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  #1  
Old 10-31-2007, 03:39 PM
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bulletproof air
 
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Exclamation Brass canister on back of Fuel Injection Pump

Just as the title denotes, there's a brass canister on the back of my fuel injection pump, towards the firewall, ('83 300sd) with a SINGLE vacuum nipple coming off of the top. Unfortunately, I do not know what this part is called, but its pretty self explanitory.

I need to know where a vacuum line that connects to this piece leads to, as the entire vacuum line is gone! I've looked up various diagrams, and I just can't seem to locate one that has this particular piece on it.

Thanks!

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  #2  
Old 10-31-2007, 04:47 PM
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Post a pic please!
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  #3  
Old 10-31-2007, 08:35 PM
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here's a pic!

Again, just wondering where the vacuum line goes from the back of the fuel injection pump.

In the pic, the vacuum line I am talking about is the one closest to the oil filter, not the 3 way splitter.

Thanks!
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Brass canister on back of Fuel Injection Pump-fip-vacuum-canister-question.jpg  

Last edited by bulletproofair; 10-31-2007 at 08:37 PM. Reason: comment
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  #4  
Old 10-31-2007, 09:23 PM
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Answer:

Shutoff valve.

Run away diesel, why does it happen?
Run away diesel, why does it happen?



http://catalog.worldpac.com/mercedesshop/sophio/image.jsp?title=Shut%20Off%20Valve&url=http%3A//img.eautopartscatalog.com/live/D202017409BOS.JPG
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  #5  
Old 10-31-2007, 09:44 PM
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so...the vacuum line goes from the shutoff valve to a line sprouting off of the "main" vacuum line that goes directly to the brake booster from the vacuum pump?

The line I'm referring to is clear.
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  #6  
Old 10-31-2007, 09:48 PM
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I was under the impression you were referring to something above the shut off valve if I interpreted your picture and comments correctly. I don't know what it is.
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  #7  
Old 10-31-2007, 09:52 PM
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Quote:
Originally Posted by bulletproofair View Post
so...the vacuum line goes from the shutoff valve to a line sprouting off of the "main" vacuum line that goes directly to the brake booster from the vacuum pump?

The line I'm referring to is clear.
Shutoff valve -> ignition switch -> main vacuum line.

Otherwise, it'd just shut off instantly.
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  #8  
Old 10-31-2007, 10:45 PM
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What is the color of the vacuum line going to the shutoff valve?

That is ultimately what I need to know. I'm connecting all the vacuum lines (dropped in an engine and connecting everything up), and have 2 left.

I have a brown/blue stripe and a clear one. If I know which one goes to the shutoff valve (which I think its the one going to the brake booster), then I'll know where the other one goes.
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  #9  
Old 10-31-2007, 11:54 PM
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Shut off valve takes the brown line WHICH COMES FROM THE IGNITION SWITCH.
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  #10  
Old 11-01-2007, 08:13 PM
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Correct, there will be a brown line from where all the other color lines split off, run inside the cabin to your ignition switch, where another brown one will run from that to the shut off valve.

If you connect the shut off valve directly to the main large vacuum line off the vacuum pump, the car won't start.

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