Runaway, due to neglect - Ford Powerstroke Diesel Forum
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post #1 of 30 Old 01-12-2020, 10:32 PM Thread Starter
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Runaway, due to neglect

Recently I experienced a runaway. I was driving home when I lost all throttle control, I pulled over and turned the truck off. once I turned it off it begun to rev out of control. It was blowing straight white smoke, then a white and black smoke(or it appeared black it was late in the afternoon). It ran until it blew itself up (I'm guessing I'm not too positive what happened.) I brought the truck home and inspected it the next day. I found that my turbo wheel had a lot of slack. I asked a mechanic I know and he said that the turbo seals went bad and that's what caused it to run away. I don't have too much experience with diesel. If anyone who could give me a better idea of what damage may be done I would appreciate it. I would like to repair it myself.
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post #2 of 30 Old 01-13-2020, 02:33 AM
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so you must have gathered a true runaway is a motor that has an issue and it has replaced the diesel fuel for motor oil from the engine thru the intake as it's fuel source


it will rev as fast as it can pull the oil thru whatever the failure point is

the results can be catastrophic since there is no way the electronics can prevent an over rev


6.0 flush pdf
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post #3 of 30 Old 01-13-2020, 03:18 AM
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I canít comment on the damage, really wouldnít know until someone started troubleshooting it to see...

I wanted to mention, I used to have a 2004. I had a butterfly gate valve on the intake that was operated from the cab. It was an emergency shut down in case of runaway. It was mandatory on a lot of oil and natural gas fields. It was spring loaded, so if you pulled the handle, it shut the intake down and could not be re opened unless you reset the mechanical switch on the valve body. It worked well, and shut it down immediately.

Anyway, just an FYI.

Good luck with it.


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post #4 of 30 Old 01-13-2020, 03:30 AM Thread Starter
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thank you, defiantly gonna do this on my next truck
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post #5 of 30 Old 01-13-2020, 03:32 AM
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a lot of industries now require automatic air shutoff since so many operators leave their trucks running and unattended

a motor melt down and subsequent hot spot could cause a catastrophic chain reaction
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post #6 of 30 Old 01-13-2020, 11:54 AM
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Quote:
Originally Posted by Jeff-F350 View Post
I canít comment on the damage, really wouldnít know until someone started troubleshooting it to see...

I wanted to mention, I used to have a 2004. I had a butterfly gate valve on the intake that was operated from the cab. It was an emergency shut down in case of runaway. It was mandatory on a lot of oil and natural gas fields. It was spring loaded, so if you pulled the handle, it shut the intake down and could not be re opened unless you reset the mechanical switch on the valve body. It worked well, and shut it down immediately.

Anyway, just an FYI.

Good luck with it.
Do you happen to know who makes this kit or where to purchase one? I've never heard of them before, but sounds like good insurance to me.

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post #7 of 30 Old 01-13-2020, 01:07 PM
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Originally Posted by dracula4999 View Post
Do you happen to know who makes this kit or where to purchase one? I've never heard of them before, but sounds like good insurance to me.

Iím sorry, I donít remember.


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post #8 of 30 Old 01-13-2020, 02:10 PM
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You buy one of the older 6.0 elbows with the butterfly throttle and set it up with an old style throttle or choke control cables.


The intake butterfly is how I shut down the Jimmy 2-stroke in my 1956 Allis dozer.


But there are commercial setups, something could be adapted if not already existing.


https://www.carid.com/ic/pacbrake/items/c50145_1.jpg

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post #9 of 30 Old 01-13-2020, 02:39 PM
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Originally Posted by TooManyToys View Post
You buy one of the older 6.0 elbows with the butterfly throttle and set it up with an old style throttle or choke control cables.


The intake butterfly is how I shut down the Jimmy 2-stroke in my 1956 Allis dozer.


But there are commercial setups, something could be adapted if not already existing.


https://www.carid.com/ic/pacbrake/items/c50145_1.jpg
My 1980's ford tractor uses a butterfly to shut it down too. Never thought about adapting it to a truck just incase there is ever a runaway. Something I'll have to look in to one day.

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post #10 of 30 Old 01-13-2020, 03:01 PM
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Hereís a few. Looks similar to what I had, but these look like they are engaged by an actuator. Reading on them though, they say there is a manual option for it as well. Personally, Iíd prefer manual, for a bad day when there is no electric power.


https://www.dieselpowerproducts.com/...werstroke.aspx

https://www.actiontrucks.com/other-p...pe%5B%5D=16601

https://www.bcdiesel.ca/en/bd-positi...ford-2003-2007


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