986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Creamy light brown/tan gunk in coolant tank

JFP in PA · 08-14-2010, 03:10 PM

You have an intermix problem; common causes are a failing oil cooler (common), a popped freeze plug (also common), blown head gasket (less common), or a cracked head (also less common).

You need to stop using the car immedeately. It needs to be checked by someone that knows what they are doing. If it has to be moved to get it to them, flatbed it, DO NOT DRIVE IT.

08-14-2010, 03:10 PM	#6
JFP in PA Registered User Join Date: Feb 2005 Location: It's a kind of magic..... Posts: 6,276	You have an intermix problem; common causes are a failing oil cooler (common), a popped freeze plug (also common), blown head gasket (less common), or a cracked head (also less common). You need to stop using the car immedeately. It needs to be checked by someone that knows what they are doing. If it has to be moved to get it to them, flatbed it, DO NOT DRIVE IT. __________________ “Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein