Question-How do I kill it?
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Junior User
Joined: Jul 2005
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Question-How do I kill it?
I have a question I have been wondering about. My 84 E-350 6.9l C6 has never failed to shut off, but can it fail? If if fails, how do I kill it? My MB diesel has a mechanical shut-off if I should loose vacuum. (MB used vacuum to operate almost everything.) I don't even know if the kill solenoid can fail to shut off or not, but what if it stuck open.
Thanks for any info on this.
Thanks for any info on this.
Senior User
Joined: May 2005
Posts: 129
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From: spokane WA
Originally Posted by schlager
I have a question I have been wondering about. My 84 E-350 6.9l C6 has never failed to shut off, but can it fail? If if fails, how do I kill it? My MB diesel has a mechanical shut-off if I should loose vacuum. (MB used vacuum to operate almost everything.) I don't even know if the kill solenoid can fail to shut off or not, but what if it stuck open.
Thanks for any info on this.
Thanks for any info on this.
Hotshot
Joined: Feb 2004
Posts: 11,697
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From: Marengo, Iowa
While I imagine it is possible for the solenoid to fail, it is sprung to the off setting, so it isn't real likely to be a problem, rather more trouble to get it to run. Haven't heard of one that wouldn't shut off, but that doesn't mean it hasn't happened.
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Joined: Jun 2007
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netmaker
If you hold open the air bleed plunger valve at the top of the filter, or even screw out the plunger valve, it will starve the injector pump of fuel. Just make sure you have a container to catch the fuel from the valve outlet as it will come out with volume and pressure.
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Junior User
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Thanks all.
I was wondering about this because my MB fails open. The wonders of running everything on vacuum when vacuum isn't a natural thing for diesels. The MB has a manual shut-off I guess because the normal shut-off is vacuum operated. I was thinking of putting a ball valve shutoff in line but it looks very unlikely that the unit will fail to shut off.
I was wondering about this because my MB fails open. The wonders of running everything on vacuum when vacuum isn't a natural thing for diesels. The MB has a manual shut-off I guess because the normal shut-off is vacuum operated. I was thinking of putting a ball valve shutoff in line but it looks very unlikely that the unit will fail to shut off.
Posting Guru
Joined: Oct 2005
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From: Powell River B.C.
According to my Haynes manual, at idle if you pinch off the return line out of the IP it will kill the engine as well!
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Hotshot
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Junior User
Joined: Jan 2006
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From: York, PA
if you need to shut down the engine forget using a rag. it can suck it through. i have heard of a truck revving up behind a leaky propane truck. very rare but not unheard of. IIRC any diesel engine that is around gas lines or something like that has a metal flap that can be dropped to shut off the incoming air.