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Old 08-28-2006, 12:20 PM
olsaltybastard's Avatar
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Join Date: Apr 2006
Posts: 147
Solid Yellow Vacuum Hose

Alright,

I think I have figured out the issue with the car not turning off with the key. I have replaced all of the vacuum fittings underneath the hood and temporarily disconnected and plugged the hose that goes to the yellow diaphragm and plugged the hose (this bypasses the source of the leak and allows the car to shut off.) I removed the panel underneath the driver knee area and can hear the vacuum leak. When I wiggle the solid yellow vacuum hose, the squeak of the leak changes pitch. This leads inside an area that I can't seem to get access.

Any thoughts or tips to help me figure out what to do next would be greatly appreciated.


Edit:


OK, I went to take some pics and found that it leads to what looks like a small dashpot or something similar. Can anyone get me the part number for this? Talk about a ROYAL PITA to access!!


Last edited by olsaltybastard; 08-28-2006 at 12:36 PM.
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Old 08-28-2006, 12:44 PM
Fuzzball's Avatar
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Quote:
Originally Posted by olsaltybastard View Post
Alright,

Any thoughts or tips to help me figure out what to do next would be greatly appreciated.


Edit:


OK, I went to take some pics and found that it leads to what looks like a small dashpot or something similar. Can anyone get me the part number for this? Talk about a ROYAL PITA to access!!
OSB, sent you a PM to get Sam Ross's Vacuum diagram....
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Old 08-28-2006, 02:14 PM
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That yellow line is the vac supply line for the door lock system. Just to be sure that it is in the line, pull the door panel and find the solid yellow line again, and plug that end and use a MityVac to check to see if the line can hold vac.
In my car there is a vac check valve on that yellow line. I don't think you can get to it with out the dash out. I replaced mine when I had the dash out to replace the climate control accuators.

Check Valve - http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L00T87R01VU0UGVXW&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1982&product=O4040-32232&application=000023991

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