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  #1  
Old 08-21-2022, 09:35 AM
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W124 front lower arm bushing damage - clunk?

Could this be the cause of a clunk on sharp bumps?

This is on a 1990 300D.

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W124 front lower arm bushing damage - clunk?-c5ac1cfb-7d9b-4491-acbb-cd29fe5f6d46.jpg  

Last edited by vstech; 08-22-2022 at 01:23 PM.
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  #2  
Old 08-21-2022, 11:03 PM
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Clunking on sharp bumps on w124 is from two items mostly

The balljoints or the rollbar bushings
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Old 08-22-2022, 01:25 PM
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Quote:
Originally Posted by g300d View Post
Could this be the cause of a clunk on sharp bumps?

This is on a 1990 300D.
Picture was waaaay too large, I uploaded to our server for posterity and usability.


Lemme know if you need to rent my bushing remove, install press tools.
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"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
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Old 08-22-2022, 01:29 PM
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Describe in detail when and what you are doing When it clunks.

At bushing looks ok, lightly dinged, but intact. The way to inspect bushings is to loook at the bolt, th concentric, and the rubber in the sleeve. If badly cracked, an or missin parts, sure, change it, But a ding in the collar is nothing.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #5  
Old 08-22-2022, 09:10 PM
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Posts: 280
Sorry for the huge pic, thanks for resizing and uploading it!

The clunk sounds like something loose moving when hitting a sharp bump like big cracks in the road. Doesnt happen all the time, just on certain bumps. When it hits it will clunk once, it doent rattle around. Seems to be from the left side.

Pretty much the whole front suspension has been replaced within the past 2 years lol!
-Struts (Bilstein comforts)
-Top mounts and shock boots/stoppers (Febi)
-Tie rod assemblies (Lemforder)
-Drag link (Febi)
-Steering shock (Stabilus IIRC)
-Swaybar bushings at control arm and hangers (Lemforder)
-Lower arm ball joints (Lemforder)
-Wheel bearings (SWAG)

The lower arm bushings in question were replaced around the same time as all those above, they are Lemforders.

I did check the swaybar hangers, not broken.

So I think the only things not replaced are the idler arm bushes and the steering gearbox.

Steering is tight, no dead center play in the steering box, ride is ok and quiet most of the time.

I do have a whining noise now at the front I think, from the wheel bearings. Comes out at higher speeds and lessens when turning a certain direction. Tightened the right front but its still humming a bit, may have farked bearings.

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