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  #1  
Old 11-12-2013, 10:12 AM
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1982 300d Turbo Diesel Vacuum Diagram

Can someone pleas post a photo of there vacuum connections near the brake booster...when i bought my benz all the lines were pulled out..
i have searched all over this forum for a nice photo..i have found everyone but the 82 300d turbo. i think a 3-way connector is missing. a photo would help immensely. thanx in advance.

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Old 11-12-2013, 05:31 PM
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On the top front cross member in front of the Radiator there may be a sticker with the Vacuum Diagram on it.
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Old 11-12-2013, 05:50 PM
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i actually wanted a photo of someone elses so i can see what parrts are there and not there.
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Old 11-12-2013, 06:13 PM
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Here are a couple pics of mine. Not sure its right. Curious to see what others say. My diagram is long gone and have tried finding one for mine. Also a 82 300D.
Attached Thumbnails
1982 300d Turbo Diesel Vacuum Diagram-vacuum.jpg   1982 300d Turbo Diesel Vacuum Diagram-vacuum1.jpg  
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  #5  
Old 11-12-2013, 06:41 PM
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Make sure you get the one down low just in front of the oil filter.
Easy to overlook that one.

Id take pics of mine but its 38 out there... it was in the mid 60's yesterday
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Last edited by TnBob; 11-12-2013 at 06:57 PM.
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  #6  
Old 11-12-2013, 07:00 PM
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cbum33 thank you so much.

i think i have mine done correctly now .
my 1-3 connector was bad..i had to order a new one , the previous owner thought it would be cool to put screws in the openings.
So the openings are to stretched out for vacuum tubes to fit in there.
im wondering how the lower black vacuum (the lower one on the vcv)goes into the firewall vacuum space.
i think its just a vent, i could be wrong
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Old 11-12-2013, 09:17 PM
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Ya I think you are right. In one of the pics you can see the black line off the 3 way and that goes into the cabin under dash and is open to ambient cabin pressure. Have read that is a suppose to be open and will cause issues if plugged.
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Old 11-14-2013, 09:39 AM
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Yes, just a vent to draw down the vacuum needed by the transmission.
The hier the revs, the less vacuum is necessary.

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