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					Originally Posted by  Homeoboxter
					 
				 
				Have you checked your oil filter? That may tell a bit more about the issue. Keep us posted! 
			
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Unfortunately I changed the oil a week before I found this discussion. I am pretty sure the “rattling” is becoming louder Tho, when starting the car cold. Once it’s started it runs well and subsequent starts are normal. 
I am not clear on the work to replace these 0-rings and the actuator. Is this something a competent shop can do with the engine in the car? Is this a $3k repair or $6k?