brands of sway bars so maybe Eibach has a flawed design?) The only thing that worked was waterproof marine grease. Try some of that.

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That sucks! I know the feeling though. If you recall, I "fixed" my front suspension squeak by cleaning and re-lubeing the sway bar bushing. Yeah, that lasted like 4 weeks

Happy belated birthday!
Try waterproof marine grease. That worked well for me. You should be able to find it at any auto parts store.
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Old 01-12-2018, 05:19 PM   #2053  
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Try waterproof marine grease. That worked well for me. You should be able to find it at any auto parts store.
That's what I used
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Old 01-12-2018, 05:22 PM   #2054  
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That's what I used
Damn! Well, my advice is garbage then. That was the only thing that worked for me on those damn Eibach sway bar bushings. I don't know what to tell you.
Try putting it on the bushings instead of the tires?
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Old 01-16-2018, 02:54 PM   #2055  
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New front tires... $200 each, plus shipping. Taking up space, waiting for winter to end.


Last edited by Rochester; 01-16-2018 at 04:18 PM.
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