The problem has nothing to do with service schedules and it doesn't lead to any expensive repairs or catastrophic problems. All that is required is for the direct drain to be fitted instead of the original drain via the scavanger pump, although it may take some driving to clean out any residual oil in the intake system. The kit costs around $200 plus fitting - it took me about 4 hours.
 
IIRC the direct drain was fitted to MY13 models.
				
			 
			
		 
			
				
			
			
				MY21.5 L405 D350 Vogue SE with 19s.  Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
			
			
		 
	
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