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Thread: DRIVESHAFT VIBRATION

  1. #121
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    Re: DRIVESHAFT VIBRATION

    by the way, Wheels in Motion in Chesham used the spreader bar....

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  3. #122
    I do believe...! Christian_K's Avatar
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    Re: DRIVESHAFT VIBRATION

    Some how it seems to me that Mercedes has a vibration issue once they are getting older.
    I have various vibrations in all of my 4 cars. The CL was almost Vibration-Free when i bought it in 2013, and no it has vibration from the driveshaft.
    I wonder: Old BMWs i knew had no vibration, old Audis had no vibrations, but every older Mercedes i owned or was co-driving had vibration that werein most cases chased forever, without any real remedy...
    Christian K.
    06/1992 500E - DB199 Blauschwarz-Metallic
    09/1989 300E - DB172 Anthrazitgrau-Metallic
    11/1998 E430 - DB339 Violan-Metallic
    06/2003 CL55 AMG KOMPRESSOR - DB197 Obsidianschwarz-Metallic


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  5. #123
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    Re: DRIVESHAFT VIBRATION

    "NB there is also a lot of steering play on full lock each side..." Yes, it is normal on a recirculating ball steering gear has only the tightest point on center.

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    TerryA (1 Week Ago)

  7. #124
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    Re: DRIVESHAFT VIBRATION

    I have minor to moderate vibration issues on a few different cars, both 124 and 210. I've been able to rule out wheels/tires by using a reference set that are Road Force balanced near perfection, that are absolutely vibration-free on a different car... but on the couple with issues, the vibration remains regardless of wheels/tires. On the problem cars, I'm reasonably certain it's something between the transmission output and the rear wheel hubs, but I've never been able to pinpoint it. None vibrate bad enough that I've been willing to throw a ton of time and $$$ at it. On a rough road you can't even tell, but on a really smooth road, grrrr...


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  9. #125
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    Re: DRIVESHAFT VIBRATION

    GSXR that's it exactly. Do you think it can have any connection to a rough idle? Because my idle is lumpy when hot in P/N, becomes fine in D. In neutral I can increase the revs to let's say 1000 - it's ok; to 1500 the lumpiness comes back, which makes me think it's not in the idle... it's there at 2000 as well - and the frequency of the irregularity is the same at idle, 1500, 2000 etc...

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  11. #126
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    Re: DRIVESHAFT VIBRATION

    GSXR, maybe there actually is a real rather than perceived value to lower-mileage cars?

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    TerryA (1 Week Ago)

  13. #127
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    Re: DRIVESHAFT VIBRATION

    Lumpy idle is often related to old motor mounts (or, non-OEM mounts)... and possibly, a narrow spark plug gap. If your plugs aren't gapped to 1.0mm, give that a try, it's free. Since you notice the vibration with the car not moving, at 1500-2000rpm, I'd suspect the engine mounts. How old are they, and are they OE or OEM Boge mounts?

    Lower-mile car value is a voltaile topic. Just because a car has low miles doesn't mean it wasn't driven hard for those low miles. Collectors sure like to buy low odometer readings, especially if the cosmetics are pretty.


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  15. #128
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    Re: DRIVESHAFT VIBRATION

    Echoing the sentiment that my 500E is very sensitive to unbalanced wheels/tires too. One got knocked out of spec when a hotel valet damaged my wheel. Fixing the wheel shaved some material away. That wheel caused vibration until I could get it rebalanced, only at 80mph. Not 70, not 90. People thought I was crazy for focusing on it. Passengers noticed nothing. It drove me nuts. The 55 is that way too. When all is well, it tracks straight and smooth no matter how fast you want to go. The faster you go, the straighter and smoother it tracks. Let a tire wear the slightest bit out of wack, and it's a different car, not for the better.

    I'm glad you got this sorted out. Good on you!! We should have the IanAtkins persistence award. You'll go down in history like John Galt.

    Cheers,

    maw

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  17. #129
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    Re: DRIVESHAFT VIBRATION

    Thanks, but it's not quite sorted yet - although up to GSXR and Christian_K, yeah - I can live with it... I wish I could get it fixed though. The motor mounts are new-ish like a year or two old, and OEM... I'll look at the spark plugs. There's no vibration over 120km/h...

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    TerryA (1 Week Ago)

  19. #130
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    Re: DRIVESHAFT VIBRATION

    NB - very sensitive to road surface changes, and it's all exaggerated with the 17" wheels...

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    TerryA (1 Week Ago)

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