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  #1  
Old 06-01-2007, 08:41 AM
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W126 420sel Vacuum Diagram

Does anyone have a vacuum hose diagram for the 420sel or know where I can find one? Thanks.

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  #2  
Old 06-01-2007, 09:08 AM
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Vacuum diagram for what system?
Engine, a/c, central locking, lumbar seats??
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  #3  
Old 06-01-2007, 09:36 AM
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What I need is for the engine, basically all the plastic vacuum lines in the engine compartment. Most are of them are not connected anywhere and break apart upon touch so I am going to be replacing them all and running new lines.
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  #4  
Old 06-01-2007, 10:13 AM
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here is that file on previous post

http://www.peachparts.com/shopforum/showthread.php?t=151477
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Mercedes Benz Star Technician (2 times)
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MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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Last edited by mbdoc; 06-01-2007 at 11:04 AM. Reason: wrong pdf
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  #5  
Old 06-01-2007, 10:22 AM
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I don't see one for my car though. The 420sel engine vacuum tubing diagram.
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  #6  
Old 06-01-2007, 11:05 AM
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ooops look again
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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  #7  
Old 06-01-2007, 11:57 AM
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That is strange I keep getting:
Invalid Thread specified. If you followed a valid link, please notify the administrator
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  #8  
Old 06-01-2007, 12:06 PM
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RC2007 could you let us know what year the car was made in? In electric and vacuum, this information is important.
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84 500 SEL (307,xxx miles)
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  #9  
Old 06-01-2007, 12:13 PM
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It is a 1988 420sel. Sorry about that.
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  #10  
Old 06-01-2007, 12:37 PM
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RC2007
If you will send my a private message with your E-Mail address I will send you the diagram. I can't seem to figure out how to attach a message using the Mercedes Shop E-Mail and it is too big (175K) to attach it to a reply.
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  #11  
Old 06-01-2007, 12:57 PM
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The diagram is on it's way.
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  #12  
Old 06-01-2007, 02:59 PM
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Thanks for the diagram, still trying to maks sense of it.
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  #13  
Old 06-03-2007, 08:22 PM
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Unfortunately that diagram doesn't show all the individual vacuum lines and where they connect. I have been guessing up to this point, the transmission has never shifted so smooth before but the car idles as rough and near stall son acceleration. I know that they are not connected correctly or probably even close. If anyone knows of the correct way to hook these up, let me know. Thanks Again.

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