Cm870 starts then shuts off,starts back up with a puff off white smoke and stays runn
07-18-2021, (Subject: Cm870 starts then shuts off,starts back up with a puff off white smoke and stays runn ) 
Post: #31
RE: Cm870 starts then shuts off,starts back up with a puff off white smoke and stays runn
(07-18-2021 )Waterloo Wrote:  
(07-18-2021 )Redland1 Wrote:  
(07-18-2021 )JimT Wrote:  While this is outside my area of knowledge, I'd say the top of the pickup and fittings to the fuel line are probably a good place to start. Anywhere fuel could leak out is a point where air could get in. It's clear you have some sort of leak in that area so it's a good place to start.

Also, it would be prudent to check the overhead again. There's always a chance that a mistake last time could have caused the problem you currently face.

What would be the easiest way to rotate the tank to pull out the pickup tube if need be?

The overhead was done by a shop since I don’t have experience doing it and honestly I don’t have an idea how good of a job they did.Should I take it to another shop and have it redone? Like Cummins,or the bigger dealerships.

Rawze has a video on running the overhead, you only need a few tools, easily found on Amazon or most auto parts stores. Largest item is a bar/ratchet to turn over the motor with a short 3/4" extension, Harbor Freight most likely carries those or a NAPA store. The feelers, crows foot and torque wrenches are available at again, most auto parts stores. I use the inexpensive Tekton torque wrenches and a small newton meter boom to do the injectors, AutoZone sells that small boom torque wrench, same with the feeler gauges.

That fuel tank, best to have it empty, so hopefully there is not much fuel in it, or you probably not even budge it. Just loosen the tank straps, watch the fuel lines and other connections and rotate. You may have to do some line disconnection, but as long as the tank is empty, it is pretty straight forward.

Do you have a particular feeler gauge you use? I’m looking on Amazon and can’t find one that has the measurements needed?
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Messages In This Thread
RE: Cm870 starts then shuts off,starts back up with a puff off white smoke and stays runn - Redland1 - 07-18-2021
re - JimT - 07-22-2021,



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