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Old 05-25-2011, 01:37 PM
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Join Date: Dec 2009
Posts: 427
Hard shifting on 95 E300D, Anyone know a good tech in Syracuse

Hard shifting on 95 E300D, Anyone know a good Transmission tech in Syracuse. Thanks
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Old 05-25-2011, 01:43 PM
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Join Date: Jul 2001
Posts: 897
Can't help you with a technician, but hard shifting is almost always caused by a vacuum leak. Check your vacuum lines, especially the Tees and connectors. If you can measure it, check the vacuum at the transmission. Not sure of reasonable values, but you can search the forum.

Chris W.
'95 E300D, 341K
Objects in closer are mirror than they appear.
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Old 05-25-2011, 02:42 PM
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Join Date: Jul 2008
Location: Kona, Hi
Posts: 1,390
Have you checked the regional forums?
83 300TD (need rear wiper assembly dead or alive)
85 300TD almost 400k miles and driven daily.
98 E300D *sold
86 300SDL *sold and made flawless 10 hour journey to new home.
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Old 05-25-2011, 04:45 PM
1995 E300D / Kansas City
Join Date: May 2011
Location: Kansas City, MO
Posts: 30
Going through this exact same problem on my 1995 300D. To start I had a bad modulator valve, didn't have time to do it myself and took it to a local indie shop where they proceeded to install the wrong damn modulator. Now my actual diesel mechanic is putting in the right modulator and adjusting the pressures to spec. I also have a vacuum leak somewhere under the manifold which he is going to address. My diesel mechanic is an ASE certified master mechanic and transmission specialist who has been working on diesel mercedes and vws for 20+ years. Despite the hard shift he has told me the transmission itself is actually in really good shape. The vacuum leak is the root of my (and from what I understand) most diesel benz transmissions problems.

After going through this my advice is to make sure you find not just a transmission or import mechanic but one who knows the issues inherent with the Mercedes vacuum systems. I have heard of quite a few people who have had their transmissions replaced by shops because the hard shifts were wrongly diagnosed as a transmission problem and even after having the transmission replaced a hard shift remains because the real issue, vacuum leaks, was not addressed. Good luck and let me know what happens with yours.
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Old 05-25-2011, 08:06 PM
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Join Date: Dec 2009
Posts: 427
Well I have another steep learning curve on my new 1995 E300D which has so many parts vacuum operated compared to my 1997 E300D. Since finances are tight I try my best to do most of the work myself. However there are at times when I could use the wisdom of a tried and true MB mechanic who knows the ins and outs of these great machines. I have been research how to track down vacuum leaks in MBS but if I dont succeed anyone know someone in the Syracuse area?
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