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#1
07-10-2002, 01:16 PM
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Strange noise from rear of 300SD
During my last drive from BC to Alberta, with rather heavy load in the trunk,I started to hear a noise when going over some less smooth highway.It seemed ,when listening from the driver 's seat,like emanating from the left rear safety belt harness inside the wall.When sitting in rear it sounded more from the centre of back.The noise at the begining was like a loose nuts or similar,later it developed in more like a bumping of the body against something when hitting some rough on highway.
During the trip( 1 900 km) I asked two garages to identify the problem,nothing has been found. When returning home,I asked my standard garage repair place to investigate.They did not find nothing serious with a definite answer to this problem. Did somebody had a similar case?From my own thinking it looked like a shock absorber problem,but garages did not find it like that. 
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#2
07-11-2002, 12:17 PM
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You said it sounded like it came from the center of the car? I just fixed a clunking problem when going over bumps....it turned out to be sway bar end links
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'85 300SD (formerly california emissions) '08 Chevy Tahoe '93 Ducati 900 SS '79 Kawasaki KZ 650 '86 Kawasaki KX 250 '88 Kawasaki KDX200 '71 Hodaka Ace 100 '72 Triumph T100R
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#3
07-11-2002, 08:52 PM
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Thanks,it was like that dieagnosed also by my garage repair shop.Just waiting now for parts to fix it.I hope that might be that.
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#4
07-11-2002, 09:16 PM
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It looks like rear sway bar links. Those plastic links are 8 bucks a piece and worth replacing if in doubt. It will eliminate one probable cause. And if nothing, it will really improve your rear end ride and drag. Lets know how it goes, so it can be helpful for future troubleshooters. Thanks
MVK
__________________
One penny saved is three penny earned. 1985 300D Turbo 179,000miles Last edited by MVK; 07-12-2002 at 05:34 PM.
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#5
07-11-2002, 09:42 PM
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If you will check the technical bulletins which have come out concerning your car you may find that they suggest replaceing the trailing arm bushings... if the front ones become compressible then the back one acts like a fulcrum ,...letting the forward part of the arm whack the bottom of the car... makes a pretty good thump when that happens... Just my guess... Greg
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