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  #1  
Old 11-03-2012, 07:16 PM
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Vacuum Diagram for 1981 240D Auto no EGR?

I am having a hell of a time finding this.

Auto transmission
1 2-3 valve mounted on a plate
No EGR
Hose from booster to vacuum pump has two connectors

Dug through FSM, Haynes, EPC, Google, Sticky's, here and 2 other forums.

I think I have a diagram for about every other model though!

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1978 Mercedes 240D
1981 Mercedes 240D
1982 Mercedes 240D
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  #2  
Old 11-04-2012, 12:04 AM
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Question

VIN?
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  #3  
Old 11-04-2012, 01:47 AM
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will this help?

http://www.peachparts.com/shopforum/diesel-discussion/287994-vaccum-problems-1981-240d-auto.html

Charlie
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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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  #4  
Old 11-04-2012, 10:32 AM
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Close! Mine only has one 2-3 valve on a small plate on the top. I knew I should have taken a picture a year ago when I took this thing apart!

VIN is WDBAB23A2BB225735

I tried EPC but couldn't seem to find this one. My 1978 has the wire linkage for the auto and my 1982 has the black box octopus connector and is a manual.
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  #5  
Old 11-05-2012, 07:35 AM
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Quote:
Originally Posted by NC-Diesel View Post
VIN is WDBAB23A2BB225735
This is a MY1981 US-version ogf the 240 D which must has EGR.
See scheme, chapter D.


Salutte!
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  #6  
Old 11-05-2012, 11:01 AM
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Thanks Dr! you are a savior!

What section of the manual did this come out of?
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  #7  
Old 11-05-2012, 04:52 PM
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Ok. After reading this it appears that my 81 should have an EGR?!! Odly I found a diagram for the 1980 model and it looks like what I have. Is it possible they put a leftover 1980 engine in my 1981? I want to restore it to original condition and I do have an EGR intake with throttle, etc courtesy of NC-Friend. But I'd rather leave it off if it was not factory original.

I did manage to find a replacement 2-3 valve for $5 at the pick and pull so I do feel lucky now!
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  #8  
Old 11-05-2012, 09:23 PM
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Found it!

This is it. Weirdly mine has the 1980 setup. I almost wonder if the engine was replaced at some point....
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Vacuum Diagram for 1981 240D Auto no EGR?-123_1.jpg  
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  #9  
Old 11-06-2012, 07:03 AM
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Quote:
What section of the manual did this come out of?
"14 - Intake Manifold, Exhaust Manifold, Emissions Control System"

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