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  #1  
Old 06-21-2005, 04:01 PM
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Two unhooked Vac lines Under dash on 84 300d

Hi all I am a Tech at a dealer here and we have an 84 300d in that we are selling.

The Vac Locks do not work, atc is inop, and the engine will not shut off..

I can shut it off by applying vac to the ignition switch. There are two black Polyamaride vac lines that come thru the firewall gromett and up the the base of the steering column, however they do not attach to anything. I have tried to find these two lines in a Vac diagram to no avail.
I have searched the forums here, and even called the Local MB dealer and have not found anything.
So I ask does anyone know what these two lines go to?
it is down to me and they really want this car on the lot!!!

Thanks!

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Old 06-21-2005, 04:11 PM
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Location: Santa Monica, CA
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Check this: http://www.peachparts.com/shopforum/showthread.php?t=105297
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Old 06-21-2005, 04:24 PM
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Thanks. I had been studying those diagrams, and not having much luck. Altho it does appear that one of these lines may be the vent that is shown, the other appears to be a line that is just labeled as "remaining consumers".
The bummer is that everythign did work just fine, it went out to be detailed and now it has these problems...
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Old 06-21-2005, 05:50 PM
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if they cleaned the engine, check all the vac connections at the firewall against the diagrams as well as any rubber connections that might be leaking.

if they knocked some off and reconnected it wrong it might be the problem.

You can also plug off everything from the main splitter that goes in the cabin, but leave the brown line connected- for the shutoff, reconnect the others one at a time to locate your leak.

green is climate
yellow is locks
black is vent
etc

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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