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  #1  
Old 10-22-2008, 09:23 AM
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Join Date: Jul 2006
Location: Nashville, TN
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Transmission clunk, probable vacuum issues

Hey guys,
My 300SD's shifting harshness seems to be getting worse. It "flares" between shifts. But the harshness depends more on how hard I am accelerating or not. If I take off quicker it doesn't shift as hard(most of the time) But if I'm driving slower between stoplights it shifts harder. It also sometimes clunk when slowing down. I don't have a vacuum tester. Is there anything obvious I can look for? Of course the rear end of my car is still "whining". I believe it is either my driveshaft or axle. Any help or suggestions would be greatly appreciated. Also, my door locks and dash vents etc seem to be working properly. Thank-you in advance

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1985 Mercedes Benz 300SD, TMU
2015 Chrysler 200S
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  #2  
Old 10-22-2008, 10:04 AM
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Join Date: Jun 2008
Posts: 343
As soon as I fix the rough idle problem the exact same issue is next on my list. From what I've read it is likely a vacuum problem. Get a mytivac.
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Old 10-22-2008, 11:45 AM
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Join Date: Jun 2008
Location: Wilmington NC
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I just bought one last week from Northern Tool and Equipment Co. for $40. If you have one nearby, they kick a$$!

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1982 Mercedes Benz 300SD w/ Greasecar Kit
2004 Ford F350 Dually
2004 Honda CBR1000RR
1992 Reynard Formula Continental
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