The Ultimate Guide to Black Coolant Maintaining Optimal PC Temperatures

EGR cooler recall done now oil in coolant. I had the cooler recall done 81 mile ago. Now oil shows up in the expansion tank. Not a lot yet and ... The Subaru coolant conditioner is present, because it looks granulated when you look at the coolant in the light. In my bucket, the coolant appears black. The black/dark stuff in your coolant. As you can see, the oem purple coolant migrates towards a dirty pink color as it ages. Black and sticky is combustion by-products from a aged out tired head gasket. Its not WATER PUMP LUBE ARE STOP LEAK! If the coolant is black it could be engine oil in the cooling system...:doh: They still use the stacked plate heat exchanger on the 6.7L. So the ... You need an invitation code to register! To obtain an invitation code, please e-mail [email protected] with a reason why you want to join. I replaced my water pump this weekend due to it seizing up and breaking off all the belts. When I drained out the coolant from the radiator, ... The coolant reservoir tank's clear tube to view volume level is not so clear, so I cannot see the level of the coolant in the tank. Antifreeze & Car Coolants in Oils and Fluids - Black(40) ... New Star Cool Synthetic Engine Coolant starbrite 33264 64 oz. New Star Cool Synthetic Engine Coolant ... BobPell ... Probably debris, minerals and what ever that built up in the system finally released. Also the interior of your hoses may be starting ...