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| Is the breather tube actually on the DEF tank. There was a few that they were left off and it got dust in. Also, if the tube is on it can still suck dust into the tank and plug the filters. The biggest problem is when you key the combine off it pumps all the def back into the tank and everything that was in the first filter is now back into the tank. One other thing is you have to be very careful when filling the tank and not to get dust in it. | |
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7230- DEF issues
