Dropped all of its oil on the road
	
	
		
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				Originally Posted by 
Eric SDV6SE
				 
			100% their fault
I would  be pushing for a full engine replacement as it is unknown  what damage this poor workmanship has caused.  Even running for a short time under load on low or no oil pressure for these close toleranced engines is detrimental.
			
		
	 
 An engine will in this case have either oil pressure or no oil pressure.  As sump level drops the oil pressure doesn’t.
I’d just be making it very clear and subsequent failure will be on them.