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#1
10-16-2005, 05:27 PM
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Help identifying vacuum line
Hello everyone,
I went to check the vacuum system prior to making transmission adjustments and was only getting 15" at the main to the shutoff valve. I started checking lines going into the cabin and found when I plugged the brown? one in the picture the vacuum went right up to 20+". The line in question is shown in the attachment. The manual says "To other vacuum consumers". Which is totally usless information. Can anyone identify this line and tell me what it does? Thanks Danny
__________________
1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination 
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#2
10-16-2005, 06:16 PM
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The black lines into the cabin are vents. They end a few inches through the firewall.
I'm pretty sure the brown and brown/red lines go to the key switch for the shut-off valve. The other line goes through the yellow check valve then splits. One line goes into the cabin for the ACC, the other goes under the fuse box and into the left fender to the vacuum reservoir eggcrate. Sixto 87 300SDL
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#3
10-16-2005, 10:05 PM
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Thanks Sixto,
the red/green and white lines are fine. It's just the brown one that's leaking vacuum. Maybe I'll pull the cluster out tomorrow and see what I can see. I'm wondering how long it's been like that. I had a new radio installed not to long ago but the AC and all the switches work fine. If I find out anything I'll report back. danny
__________________
1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination
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#4
11-05-2005, 11:34 PM
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Just to follow up the line in question goes to the ignition switch.
Danny
__________________
1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination
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#5
11-06-2005, 12:19 AM
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if im not mistaken i believe that one on mine anyway leaks reguardless..ill haveto check my old test diagram but i am prettsure one of them lines just leaked no matter how many pumps u mustered
update: i might be wrong i didnt write a number down for this line as it wasnt in my diagram.. these numbers are old and were taken from my leaky system..i have made repairs since then 
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