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  #1  
Old 04-09-2004, 09:40 PM
thevegmyster
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W123 vacuum line routing, any pics?

I searched and searched, and cannot find a image of the vacuum plumbing for my '80 300CD.
Please help!
My IP shutoff valve went kaput
and I disconnected it to stop more oil from getting sucked into the lines. The vacuum lines bundled together going from engine compartment to pass compartment were oily, and there are two yellow (check valves?) and a 5 way connector putting it all together,
and due to the oiliness and vibration everthing came apart!
I am now looking at a hopeless labyrinth of vacuum lines, how does it all go together?
I would be forever grateful if someone could explain.

I also need all new fittings, any ideas on where to get them?

BTW, I got a OEM IP shutoff valve for a mere $35 @
https://www.***************/

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  #2  
Old 04-09-2004, 10:49 PM
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Fastlane for the fittings...... you'll pretty much have to find someone with the same year car to get the routing right. I think that it's "trial and error" time if you can't find someone with an 80 300CD with a camera willing to snap a pic (an 81 might work too but MB liked to change the vac routing around it seems).
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  #3  
Old 04-10-2004, 12:02 AM
thevegmyster
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Good God,
I need a friend with a '80 300CD
HELP!!
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  #4  
Old 04-10-2004, 12:07 AM
thevegmyster
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Or instead...
All I want is to save my tranny.
I don't care if I have to shut the motor off at the engine compartment every time and lock the doors by hand...
If only I could plumb direct the tranny from the pump/booster fitting.
this may not be so complicated...

Last edited by thevegmyster; 04-10-2004 at 03:40 PM.
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  #5  
Old 04-10-2004, 12:41 AM
dmorrison's Avatar
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Here

Dave
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W123 vacuum line routing, any pics?-300td-vacuum-diagram-3-internet.jpg  
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Old 04-10-2004, 12:55 PM
thevegmyster
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thanks Dave for the post,
but that is definitely not my set-up.

'80 300CD
non-turbo, but GOES!
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Old 04-10-2004, 12:57 PM
thevegmyster
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oh, perhaps the other thing I should mention is that my car is a non-USA car. (Euro)

'80 300CD
non-turbo, but GOES!
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  #8  
Old 04-12-2004, 04:04 PM
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There should be two nipples on the large line from the vacuum pump to the brake booster. They should have two different size orifices. Connect the one will the smaller size orifice to the line going to the tranny. Then plug the larger one.
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  #9  
Old 04-23-2004, 03:13 AM
84W123DT
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Re: W123 vacuum line routing, any pics?

Quote:
Originally posted by thevegmyster

BTW, I got a OEM IP shutoff valve for a mere $35 @
https://www.***************/
For IP shutoff valve, I recommend OEM Bosch brand only. Don't go cheap on this one.

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