A belated WELCOME Thom ! you're no troll , trolls cause problems .
The vacuum system needs time consuming diagnosis , no way 'round it .
The many & varied Mechanics responses are because there's no way to make the Customer understand the hours one can put into testing , you need to remove the carpets and other floor things , hook up the Mity-Vac Tool then pump it up and pay attention , move on to the next thing , the order in which you test , is very important , few seem to grasp this , it seems obvious to me .
In the end , you'll prolly wind up replacing _ALL_ the various rubber 'T' & ' Y' connectors , some if not all the vacuum actuators too as these items all die of old age in addition to regular use .
For now , I'd go under the hood and look for the yellow plastic tube coming out of the firewall , disconnect it and pug both sides , if this makes the engine shutoff quickly , you know where to begin testing , meanwhilst you can drive happy .
More later if you wish , I'm against the clock this morning .
-Nate
Thom wrote:
>
> <hope this doesn't post twice>
>
> well...this has been a long time coming.
>
> My name is Tom and I am the proud owner of a black 1981 300td (name of Olesia).
> I have been on this list since I first got the car almost 2 years ago, and read and study every post, oh...also laugh!
>
> It's really great to know where to turn to for "my fellows", regardless of age, gender or location who share my love for the older diesel merc's.
>
> I like to tell folks that my car was driven here from Stuttgart by way of Beirut-on-a-bad-day. (she looks as though she's seen some war, and carries scars to prove it.)
>
> Even though I live in Irvine (home of the Classic Center), I still haven't gone to check it out or hunt down the other Tom for questioning...
>
> Anyways, HELLOOOO o oo oo o oO o oo. sorry to be such a gnome, troll, silent hermit, etc.
>
> Now, my QUESTION:
> It's concerning my vacuum system. I know I have some issues here...
> Most of the time (when it's dry) I have to manually go and lock all my doors and check the hatch lid.
> When it is wet (not just cold and wet), like now with light rain, everything works perfect: car shuts down immediately, all the doors lock and hatch AND fuel door lock without a problem. I'm guessing this is how the system is supposed to work (duh, right?)
> Now I know I need to do some hunting to find what causes this leak, just wanted to bounce one of my "issues" off some more experienced minds.
>
> I have asked the local MB dealer, my mechanic (who specializes in diesel mercedes), and a friend who is an all-hats mechanic & I get 3 totally confusing answers that all involve lots of money and them thinking I am crazy for wanting to fix this money-pit.
>
> any thoughts?
>
> again: when wet (as in rain OR heavy-fog/overnight dew) the engine shuts off quick & all the locks close when I lock the driver's door (let's not mention the hard shifts for now [whoops!]. when dry, it's a walk-around to manually open and lock all doors.
>
> I guess I should mention that when dry, if I turn off the ignition and exit and lock the driver door while the engine still runs, all locks will close.
>
> never had any problem with the locks opening/unlocking. i.e. if I turn off the engine and wait for final shutoff (which seems to vary), all locks pop up.
>
> sorry to sound like such a neophyte. I can't even begin to describe some of the other problems I am having. suffice it to say I have had much help and hope just reading the posts and learning what does/doesn't work & what to expect.
>
> thanks in advance for any and all responses.
>
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