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#1
03-12-2008, 03:45 PM
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Noisy annoying sound from the rear.
Ive always had a noisy rear in my 300d. With no weight in the car, its fine, but today when i put in 4 bags of mulch, it was soooooo annoying. It went from sounding like i was on smooth pavement, to the roughest road with tires filled with granite. When turning to the right, it goes away and is smooth again, but when turning to the left it gets even worse. Its heard as much as its felt. Doesnt really translate to the steering as much as its felt from under me.
Things ive replaced- sway bar, links, shocks, new tires. Anyone have any clues to what im dealing with?
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1980 300D 
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#3
03-12-2008, 04:07 PM
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Sway bar links make rattling noises over small bumps. Bad shocks will make the rear end really bouncey.
I'd investigate the half shafts. Make sure the boot are in good shape, no cracks or tears. Also check the center bearing on the driveshaft.
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Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#4
03-12-2008, 04:12 PM
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I get an annoying sound from my rear....... AHHH never mind. I can't....
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? 
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#5
03-12-2008, 05:01 PM
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Boots are in great shape and bearings check out fine as well. Sorry, should have mentioned that as well. Ill check the half shafts next.
If the center bearing on the driveshaft was bad, wouldnt it be apparent when unloaded as well?
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1980 300D
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#6
03-12-2008, 09:51 PM
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The CV joint can still go bad if the boots are good. Also the PO could have replaced the boots only without doing the rest of the job on them.
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84 300D, 82 Volvo 244Gl Diesel
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#7
03-13-2008, 01:44 PM
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Sounds very much like a bad RR wheel bearing. Sounds like a mud&snow tire on the freeway, swerving right-left changes it. Might last a while, might not. It won't necessarily get hot, nor will it have play, but the bearing is bad.
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 Gone to the dark side - Jeff
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#8
03-13-2008, 02:42 PM
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Noisy annoying sound from the rear.
"c'mon, honey...please?"
"No. Stop it!"
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85' 300D No inspection, No registration fees, Cheap insurance "If my calculations are correct, when this baby hits 88 miles per hour, you're going to see some serious %$&^."
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#9
03-13-2008, 02:59 PM
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Quote:
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1989 300E 144K
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#10
03-13-2008, 04:17 PM
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did you look at the sway bar links?? i have seen them do that when they are broken and rub on the wheel,
__________________
1967 250 S 1967 280SE 1968 250S 1971 280 SE 1973 220 1974 280 S 1975 450 SEL 1976 220 D 1979 300SD 1983 300 SD 1985 230 TE euro 1986 280SL 1986 500 SEL euro 1986 190E 2.3 1990 300 SE 2003 C230 K 2004 C230 K 1987 560SEL 1987 300SDL now in canada 2005 C230 1998 C43 AMG Sold to DON 1993 190E 2.6 300TD Former daily driver Totaled current: R320 CDI Ram 2500 Cummins
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#11
03-13-2008, 05:22 PM
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I replaced the sway bar links not long ago. They are fine. The bearings are about a year old. Just before i bought the car, the po had his mechanic in Houston put in new bearings, half shafts and boots. Whether he did new cv joints...i dont know. but this really sounds different than bad cv joints. Louder and harder feeling than snow tires, but not as menacing as cv joints.
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1980 300D
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#12
03-13-2008, 07:41 PM
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My TE had a rear wheel bearing go bad when the car was 2years old.
If you can accelerate and let off the pedal and it doesn't change, it isn't CV joints. If it happens straight on smooth-level pavement, it isn't suspension. If you can apply and release the brakes (service and parking) without changing it significantly, it probably isn't brakes. If it is sensitive to swerving left/right, and to changing load in the trunk, it is almost certainly wheel bearings. New Chinese bearings have had a full life it they're a year old.
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Gone to the dark side - Jeff
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#13
03-14-2008, 08:18 AM
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I sometimes have that, too. Sometimes it comes from the rear. Sometimes it comes from the passenger seat in the front. I just make her get out and the problem is solved. . . .
I'm sorry. When I read the header, I just couldn't resist. I'm getting geared up for the weekend. Have a great one, everybody!
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century  OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles
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#14
03-14-2008, 04:23 PM
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I've had two 124 rear-wheel bearings go bad so far, both times it was not detectable with the weight off of the wheel, no play and no noise, but put weight on it, ... I'm voting for the RR wheel bearing.
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Gone to the dark side - Jeff
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