Maximize Efficiency Dive into the World of Black Coolant

The new fluid was orange, but now after just 2k this fluid looks black as well...why the heck does the coolant change color so fast? 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. Black could be aluminum corrosion since most of the system is made of that. Might be it never got properly rinsed out, I'd be doing it again.... I believe the BLACK to be oxidation of the inside of your hoses. This is JUST A GUESS. Flush your system with regular water. NO AGGRESSIVE ... Signs of a head gasket is carbon deposits in the coolant reservoir. Attach a coolant pressure tester and run engine to check coolant pressure. When I went to drain the Evans out of the radiator, it came out black. I thought it was oil at first! I double checked and it wasn't oil, but I can't help but ... Black coolant?... 45 views · 5 months ago #engineoil #cars #engine ...more. Walsall Wood Tyre & Service. 664. Subscribe. Although it's often overlooked, a durable coolant overflow tank is a crucial component of any cooling system. Leaks within the overflow system can result in ... I had that too. You can drain it out of the reservoir and put clean water in but in a few days the black will be back. The cure for me was a new ... Well, it pretty much has to be the usual suspects...gauges reading incorrectly (check with a manual gauge or infrared heat gun) intercoolers/ ...