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Jeffersonville, OH | That is the biggest culprit of emissions issues on our combines...That's why I said we have few DEF issues, it's not a problem of the system that the tank is full of junk that's not DEF. The factory put a screen in the fill neck, and a filter on the tank breather...the fact you can't keep from jamming a dirty nozzle in it for YEARS isn't entirely on someone else. Yes, they could try and shape the tank differently so it doesn't collect trash, but show me an area trash won't lay on a combine...
The other common failure is mice chewing the DEF and coolant lines going to the DEF tank from the engine...yeah, it's a DEF failure, but not caused by an emissions fault.
I will also say, dealers need to properly educated on DEF storage...or whoever is selling you DEF. It does NOT go bad, as much as your supplier want's you to believe. It can be stored for YEARS if done correctly. The only thing that causes DEF to go bad is if the concentration becomes far enough off the standard to cause a problem...and as long as your system doesn't have a quality sensor, then it won't even notice then unless it's so bad it can't spray enough to meet emissions.
Keep it out of sunlight, keep it from freezing, and it will store for years! If you live in Texas or Arizona and have a white tank in the bed of your truck for DEF in the summer time, you're probably going to see some DEF quality issues if you don't use that tank pretty quick!!
Chris | |
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TRUMP on Diesel Engine DEF delete?
