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Unread 11-15-2007, 07:36 PM   #1
famicom21
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1986 mercedes 300d transmission problem....

I know its usually a bad idea to ask tech questions in gd but her it goes;

I'm about to aquire a 1986 mercedes 300d non-turbo deisel auto trans.. for free!

I'm told that it needs a new transmission though.
Apparantly at around 30 mph, it decides to just shift into neutral.

thats all i know as of now (im picking it up on saturday). has anyone heard of this problem before? or does anyone know of a good mercedes forum or something i can go to?
im corssing my fingers for an electrical problem or a broken vacuum line...

im hoping to get this fixed and to a veggie-oil conversion.

and lame jokes a funny pictures are wlecome in this thread.....

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Unread 11-15-2007, 08:07 PM   #2
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Unread 11-15-2007, 08:39 PM   #3
famicom21
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you're useless...
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Unread 11-15-2007, 08:41 PM   #4
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my useless?
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Unread 11-15-2007, 08:45 PM   #5
famicom21
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Quote:
Originally Posted by Dr. Marneaus
my useless?
hahah i knew you were gonna do that, for the record, i changed my post before i read your response... even though im sure you wont believe that, at least i feel smarter
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Unread 11-15-2007, 10:11 PM   #6
jsbarks
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hey, i got a 84 300d being worked on right now. already got a 93? (my brothers) done. what veggie system do you/think you will use?
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Unread 11-15-2007, 10:25 PM   #7
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Here is a good source for parts. At least they were for me a few years ago.

http://www.thebenzbin.com/
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Unread 11-15-2007, 11:53 PM   #8
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your transmission uses vacume to adjust and help shift. when the vacume systems fail people think the tranny is on the way out. on the drivers side of the transmission there is a vacume modulator. check to see if it looks ok. www.mercedesshop.com has tons and tons of info on this.
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Unread 11-16-2007, 06:06 AM   #9
unsung
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mbworld.org

That is the MB site I use.
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Unread 11-16-2007, 09:02 AM   #10
34ford
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How do you have a 1986 NON-turbo diesel, A1976 maybe every one after 84 was turbo!

Last edited by 34ford; 11-16-2007 at 06:34 PM..
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Unread 11-16-2007, 09:47 AM   #11
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Quote:
Originally Posted by 34ford
How do you have a 1986 NON-turbo diesel, A1976 matbe every one after 84 was turbo!
Maybe he thinks because it says 300d and not 300TD, the 300TD was a station wagon and did not stand for turbo diesel like a lot of people think. My parents had an 1981 300TD and they finally got rid of it when the transmission started slipping around 6-7 years ago.
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Unread 11-16-2007, 02:20 PM   #12
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i actually havent seen it in person yet, so im not sure on the specifics.. i know that it was imported from europe and that technically it isnt legal here due to emissions standards... maybe that has something to do with the non-turbo?
here are some pics my dad sent me:





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Unread 11-16-2007, 06:39 PM   #13
34ford
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Body type shows on tag 123 last year for body style 1985. I have owned 12 of those ,good car in turbo / non turbo VERY SLOW!!!!!!!!!!!!!!!!!!!!!
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