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#1
10-31-2009, 11:42 AM
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Strange vibration in my 98 E300
Only noticeable from about 50mph and up. Seems like the whole car is vibrating, not shaking but a mild vibration that comes and goes. Seems to rise and fade on a 3-5 second cycle. I feel it in the seat and steering wheel. I have changed all the wheels, front end align, new tie rod ends, motor mounts about 40K ago, recent diesel purge. I have not: checked the flex disc or carrier bearing. I'll search on how to check these (if you think they may be the problem). Any other thoughts on what I need to check?
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 Muleears '07 E320 Bluetec 133K my DD '04 Jaguar XJ8 VDP, 34K '10 Hyundai Accent 60K Grocery Getter '02 VW Golf soon to be on the road again '97 E300 Diesel Son's DD '61 VERY tolerant wife Hampton Roads, VA USA Gone but not forgotten: '67 250S 95K '86 300SDL '87 300D Turbo, 364K! R.I.P. '98 E300 Turbodiesel, 213K '02 S420, 164K '01 Prius 138K 
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#2
10-31-2009, 11:54 AM
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Some will direct you to LCA bushings...are yours original? I have trouble believing that LCA bushings being worn can cause vibration but I do believe they can make a car prone to vibrate from other faulty parts worse.
Carrier driveshaft bearing/carrier/flex joint/u-joint are also all a possibility.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz 
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#3
10-31-2009, 12:11 PM
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Thanks Marty.
I forgot to mention that it is in need of shocks on all four corners. LCA's are original.
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Muleears '07 E320 Bluetec 133K my DD '04 Jaguar XJ8 VDP, 34K '10 Hyundai Accent 60K Grocery Getter '02 VW Golf soon to be on the road again '97 E300 Diesel Son's DD '61 VERY tolerant wife Hampton Roads, VA USA Gone but not forgotten: '67 250S 95K '86 300SDL '87 300D Turbo, 364K! R.I.P. '98 E300 Turbodiesel, 213K '02 S420, 164K '01 Prius 138K
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#4
10-31-2009, 12:24 PM
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My OEM shocks developed freeway bounce at about 190k; replacing them helped the feel of the car but it was short lived. LCA bushings didnt help much. Sway bar bushings and links helped more.
Is your trans mount OEM? It could be the culprit. I think Uberwgn did a nice DIY on replacing.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#5
10-31-2009, 12:36 PM
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Trans mount is orig. I guess I'll start replacing some bushings and checking the bearings and flex plate/ universals. Thanks to all for the advice.
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Muleears '07 E320 Bluetec 133K my DD '04 Jaguar XJ8 VDP, 34K '10 Hyundai Accent 60K Grocery Getter '02 VW Golf soon to be on the road again '97 E300 Diesel Son's DD '61 VERY tolerant wife Hampton Roads, VA USA Gone but not forgotten: '67 250S 95K '86 300SDL '87 300D Turbo, 364K! R.I.P. '98 E300 Turbodiesel, 213K '02 S420, 164K '01 Prius 138K
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#6
10-31-2009, 04:18 PM
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Quote:
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz
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#7
10-31-2009, 10:43 PM
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Check the fluid level in the rear diff and make sure the vent is clear.
            :poli ceman           : wings:
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1999 E300DT (131,800) 154,000 Black on Black  SOLD2006 CLK 500 coupe Capri Blue on Grey (zoom,zoom)  47,000mi 04 VW TDI Passat 80,000mi (Techno) How to eliminate oil dependency through market-driven approaches. “We could cut oil use in half by 2025, and by 2040, oil use could be zero,” The Sound of Diesel Speed Ode to MB
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