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#1
04-11-2007, 01:58 PM
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Black vacume hose under dash
I have a n 84 300SD, I was pulling wires under the dash throught the firewall and I found a Black Vacume Hose with nothing attached to the end under the dash. The other end attaches to the square metal device on the rear of the injection pump. Where is the end under the dash supposed to attach to?
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#2
04-11-2007, 02:00 PM
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your ignition key cylinder. it turns off the fuel to the motor when you turn off the key.
there should be another hose there also, it goes to the vacuum source in the engine compartment. John
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
04-11-2007, 02:03 PM
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Sounds like a vent line
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#4
04-11-2007, 02:06 PM
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Quote:
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#5
04-11-2007, 02:10 PM
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vent huh? ok, I learned something again... still slowly though. on my TD the lines are black, and the brown line connects to the black line just before it goes through the firewall.
neato. John
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#6
04-11-2007, 02:14 PM
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Funny, I always thought that black line lead to the search option...
__________________
1989 300E 144K
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#7
04-11-2007, 02:17 PM
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If you look at this diagram, the black (sw) line going to "b" is the vent line we're talking about:
http://home.comcast.net/~phantoms/vacuum/engine.jpg
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